Cambodia Siem Reap Weather in July — Climate Guide
July in Siem Reap is moderate
July is moderate for Siem Reap.
July is Siem Reap's monsoon peak — 15 rainy days, 200mm rainfall — but European + Korean summer holidays bring a moderate inbound bump. Daytime highs cool to 33°C / 91°F (lowest of the year), with afternoon thunderstorms 14:00-17:00.
Family travelers from Northern Hemisphere summer-break countries should target pool-equipped resorts (Sofitel Phokeethra with golf + pool, Anantara Angkor with kids' programs). Pre-dawn Angkor + morning temples + pool afternoon + Phare Circus evening is the standard sequence.
Travel score
Monsoon peak + European/Korean summer break — mixed crowds + rain
July Weather at a Glance
July averages 33°C / 91°F highs and 25°C / 77°F lows with 15 rainy days and 200mm rainfall — the monsoon peak. Humidity 80%, UV 10. Sunrise 5:50 AM, sunset 6:30 PM. Daily afternoon thunderstorms 14:00-17:00 standard.
July Travel Advice
Family-friendly resorts mandatory (Sofitel Phokeethra, Anantara Angkor, Park Hyatt). Pre-dawn Angkor + morning sequence. Phare Circus indoor tent stays dry.
Flying In from Overseas
European + Korean summer-break bump — moderate inbound. Direct flights from Bangkok $40-100, Singapore $100-220. Korean travelers typically combine Bangkok + Siem Reap.
July Pricing Trends
Summer-break moderate: Raffles $200-450/night, Park Hyatt $250-500, FCC Angkor $100-200, Onederz Hostel $10-20. Family-friendly Sofitel $200-400.
Siem Reap July Weather Stats
Avg High
33°C
Avg Low
25°C
Rainy Days
15
200mm total
Sunshine
6h
Daily avg
Humidity
80%
high
UV Index
10
Very high
Wind
8 km/h
Gusts 25
Sea Temp
0°C
no swimming
Crowds
Moderate
At attractions
July Sunrise & Sunset
Air Quality
PM2.5
22 μg/m³
PM10
38 μg/m³
Status
moderate
Feels-Like Temperature & Wind
Feels like
Daytime
37°C
Nighttime
27°C
Humidity and wind affect how the actual temperature feels.
Wind
8 km/h
Max gust 25 km/h
Activities Recommended for July
July Travel Pros & Cons
Pros
- Lower highs (33°C) than April-June
- Green Angkor atmosphere
- Tonle Sap boat tours at peak water
Cons
- Monsoon peak (200mm rain)
- Summer-tourist mix at temples
- European + Korean summer rates
July Events & Festivals
- European + Korean summer break
- Monsoon peak
Siem Reap in July — Full Picture
July is Siem Reap's monsoon peak — 15 rainy days, 200mm rainfall — but European + Korean summer holidays bring a moderate inbound bump. Daytime highs cool to 33°C / 91°F (lowest of the year), with afternoon thunderstorms 14:00-17:00.
Family travelers from Northern Hemisphere summer-break countries should target pool-equipped resorts (Sofitel Phokeethra with golf + pool, Anantara Angkor with kids' programs). Pre-dawn Angkor + morning temples + pool afternoon + Phare Circus evening is the standard sequence.
Rates moderate from June's low — Raffles $200-450/night, Park Hyatt $250-500.
What to Wear & What to Pack
Monsoon — quick-dry, rain jacket, waterproof shoes, insect repellent. Cool 33°C / 91°F highs feel manageable.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
35.7°C
24.3°C
6.7/mo
Summer (Jun·Jul·Aug)
Current33.3°C
25°C
15/mo
Autumn (Sep·Oct·Nov)
31.7°C
23.3°C
13.7/mo
Winter (Dec·Jan·Feb)
32°C
21°C
1.3/mo
Siem Reap Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| January (Best) | 32° | 21° | 1d·10mm | 9h | 60% | 10 | Very busy | Peak |
| February (Best) | 33° | 21° | 1d·5mm | 10h | 55% | 10 | Very busy | Peak |
| March (Best) | 35° | 23° | 3d·25mm | 9h | 55% | 11 | Busy | Shoulder |
| 37° | 25° | 4d·50mm | 9h | 60% | 11 | Moderate | Shoulder | |
| 35° | 25° | 13d·175mm | 7h | 75% | 11 | Quiet | Low season | |
| 34° | 25° | 14d·175mm | 6h | 80% | 11 | Moderate | Low season | |
| 33° | 25° | 15d·200mm | 6h | 80% | 10 | Moderate | Shoulder | |
| 33° | 25° | 16d·225mm | 6h | 80% | 10 | Moderate | Shoulder | |
| 32° | 24° | 18d·275mm | 5h | 85% | 10 | Quiet | Low season | |
| 32° | 24° | 16d·230mm | 6h | 80% | 9 | Moderate | Low season | |
| November (Best) | 31° | 22° | 7d·70mm | 7h | 70% | 9 | Busy | Shoulder |
| December (Best) | 31° | 21° | 2d·15mm | 9h | 60% | 9 | Very busy | Peak |
View Other Months
Siem Reap July Hotel Picks
Frequently Asked Questions
Is July a good time to visit Siem Reap?
Siem Reap in July is moderate. Tourist crowds are moderate and flight/hotel prices are shoulder.
What's the average temperature in Siem Reap in July?
Siem Reap July averages a high of 33°C and a low of 25°C.
Does it rain much in Siem Reap in July?
Siem Reap July averages 200mm of rainfall over about 15 rainy days.
What should I wear in Siem Reap in July?
Monsoon — quick-dry, rain jacket, waterproof shoes, insect repellent. Cool 33°C / 91°F highs feel manageable.
What time are sunrise and sunset in Siem Reap in July?
Siem Reap July sunrise is 05:50 and sunset is 18:30, with 12h 40min of daylight.
What's the air quality like in Siem Reap in July?
Siem Reap July air quality (AQI) averages 60, rated Moderate. PM2.5 averages 22μg/m³.
What activities are recommended in Siem Reap in July?
In July, Siem Reap is great for Pre-dawn Angkor, Tonle Sap boat, Khmer cooking class.
Is July peak season in Siem Reap?
Siem Reap July crowds are moderate and prices are shoulder. You can travel relatively comfortably without long queues.
Best Months to Visit Siem Reap
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.