2026 Climate Averages

Weather: Siem Reap — April

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

👍 Climate Overview

April is a good time to visit Siem Reap. Hot conditions with temperatures reaching 35°C—stay hydrated and seek shade. Being off-peak, you'll find better deals and fewer crowds.

7.8
GoTripzi Score Great

Based on weather comfort, crowds, prices, and activity options

Avg High

35°C

Avg Low

27°C

Rainy days

9days

Daylight

12.4h

Feels like 41°C / 32°C — humidity makes it feel warmer

Rainfall

74mm

Sunshine

11h/day

Humidity

70%

Muggy
Sun Strength

9

Very High
Wind

13 km/h (gusts 25)

Is April a good time to visit Siem Reap?

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

Now

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Feels like --
Wind --
Humidity --
UV Index --
Local time —

Air Quality

Travel Context

  • Crowds
    Moderate
  • Travel Costs Shoulder Rates

Daylight

Sunrise

05:53

Sunset

18:18

12.4h daylight

Visiting Siem Reap in April: Pros & Cons

Pros

  • Abundant sunshine for beach and outdoor fun
  • Fewer crowds and better hotel deals

Cons

  • Very high UV — sunscreen and shade essential

Things to Do in April

Events & Festivals

🎊
Khmer New Year (Angkor Sankranta)
April 13–16 Holiday

Recommended for This Weather

🌅 Early morning sightseeing (before the heat)
🍜 Food tours & culinary experiences
🎭 Cultural tours & local experiences

Siem Reap Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 31°C 22°C 1d (15mm) 10.2h
70% Muggy
7.6 Very High
Excellent
Feb 32°C 24°C 3d (21mm) 10.6h
68% Muggy
8.4 Very High
Excellent
Mar 34°C 26°C 6d (32mm) 11h
69% Muggy
8.9 Very High
Excellent
Apr Current 35°C 27°C 9d (74mm) 11h
70% Muggy
9 Very High
Good
May 34°C 27°C 18d (136mm) 10.5h
75% Muggy
8.1 Very High
Wet
Jun 34°C 27°C 21d (119mm) 9.9h
76% Muggy
7.8 Very High
Wet
Jul 32°C 27°C 26d (189mm) 8.6h
80% Very Muggy
6.9 High
Wet
Aug 33°C 27°C 23d (154mm) 9.5h
79% Muggy
7.5 Very High
Wet
Sep 31°C 26°C 28d (275mm) 7.5h
84% Very Muggy
6 High
Wet
Oct 31°C 25°C 24d (271mm) 8h
83% Very Muggy
6.1 High
Wet
Nov 31°C 24°C 14d (105mm) 9.4h
79% Muggy
6.6 High
Excellent
Dec 30°C 23°C 4d (20mm) 9.8h
73% Muggy
6.8 High
Excellent

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4.7

Where to Stay

See hotels, apartments & rentals around Siem Reap – live prices from Booking.com, Expedia, Vrbo and more

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Siem Reap

Gateway to Angkor's jungle-wrapped temples and sunrise silhouettes over ancient towers. Discover Angkor Wat sunrise.

View Full Destination Guide

What to Pack for April

Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool. Pack a compact umbrella or light rain jacket for occasional showers. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.

Tropical Moderate

🎒Personalized Packing List

Tell us about your trip and we'll create a custom packing list based on the weather.

Your Packing List

📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to Siem Reap?

💰 Off-peak — great deals available now

Frequently Asked Questions

Is April a good time to visit Siem Reap?
April is typically good for visiting Siem Reap, with average highs of 35°C and around 9 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in Siem Reap in April?
Nights stay pleasantly warm in Siem Reap during April, around 27°C. Light evening wear is sufficient, and outdoor dining is very comfortable. Many locals and visitors enjoy late-night walks and outdoor activities after sunset.
What should I pack for Siem Reap in April?
With highs of 35°C and lows of 27°C in April, we recommend: Compact umbrella, Lightweight breathable clothes, Sunscreen SPF 30+, Sun hat. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in Siem Reap in April?
Siem Reap typically sees around 9 rainy days in April. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
Is April too hot to visit Siem Reap?
April in Siem Reap can be very hot with temperatures reaching 35°C. Plan outdoor activities for early morning or evening, stay hydrated, and seek air-conditioned spaces during midday. Many locals take afternoon siestas—consider doing the same.
How many hours of daylight are there in Siem Reap in April?
In April, Siem Reap gets approximately 12.4 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is April peak season in Siem Reap?
No, April is not peak season in Siem Reap. Expect better value on accommodation, shorter queues at attractions, and fewer tourists at popular spots. This is an excellent time to experience the city like a local and enjoy a more authentic atmosphere.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Asia/Phnom_Penh)

Last Updated: February 2026

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