Phnom Penh in Summer — Weather & What to Expect
Summer in Phnom Penh (June, July, August) averages daytime highs of 32.3°C and lows of 25.5°C, with around 646.7mm of rain across the season (73 rainy days in total). It includes some of the best months of the year to visit (June, July, August).
In the northern hemisphere, summer in Phnom Penh covers June, July, August.
Summer in Phnom Penh month by month
| Month | High | Low | Rain | Rainy days | Rating |
|---|---|---|---|---|---|
| June | 32.9°C | 25.8°C | 167.4mm | 23 | 9/10 |
| July | 31.8°C | 25.3°C | 228.8mm | 26 | 8/10 |
| August | 32.3°C | 25.3°C | 250.5mm | 24 | 8/10 |
What to pack for Phnom Penh in summer
- Lightweight, breathable clothing
- High SPF sunscreen
- Sunglasses
- Sun hat
- Reusable water bottle
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
Frequently Asked Questions
Is summer a good time to visit Phnom Penh?
Summer in Phnom Penh rates around 8/10 — good time to visit. Average highs are 32.3°C with 646.7mm of rain across the season.
How hot is Phnom Penh in summer?
Daytime highs average 32.3°C (90.1°F) across June, July, August, with nights around 25.5°C.
What months are summer in Phnom Penh?
Phnom Penh is in the northern hemisphere, so summer covers June, July, August.
See also: best time to visit Phnom Penh · Phnom Penh annual climate · Phnom Penh in spring · Phnom Penh in autumn · Phnom Penh in winter
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Once you know what summer in Phnom Penh looks like, find out exactly what to pack for Phnom Penh at 247PackingList. For currency, language and country facts, see the Cambodia guide at 247CountryInfo.
Summer in Phnom Penh — what to pack
Lightweight travel clothing
Lightweight, breathable clothing and a compact travel umbrella are essential in this climate.
Check Price →Check clothing sizes in Cambodia at 247Sizing before you shop.
More summer travel essentials
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.