Phnom Penh weather in July
July in Phnom Penh: sweltering, soaked, with clean air — a fair time to visit.
#10 of 12 months in Phnom Penh · #513 of 604 destinations to visit in July · comfort 56/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Phnom Penh climate normals — July
| Daytime high | 32°C / 89°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 78°F | |
| Feels like (high) | 37°C / 99°F | |
| Rainfall | 186 mm / 7.3 in | ⛈ soaked |
| Rainy days | 26 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 24°C / 76°F | |
| Sunshine | 9.2 h/day | |
| Daylight | 12.7 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 40 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Phnom Penh in July — FAQ
- Is July a good time to visit Phnom Penh?
- July in Phnom Penh: sweltering, soaked, with clean air — a fair time to visit. It ranks #10 of 12 months for Phnom Penh on SeasonMap's comfort score (56/100).
- What is the weather like in Phnom Penh in July?
- In July, Phnom Penh averages a daily high of 31.8°C and a low of 25.3°C, with about 186.3 mm of rain over roughly 26.4 rainy days.
- What is the air quality in Phnom Penh in July?
- Phnom Penh has a mean US Air Quality Index of about 40 in July.