Temperature
Hot by day, warm at night.
Not the best time: Humid air is the main limitation.
Hot by day, warm at night.
It rains on most days, with a mix of brief and longer spells. About 29 wet days, more than in most months.
Cloudier spells limit sunshine.
Very humid air is a major factor this month.
In May, afternoons feel about 94° and nights feel near 88°.
Overcast skies this month.
Calm winds are typical in May.
May late afternoons are around 84°F, easing to about 81°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 87 | 73 | 1.9 | 8 | 10.6 | 77 | 81 |
| Feb | 88 | 74 | 2.0 | 10 | 10.9 | 78 | 82 |
| Mar | 89 | 76 | 4.7 | 17 | 11.1 | 79 | 83 |
| Apr | 89 | 78 | 7.8 | 23 | 11.2 | 82 | 86 |
| May | 87 | 78 | 13.8 | 29 | 9.7 | 86 | 87 |
| Jun | 85 | 77 | 16.6 | 28 | 8.6 | 88 | 86 |
| Jul | 84 | 76 | 20.1 | 30 | 8.3 | 89 | 85 |
| Aug | 84 | 76 | 18.8 | 30 | 8.2 | 89 | 85 |
| Sep | 84 | 76 | 19.2 | 29 | 7.9 | 90 | 85 |
| Oct | 85 | 76 | 15.9 | 28 | 8.7 | 88 | 85 |
| Nov | 87 | 75 | 6.5 | 18 | 10.2 | 83 | 84 |
| Dec | 87 | 73 | 2.3 | 10 | 10.3 | 77 | 82 |
Similar climates
Want a side-by-side climate view? Compare Sihanoukville with Bali.
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