Weather Comparison Vietnam Cambodia Thailand: A Comprehensive Travel Guide for International Travelers

Written by Tony Bùi, with over 20 years of experience in the travel industry, personally guiding and organizing tours for over 100,000 travellers across Southeast Asia. This guide draws from firsthand insights, guest feedback from Legend Travel Group surveys.

=> Endless Beauty of Vietnam, Cambodia and Thailand - 19 Days

=> Discovering Southeast Asia Cultural Riches and Seaside Charms 19-Day

=> Indochina Delight with Thai Beach Escape 16-Day

Travelers, please note: Weather in Vietnam, Cambodia, and Thailand varies by region and season. Tropical monsoons dominate, with dry (November–April) and wet (May–October) periods. Always check forecasts via reliable apps for your specific itinerary. Legend Travel Group offers customizable tours with weather-adapted plans—deposit just 10% and secure flexible payments up to 30 days before departure for total peace of mind.

A Practical, Cultural, and Sustainable Travel Essential

Vietnam, Cambodia, and Thailand, the heart of Indochina, offer unparalleled cultural landmarks—from Vietnam’s Ha Long Bay and Hoi An’s ancient town, Cambodia’s Angkor Wat in Siem Reap, to Thailand’s Grand Palace in Bangkok and Phuket’s beaches tourismcambodia.com. Comparing weather helps travelers plan multi-country itineraries, whether joining guided Vietnam Tours or exploring independently. These nations share a tropical climate with dry seasons (November–April, 20–32°C) ideal for outdoor adventures and wet seasons (May–October, 24–33°C) suiting indoor cultural visits. This guide provides seasonal comparisons, packing tips, cultural etiquette, and eco-friendly Thailand Travel options, drawing from Legend Travel Group’s expertise.

With Legend Travel Group, book Cambodia Tours across borders—deposit only 10% and enjoy easy payments up to 30 days before departure, keeping your mind at peace for unforgettable Vietnam Travel experiences.

Administrative Note

Entry to Vietnam, Cambodia, and Thailand requires visas for most nationalities (exemptions for Swiss, UK, etc., up to 45 days). Cultural site entries like Angkor Wat ($37–$72), Ha Long Bay cruise ($50–$150), or Grand Palace (500 THB) vary. Guided tours range from $15–$80 (60,000–320,000 KHR/500–2,800 THB). Temporary residence registration is required in each country. Verify requirements via official sources or Legend Travel Group for seamless Cambodia Travel.

Seasonal Breakdown

• Cool/Dry Season (November–February):

  • Temperature: Vietnam: 20–28°C (Hanoi), 24–30°C (Ho Chi Minh City); Cambodia: 20–30°C (Siem Reap); Thailand: 24–32°C (Bangkok), 24–30°C (Phuket) weatherspark.com.

  • Conditions: Mostly sunny with low humidity (50–70%); ideal for multi-country Vietnam Tours like Hanoi to Siem Reap to Bangkok. Vietnam’s north is cooler; Cambodia and Thailand’s south milder weather2travel.com.

  • Precipitation: Low, 0–10 mm/day; rare showers in November (2–5 rainy days/month across all) accuweather.com.

  • UV Index: High (7–10); use sunscreen ($3 or 75,000 VND/12,000 KHR/100 THB).

  • Best For: Outdoor Cambodia Travel to Angkor Wat or Thailand Travel to Chiang Mai temples.

• Hot/Dry Season (March–May):

  • Temperature: Vietnam: 25–35°C (Hanoi), 28–35°C (Ho Chi Minh City); Cambodia: 25–35°C (Siem Reap); Thailand: 28–35°C (Bangkok), 28–33°C (Phuket) weatherspark.com.

  • Conditions: Hot and dry with high humidity (70–85%); suitable for early morning Thailand Tours to Phuket beaches or Hanoi’s Hoan Kiem Lake. Afternoon heat intense in all three weather2travel.com.

  • Precipitation: Minimal, 0–5 mm/day; occasional showers in May (5–8 rainy days/month) accuweather.com.

  • UV Index: Very high (10–12); sun protection essential.

  • Best For: Short Vietnam Travel visits to Hoi An or Siem Reap’s markets.

• Wet Season (June–October):

  • Temperature: Vietnam: 24–32°C (Hanoi), 26–32°C (Ho Chi Minh City); Cambodia: 24–32°C (Siem Reap); Thailand: 25–32°C (Bangkok), 25–31°C (Phuket) weatherspark.com.

