Cambodia Phnom Penh Weather in June — Climate Guide
June in Phnom Penh is moderate
June is moderate for Phnom Penh.
June is the middle of monsoon — rainfall 200mm + 16 rainy days. Days 33°C / 91°F + nights 25°C / 77°F (cooler than April-May). The positive: year's lowest hotel pricing tied with September — boutique hotels $30-70/night, Raffles + Rosewood + Sofitel luxury $200-450. Tourist crowds at year-low. The Phnom Penh International Film Festival (varies) brings a brief cultural uptick. For honeymoon + luxury travelers willing to accept daily afternoon rain, the on-property pool + spa + dining experience at Raffles + Rosewood + Sofitel is essentially the same as November-February at 40-50% of the price. Mornings outdoor + afternoons indoor pattern. Mekong River is muddy + boat cruises have reduced visibility but still operate. Skip June if outdoor photography is the trip's purpose.
Travel score
Mid-monsoon + lush green + year's lowest pricing
June Weather at a Glance
June averages 91°F / 33°C highs and 77°F / 25°C lows with 16 rainy days and 200mm of rain. Humidity 80%. UV 10. Sunshine 6.5 hours. Daily afternoon storms with clearer mornings.
June Travel Advice
Travel insurance with cancellation coverage essential. Mornings outdoor + afternoons indoor pattern. Pack DEET — mosquito peak + dengue risk. Phnom Penh International Film Festival (varies) brings brief cultural uptick. Best for hotel on-property luxury travelers; skip if outdoor activities are the goal.
Flying In from Overseas
Year's lowest tourist arrivals from Western markets. European summer holiday begins late June. Direct connection via Bangkok $350-700.
June Pricing Trends
Year's lowest pricing tied with September: boutique $30-70/night, Raffles $200-450, Rosewood $200-400. Flights from East Asia $350-700.
Phnom Penh June Weather Stats
Avg High
33°C
Avg Low
25°C
Rainy Days
16
200mm total
Sunshine
6.5h
Daily avg
Humidity
80%
very humid
UV Index
10
Very high
Wind
8 km/h
Gusts 24
Sea Temp
29°C
Mekong River muddy + rough
Crowds
Quiet
At attractions
June Sunrise & Sunset
Air Quality
PM2.5
30 μg/m³
PM10
50 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 24 km/h
Activities Recommended for June
June Travel Pros & Cons
Pros
- Year's lowest hotel pricing tied with September
- Tourist crowds at year-low
- Lush green landscapes
Cons
- 16 rainy days, 200mm rainfall
- Mekong cruise visibility limited
- Photography essentially limited to mornings
June Events & Festivals
- Year's monsoon peak begins
- Phnom Penh International Film Festival (varies)
- Year's lowest hotel pricing tied with September
- European summer holiday begins late June
Phnom Penh in June — Full Picture
June is the middle of monsoon — rainfall 200mm + 16 rainy days. Days 33°C / 91°F + nights 25°C / 77°F (cooler than April-May). The positive: year's lowest hotel pricing tied with September — boutique hotels $30-70/night, Raffles + Rosewood + Sofitel luxury $200-450. Tourist crowds at year-low. The Phnom Penh International Film Festival (varies) brings a brief cultural uptick. For honeymoon + luxury travelers willing to accept daily afternoon rain, the on-property pool + spa + dining experience at Raffles + Rosewood + Sofitel is essentially the same as November-February at 40-50% of the price. Mornings outdoor + afternoons indoor pattern. Mekong River is muddy + boat cruises have reduced visibility but still operate. Skip June if outdoor photography is the trip's purpose.
What to Wear & What to Pack
Monsoon middle. Rainfall climbs to 200mm + 16 rainy days. Quick-dry clothes + packable rain shell mandatory. Days 33°C / 91°F + nights 25°C / 77°F. The cooler tail of the wet season.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
35°C
25°C
7.3/mo
Summer (Jun·Jul·Aug)
Current32.3°C
25°C
17.7/mo
Autumn (Sep·Oct·Nov)
31°C
23.7°C
15/mo
Winter (Dec·Jan·Feb)
31.3°C
22°C
1.7/mo
Phnom Penh Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| January (Best) | 31° | 22° | 1d·10mm | 9h | 65% | 9 | Very busy | Peak |
| February (Best) | 33° | 23° | 1d·10mm | 9.5h | 60% | 10 | Very busy | Peak |
| 35° | 24° | 3d·35mm | 9h | 65% | 11 | Busy | Shoulder | |
| 36° | 26° | 6d·75mm | 8.5h | 70% | 12 | Busy | Peak | |
| 34° | 25° | 13d·145mm | 7.5h | 75% | 11 | Moderate | Shoulder | |
| 33° | 25° | 16d·200mm | 6.5h | 80% | 10 | Quiet | Low season | |
| 32° | 25° | 18d·220mm | 6h | 82% | 10 | Moderate | Shoulder | |
| 32° | 25° | 19d·220mm | 6h | 82% | 10 | Moderate | Shoulder | |
| 32° | 25° | 19d·250mm | 6h | 82% | 9 | Quiet | Low season | |
| 31° | 24° | 17d·240mm | 7h | 80% | 9 | Moderate | Low season | |
| November (Best) | 30° | 22° | 9d·100mm | 8h | 70% | 9 | Very busy | Peak |
| December (Best) | 30° | 21° | 3d·25mm | 9h | 65% | 9 | Busy | Peak |
View Other Months
Phnom Penh June Hotel Picks
Frequently Asked Questions
Is June a good time to visit Phnom Penh?
Phnom Penh in June is moderate. Tourist crowds are quiet and flight/hotel prices are low season.
What's the average temperature in Phnom Penh in June?
Phnom Penh June averages a high of 33°C and a low of 25°C.
Does it rain much in Phnom Penh in June?
Phnom Penh June averages 200mm of rainfall over about 16 rainy days.
What should I wear in Phnom Penh in June?
Monsoon middle. Rainfall climbs to 200mm + 16 rainy days. Quick-dry clothes + packable rain shell mandatory. Days 33°C / 91°F + nights 25°C / 77°F. The cooler tail of the wet season.
What time are sunrise and sunset in Phnom Penh in June?
Phnom Penh June sunrise is 05:40 and sunset is 18:30, with 12h 50min of daylight.
What's the air quality like in Phnom Penh in June?
Phnom Penh June air quality (AQI) averages 60, rated Moderate. PM2.5 averages 30μg/m³.
What activities are recommended in Phnom Penh in June?
In June, Phnom Penh is great for Hotel pool + spa days, Cambodian cooking class, National Museum + Aung San / Sihanouk museums.
Is June peak season in Phnom Penh?
Phnom Penh June crowds are quiet and prices are low season. You can travel relatively comfortably without long queues.
Best Months to Visit Phnom Penh
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.