City in Preah Sihanouk, Cambodia
Sihanoukville weather by month and the best time to visit
When to go to Sihanoukville
Nov–Feb is dry with calm seas. Mar–May is hot; Jun–Oct is wet and rough, and many beach businesses and ferries cut services.
Sihanoukville weather by month
Average daily high, rainfall and conditions.
- Jan29°27 mm
- Feb30°24 mm
- Mar31°72 mm
- Apr31°134 mm
- May30°248 mm
- Jun29°380 mm
- Jul29°444 mm
- Aug28°373 mm
- Sep28°426 mm
- Oct29°253 mm
- Nov29°125 mm
- Dec29°48 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 29°C84°F | 24°C76°F | 27 mm | 76% | Pleasant |
| February | 30°C86°F | 25°C77°F | 24 mm | 74% | Pleasant |
| March | 31°C87°F | 26°C79°F | 72 mm | 74% | Pleasant |
| April | 31°C88°F | 27°C81°F | 134 mm | 76% | Hot & humid |
| May | 30°C86°F | 28°C82°F | 248 mm | 82% | Rainy |
| June | 29°C84°F | 27°C81°F | 380 mm | 85% | Very wet |
| July | 29°C83°F | 27°C80°F | 444 mm | 86% | Very wet |
| August | 28°C83°F | 27°C80°F | 373 mm | 86% | Very wet |
| September | 28°C83°F | 26°C80°F | 426 mm | 87% | Very wet |
| October | 29°C83°F | 26°C79°F | 253 mm | 85% | Rainy |
| November | 29°C84°F | 26°C78°F | 125 mm | 83% | Pleasant |
| December | 29°C83°F | 25°C76°F | 48 mm | 79% | Pleasant |
Best months across Cambodia
| Place | Best months | Warmest month |
|---|---|---|
| Siem Reap | Nov–Feb | Mar (36°C) |
| Phnom Penh | Nov–Feb | Mar (37°C) |
| Koh Rong | Nov–Mar | May (30°C) |
| Kampot | Nov–Feb | Mar (33°C) |
| Sihanoukville | Nov–Feb | Apr (31°C) |
| Koh Rong Samloem | Nov–Mar | May (30°C) |
| Battambang | Nov–Feb | Mar (36°C) |
| Kep | Nov–Feb | Mar (33°C) |
Quick answers
What is the best month to visit Sihanoukville?
Nov–Feb. Nov–Feb is dry with calm seas. Mar–May is hot; Jun–Oct is wet and rough, and many beach businesses and ferries cut services.
When is the rainy season in Sihanoukville?
Rain peaks in July with about 444 mm. Months with 150 mm or more: May–Oct.
What is the hottest month in Sihanoukville?
April, with average highs of 31°C (88°F).
How cold does Sihanoukville get?
The coolest nights are in January, averaging 24°C (76°F).
More about Sihanoukville
- Weather & best timeacross Cambodia
- Safetyin Sihanoukville
- Cost of livingin Sihanoukville
- Air qualityin Sihanoukville
- Internet & coworkingin Sihanoukville
- Getting aroundin Sihanoukville
- Tap waterin Sihanoukville
- LGBTQ+ friendlyin Sihanoukville
- Healthcare & insurancein Sihanoukville
- Solo travelin Sihanoukville
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Sources
- NASA POWER climatology (2001–2020)
- Cambodia Ministry of Tourism
- Cambodia Airports
- UK FCDO travel advice: Cambodia
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.