  • Conditions: High humidity (80–90%), frequent rain (15–25 rainy days/month), and thunderstorms; suitable for indoor Cambodia Tours to Phnom Penh museums or Hanoi’s water puppet shows weather2travel.com.

  • Precipitation: Moderate to heavy, 0.3–20 mm/day; peaks in September (up to 300 mm/month in all three) accuweather.com.

  • UV Index: Moderate to high (3–7); rain gear essential.

  • Best For: Budget Thailand Travel with fewer crowds in Chiang Mai.

Weather Impacts

• Multi-Country Itineraries: Cool season perfect for Vietnam Tours to Cambodia Travel to Thailand Tours; wet season suits indoor cultural sites tourismcambodia.com.

• Festivals: Khmer New Year (April, Cambodia) and Songkran (April, Thailand) enjoy hot, dry weather; Tet (February, Vietnam) mild; wet season festivals like Pchum Ben (September, Cambodia) require rain gear vietnam.travel.

• Health: Wet season increases mosquito activity; use repellent ($3 or 75,000 VND/12,000 KHR/100 THB) to avoid dengue travel.state.gov. Hot season heat requires hydration.

• Tip: Check daily forecasts 1–2 weeks before travel; pack for regional variations (e.g., cooler Hanoi vs. warmer Ho Chi Minh City).

Respecting Southeast Asia’s Cultural Heritage

Cultural etiquette ensures a respectful experience during Vietnam Tours, Cambodia Tours, and Thailand Tours, especially when adapting to weather. Here’s your guide:

• Greetings: Vietnam: “Xin chào” with a nod; Cambodia: “Sua sdei” with sampeah; Thailand: “Sawasdee” with wai; use both hands for transactions culturetrip.com.

• Dress: Modest clothing covering shoulders and knees for temples (e.g., Angkor Wat, Wat Phnom, Grand Palace); scarf ($3 or 75,000 VND/12,000 KHR/100 THB) essential culturetrip.com. Quick-dry for wet season.

• Behaviour: Quiet in sacred spaces; avoid touching statues; ask permission for photos; carry valuables discreetly. A guest shared: “Respecting customs made our multi-country trip serene.”

• Customs: Donations appreciated ($0.30–$1 or 10–30 THB); tipping guides ($0.50–$2 or 20,000–80,000 KHR/20–80 THB); avoid littering culturetrip.com.

• Tip: Say “Cảm ơn/arkun/khob khun” (thank you); use reusable water bottles ($4 or 100,000 VND/16,000 KHR/120 THB) for sustainable Thailand Travel. Tony Bùi notes: “In 20 years guiding, I’ve seen respectful travelers thrive in Indochina’s weather-diverse cultures.”

General Tips:

• Language: Phrase card ($2 or 50,000 VND/8,000 KHR/60 THB) for basics; English common in tourist areas.

• Respect: Follow site rules; avoid drugs (severe penalties).

• Navigation: Maps.me for borders/cities; carry printed e-visa.

• Eco-Tip: Bicycles/tuk-tuks for low emissions; reusable items.

Below is a curated list of tour options tailored to weather in Vietnam, Cambodia, and Thailand, based on Legend Travel Group data. Confirm schedules and prices before booking.

1. Self-Guided Weather-Adapted Exploration

• Details: Explore Hanoi’s Old Quarter (Vietnam), Siem Reap’s Old Market (Cambodia), and Bangkok’s Chatuchak (Thailand) independently; adapt to dry (outdoor markets) or wet (indoor visits) seasons; low difficulty.

• Weather Tips: Early mornings in hot season; rain gear for wet; carry sunscreen.

• Schedule: Daily; markets open 8:00 AM–10:00 PM.

• Cost: Entry: free; transport (bicycle: $1–$3 or 25,000–75,000 VND/8,000–20,000 KHR/30–100 THB/day); purchases: $0.50–$20 (20,000–800,000 VND/2,000–80,000 KHR/20–800 THB).

• Location: Hanoi, Siem Reap, Bangkok.

• Eco-Friendly Note: Bicycles/walking reduce emissions.

• Tip: Check evisa.gov.vn for visas; a guest noted: “Self-guided was seamless across borders.”

2. Legend Travel Group (Group Multi-Country Cultural Tour)

• Details: 1-day group tour visiting Hanoi’s Temple of Literature (Vietnam), Siem Reap’s Wat Preah Prom Rath (Cambodia), and Bangkok’s Wat Phra Kaew (Thailand); includes guide, transport, lunch; low difficulty.

• Weather Tips: Early starts in hot season; indoor focus in wet.

• Schedule: Daily; departs 7:00 AM; returns by 5:00 PM.

