Temperature
Hot by day, warm at night.
Humid air is the main limitation.
Hot by day, warm at night.
It rains on most days. About 25 wet days, more than in most months.
Cloudier spells limit sunshine.
Very hot days with very humid air.
In October, afternoons feel about 95° and nights feel near 86°.
Overcast skies this month.
Calm winds are typical in October.
October late afternoons are around 86°F, easing to about 81°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 90 | 73 | 0.6 | 3 | 10.6 | 65 |
| Feb | 92 | 75 | 0.4 | 2 | 11.1 | 63 |
| Mar | 95 | 78 | 1.3 | 6 | 11.4 | 64 |
| Apr | 96 | 80 | 3.3 | 15 | 11.4 | 69 |
| May | 94 | 80 | 6.2 | 24 | 10.6 | 76 |
| Jun | 93 | 79 | 6.2 | 24 | 9.8 | 78 |
| Jul | 91 | 79 | 6.4 | 26 | 9.3 | 79 |
| Aug | 91 | 79 | 7.0 | 26 | 9.2 | 79 |
| Sep | 90 | 78 | 9.8 | 27 | 8.8 | 83 |
| Oct | 90 | 78 | 9.5 | 25 | 9.2 | 83 |
| Nov | 89 | 76 | 3.8 | 13 | 10.0 | 78 |
| Dec | 88 | 74 | 1.2 | 5 | 10.0 | 70 |
Similar climates
Want a side-by-side climate view? Compare Phnom Penh with Ho Chi Minh City.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology