Sihanoukville Climate by Month
Sihanoukville, Preah Sihanouk, Cambodia
Hot all year, with a rainy season from May to September.
Sihanoukville is hot all year, with a rainy season from May to September. Expect highs of 94°F (34°C) in April and 87°F (30°C) in August, with the coldest nights (January) near 73°F (23°C). It gets 121 in (3073 mm) of rain a year, 78% of it from May to September. The air is humid, averaging 78% relative humidity.
- Warmest month
- 94°F(34°C)
- Average high, April
- Coldest nights
- 73°F(23°C)
- Average low, January
- Rain per year
- 121 in(3073 mm)
- Wettest: July
- Humidity
- 78%
- Sunniest: April
Best and worst months in Sihanoukville
Best for weatherThe most comfortable weather comes from December to February, with highs around 90°F (32°C) and about 1.0 in (24 mm) of rain a month.
Least pleasantJuly is the least pleasant month: it's the wettest, with 25 in (623 mm) of rain.
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in January.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Sihanoukville weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuaryBest | 90°F(32°C) | 73°F(23°C) | 0.7 in(17 mm) | 71% | 4.8 |
| FebFebruaryBest | 91°F(33°C) | 74°F(23°C) | 1.0 in(26 mm) | 72% | 5.3 |
| MarMarch | 92°F(33°C) | 76°F(24°C) | 4.4 in(111 mm) | 73% | 5.5 |
| AprApril | 94°F(34°C) | 78°F(25°C) | 4.9 in(125 mm) | 74% | 5.5 |
| MayMay | 91°F(33°C) | 77°F(25°C) | 14 in(357 mm) | 80% | 5.0 |
| JunJune | 88°F(31°C) | 76°F(25°C) | 17 in(434 mm) | 85% | 4.9 |
| JulJuly | 88°F(31°C) | 76°F(25°C) | 25 in(623 mm) | 85% | 4.4 |
| AugAugust | 87°F(30°C) | 76°F(24°C) | 19 in(493 mm) | 85% | 4.6 |
| SepSeptember | 87°F(31°C) | 76°F(24°C) | 19 in(494 mm) | 84% | 4.5 |
| OctOctober | 89°F(31°C) | 76°F(24°C) | 11 in(282 mm) | 83% | 4.7 |
| NovNovember | 89°F(32°C) | 75°F(24°C) | 3.2 in(81 mm) | 75% | 4.7 |
| DecDecemberBest | 90°F(32°C) | 74°F(23°C) | 1.2 in(30 mm) | 70% | 4.5 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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