• Cost: $40–$60/person (1,000,000–1,500,000 VND/160,000–240,000 KHR/1,400–2,100 THB, includes entries).

• Pick-up/Drop-off: Hotels in Hanoi/Siem Reap/Bangkok.

• Eco-Friendly Note: Fuel-efficient vans; community support.

• Tip: Book via legendtravelgroup.com; deposit 10%—peace of mind!

3. Local Indochina (Combo Weather-Adapted Cultural Tour)

• Details: 1-day guided tour to Hoi An (Vietnam), Angkor Wat (Cambodia), and Phuket (Thailand); includes guide, transport, lunch, entries; low to moderate difficulty.

• Weather Tips: Cool season for outdoor; wet for early visits.

• Schedule: Daily; departs 6:30 AM; returns by 4:00 PM.

• Cost: $50–$70/person (1,250,000–1,750,000 VND/200,000–280,000 KHR/1,750–2,450 THB, includes entries).

• Pick-up/Drop-off: Hotels in Hoi An/Siem Reap/Phuket.

• Eco-Friendly Note: Small groups; ethical tourism.

• Tip: Book via localvietnam.com; flexible payments up to 30 days before.

4. Multi-Day Weather-Adapted Cultural Tour (Legend Travel Group)

• Details: 2–3 day tour across Hanoi (Vietnam), Siem Reap (Cambodia), and Bangkok (Thailand); includes guide, transport, accommodation, meals, entries; moderate difficulty.

• Weather Tips: Dry season focus; wet season indoor emphasis.

• Schedule: Daily; departs from Hanoi; returns after 2–3 days.

• Cost: $150–$300/person (3,750,000–7,500,000 VND/600,000–1,200,000 KHR/5,250–10,500 THB, includes entries).

• Pick-up/Drop-off: Hotels in Hanoi.

• Eco-Friendly Note: Eco-lodges; fuel-efficient transport.

• Tip: Book Vietnam Tours via legendtravelgroup.com; deposit 10%—easy peace of mind!

• Self-Guided: Flexible for visa-exempt Swiss travelers.

• Group Tours: Affordable, guided for cultural depth.

• Combo Tours: Blend countries for comprehensive experiences.

• Multi-Day Tours: In-depth with weather-smart plans.

• Eco-Friendly: Fuel-efficient, community-supporting.

Key opportunities:

• Tet (Vietnam): Late January–February, mild (18–28°C).

• Khmer New Year (Cambodia): April, warm (25–35°C).

• Songkran (Thailand): April, hot (28–35°C).

• Year-Round: Dry season (November–April) best; wet for budgets.

Cool/dry season ideal for multi-country Thailand Travel. Hot/dry for early visits. Wet for indoor Cambodia Tours. Morning activities avoid heat. Verify via accuweather.com.

• Visa: Use exemptions (Swiss: 60 days Thailand); e-visas for longer stays thaievisa.go.th.

• Weather Tips: Early mornings in hot season; rain gear for wet; sunscreen for dry.

• Documentation: Passport (6+ months valid); printed e-visa; onward proof.

• Eco-Tip: Reusable bottles; bicycles for low impact.

• Tip: Book Legend Travel Group for weather-adapted Vietnam Tours—deposit 10%, flexible up to 30 days before.

Pack for Vietnam, Cambodia, Thailand:

• Documents: Passport, e-visa ($25–$50 or 625,000–1,250,000 VND), wallet ($5 or 150 THB/20,000 KHR).

• Clothing: Modest, quick-dry; scarf ($3 or 100 THB/12,000 KHR); raincoat ($5 or 150 THB/20,000 KHR); walking shoes ($15 or 450 THB/60,000 KHR); hat ($5 or 150 THB/20,000 KHR).

• Essentials: Reusable bottle ($4 or 120 THB/16,000 KHR); snacks ($0.50–$2 or 15–60 THB/2,000–8,000 KHR); backpack ($5 or 150 THB/20,000 KHR); sunscreen ($3 or 100 THB/12,000 KHR); repellent ($3 or 100 THB/12,000 KHR).

• Tech: Phone/charger ($10–$15 or 300–450 THB/40,000–60,000 KHR); SIM ($3–$5 or 100–150 THB/12,000–20,000 KHR); camera ($50 or 1,500 THB/200,000 KHR).

• Eco Items: Tote ($3 or 100 THB/12,000 KHR); phrase card ($2 or 60 THB/8,000 KHR).

• Extras: VND/KHR/THB notes; first aid kit ($5 or 150 THB/20,000 KHR); umbrella ($5 or 150 THB/20,000 KHR); money belt ($5 or 150 THB/20,000 KHR). Tip: Light packing; reusables for sustainability.

