Cambodia Siem Reap Weather in June — Climate Guide
June in Siem Reap is moderate
June is moderate for Siem Reap.
June continues the monsoon pattern — 14 rainy days, 175mm rainfall, but daytime highs drop to 34°C / 93°F. Mornings stay clear; afternoon thunderstorms 14:00-17:00. 'Green Angkor' atmosphere — moss-covered ruins + lush jungle backdrop is the photographer's pick.
Tonle Sap is at peak water levels — Kampong Phluk + Kompong Khleang stilted villages are fully afloat, perfect for boat tours. Beng Mealea + Koh Ker outer temples are atmospheric in the rain but check road conditions.
Travel score
Green Angkor monsoon — annual low pricing + atmospheric ruins
June Weather at a Glance
June averages 34°C / 93°F highs and 25°C / 77°F lows with 14 rainy days and 175mm rainfall. Humidity 80%, UV 11. Sunrise 5:45 AM, sunset 6:25 PM. Mornings clear, afternoon thunderstorms 14:00-17:00. Green moss covers temple stones for the canonical 'green Angkor' look.
June Travel Advice
Outer temples (Beng Mealea, Koh Ker) check road conditions with driver. Tonle Sap boat tours run reliably at peak water. Hotel pool afternoons fine with rain breaks. Phare Circus tent stays dry.
Flying In from Overseas
Monsoon-low — Western travelers minimal. Korean June break partial overlap. Direct flights from Bangkok $30-80, Singapore $80-180.
June Pricing Trends
Annual low pricing: Raffles $180-380/night, Park Hyatt $180-380, FCC Angkor $80-160, Onederz Hostel $8-18. Tuk-tuk $15-20/day. Phare Circus $18-38 fixed.
Siem Reap June Weather Stats
Avg High
34°C
Avg Low
25°C
Rainy Days
14
175mm total
Sunshine
6h
Daily avg
Humidity
80%
high
UV Index
11
Extreme
Wind
8 km/h
Gusts 25
Sea Temp
0°C
no swimming
Crowds
Moderate
At attractions
June Sunrise & Sunset
Air Quality
PM2.5
22 μg/m³
PM10
38 μg/m³
Status
moderate
Feels-Like Temperature & Wind
Feels like
Daytime
38°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 June
June Travel Pros & Cons
Pros
- 50-60% off peak pricing
- 'Green Angkor' atmosphere + atmospheric ruins
- Tonle Sap at peak boat season
Cons
- Daily afternoon thunderstorms
- Slippery temple stones (closed shoes mandatory)
- Outer-temple roads can flood
June Events & Festivals
- Monsoon continues
- Royal Plowing Ceremony (late May/early June)
- Korean June break
Siem Reap in June — Full Picture
June continues the monsoon pattern — 14 rainy days, 175mm rainfall, but daytime highs drop to 34°C / 93°F. Mornings stay clear; afternoon thunderstorms 14:00-17:00. 'Green Angkor' atmosphere — moss-covered ruins + lush jungle backdrop is the photographer's pick.
Tonle Sap is at peak water levels — Kampong Phluk + Kompong Khleang stilted villages are fully afloat, perfect for boat tours. Beng Mealea + Koh Ker outer temples are atmospheric in the rain but check road conditions.
Hotel rates hit annual lows — 50-60% off peak. Suitable for budget travelers, photographers, and cultural enthusiasts seeking quiet temples.
What to Wear & What to Pack
Monsoon — quick-dry shirts, light rain jacket, waterproof shoes, insect repellent, modest temple cover-up. Phare Circus tent stays dry.
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 June Hotel Picks
Frequently Asked Questions
Is June a good time to visit Siem Reap?
Siem Reap in June is moderate. Tourist crowds are moderate and flight/hotel prices are low season.
What's the average temperature in Siem Reap in June?
Siem Reap June averages a high of 34°C and a low of 25°C.
Does it rain much in Siem Reap in June?
Siem Reap June averages 175mm of rainfall over about 14 rainy days.
What should I wear in Siem Reap in June?
Monsoon — quick-dry shirts, light rain jacket, waterproof shoes, insect repellent, modest temple cover-up. Phare Circus tent stays dry.
What time are sunrise and sunset in Siem Reap in June?
Siem Reap June sunrise is 05:45 and sunset is 18:25, with 12h 40min of daylight.
What's the air quality like in Siem Reap in June?
Siem Reap June air quality (AQI) averages 60, rated Moderate. PM2.5 averages 22μg/m³.
What activities are recommended in Siem Reap in June?
In June, Siem Reap is great for Green Angkor morning, Tonle Sap boat (peak water), Khmer cooking class.
Is June peak season in Siem Reap?
Siem Reap June crowds are moderate and prices are low season. 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.