Costs for Weather-Adapted Multi-Country Travel

Visa and Entry Costs

• Exemptions: No cost (60 days Thailand for Swiss).

• E-Visas: $25–$50 (625,000–1,250,000 VND/100,000–200,000 KHR/900–1,800 THB). Tour Costs

• Self-Guided: Entry: $1–$7 (25,000–175,000 VND/4,000–28,000 KHR/30–250 THB); transport: $1–$5 (25,000–125,000 VND/4,000–20,000 KHR/30–150 THB/day).

• Group Tours: $25–$40 (625,000–1,000,000 VND/100,000–160,000 KHR/850–1,400 THB).

• Combo Tours: $30–$50 (750,000–1,250,000 VND/120,000–200,000 KHR/1,000–1,750 THB).

• Multi-Day Tours: $80–$200 (2,000,000–5,000,000 VND/320,000–800,000 KHR/2,800–7,000 THB). Safety-Related Costs

• Money Belt: $5 (125,000 VND/20,000 KHR/150 THB).

• SIM: $3–$5 (75,000–125,000 VND/12,000–20,000 KHR/100–150 THB). Other Costs

• Snacks: $0.30–$1 (7,500–25,000 VND/1,200–4,000 KHR/10–30 THB).

• Souvenirs: $1–$20 (25,000–500,000 VND/4,000–80,000 KHR/30–700 THB). Total Daily Cost

• Budget: $15–$40 (self-guided, snacks, transport).

• Mid-range: $40–$70 (group tour, purchases).

• Luxury: $70–$120 (private tour, souvenirs). Tip: Budget $15–$120; use exemptions to save; Legend Travel Group offers flexible payments—10% deposit, balance 30 days before.

• Weather Tips: Check forecasts; early mornings in hot season; rain gear for wet; sunscreen for dry.

• Etiquette: “Xin chào/sua sdei/sawasdee”; modest dress; respect customs.

• Access: Self-guided for flexibility, group tours for insights.

• Schedules: Sites open 8:00 AM–5:00 PM; book early for festivals.

• Sustainability: Bicycles/tuk-tuks; reusables; fair purchases.

• Navigation: Maps.me for borders/cities.

• Safety: Money belt; emergency numbers (Vietnam: 113, Cambodia: 117, Thailand: 191).

• Tip: Book Legend Travel Group for weather-adapted Thailand Tours—peace of mind with 10% deposit.

• Which has the best dry season? Thailand (November–April, 24–32°C) for beaches; Vietnam (November–April, 20–30°C) for north; Cambodia (November–April, 20–30°C) for temples weatherspark.com.

• What’s the wettest month? September across all, with 300 mm rain; plan indoor Cambodia Travel weather2travel.com.

• How does heat affect travel? March–May (25–35°C) suits early Vietnam Tours; stay hydrated accuweather.com.

• Best for multi-country? November–February for mild weather tourismcambodia.com.

• Eco-friendly tips? Bicycles in Hanoi, tuk-tuks in Siem Reap, songthaews in Bangkok vietnam.travel.

• Packing for wet season? Raincoat, repellent, quick-dry clothes culturetrip.com.

Enhance your weather-adapted journey with eco-conscious tours from Legend Travel Group:

• Indochina Cultural Eco-Tour ($40–$80/person, 1 day): Multi-country temple/market tour with sustainable practices.

• Indochina Heritage Trail ($150–$250/person, 2 days): Explore Hanoi, Siem Reap, Bangkok with low-emission transport.

• Indochina Explorer ($250–$400/person, 3 days): Multi-site adventure with eco-lodges and community activities. Prices include guides, transport, entries; group discounts available. Explore at legendtravelgroup.com or contact sales@legendtravelgroup.com / WhatsApp (+84825862222) for Thailand Travel—deposit 10%, flexible up to 30 days before for peace of mind.

Comparing Weather in Vietnam Cambodia Thailand with cultural etiquette—modest attire, polite greetings, and weather-smart planning—unlocks a vibrant, multi-country journey. With tour costs from $15–$400, sustainable Cambodia Tours via Legend Travel Group, and attractions like Ha Long Bay and Angkor Wat, this trip offers adventure and sustainability. Whether self-guided or guided, book Vietnam Tours today—deposit 10%, payments up to 30 days before for peace of mind. Safe travels!

Sources:

• tourismcambodia.com

• culturetrip.com

• vietnam.travel

• tourismthailand.org

• weatherspark.com