Sihanoukville Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sihanoukville.
Climate overview of Sihanoukville
With consistently stable weather, Sihanoukville, Preah Sihanouk Province, Cambodia, sees little seasonal temperature change. Daytime highs average 30°C (86°F), ranging from 31°C (88°F) in April to 29°C (84°F) in January.
Rainfall is high, totalling around 3382 mm (133 in) per year. July is the wettest month and February the driest. The city also experiences distinct dry (January to February) and wet (May to October) seasons. January is the sunniest month, averaging 9.0 hours of sunshine per day.
Sihanoukville Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sihanoukville — and find the best time to visit.
Monthly Temperature in Sihanoukville
The climate in Sihanoukville remains fairly constant, offering very warm temperatures throughout the year. Average maximum daytime temperatures range from a very warm 31°C (88°F) in April, the warmest time of the year, to a comfortable 29°C (84°F) during cooler months like January.
At night, you can expect temperatures ranging from 27°C (81°F) in April to around 25°C (77°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Sihanoukville
Sihanoukville is known for its substantial rainfall, with annual precipitation reaching 3382 mm (133 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, July it receives heavy rainfall, averaging 583 mm (23 in) of precipitation, recorded across 20 rainy days. In contrast, the driest month February brings less rainfall, with 38 mm (1.5 in) over 5 rainy days. For more details, please visit our Sihanoukville Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Sihanoukville
Seasonal changes in sunshine hours are quite dramatic in Sihanoukville. While January receives considerable daily sunshine with up to 9.0 hours, September marks the darkest time of the year, where sunshine is scarce with only 4.9 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Sihanoukville
Make your experience more enjoyable by planning to be outside during the cooler parts of the day, either early morning or as the sun begins to set. Visitors should note that May, June, July, August, September and October are part of the rainy season, bringing substantial rainfall. Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
Frequently asked questions about the climate in Sihanoukville
What is the best time to visit Sihanoukville?
January, February, March and December typically offer the most optimal weather in Sihanoukville. In contrast, May, June, July, August, September and October tend to have less optimal conditions. Sihanoukville has distinct dry (January to February) and wet (May to October) seasons.
What temperatures can I expect in Sihanoukville?
Daytime highs range from 29°C (84°F) in January to 31°C (88°F) in April. Nighttime lows range from 25°C (77°F) to 27°C (81°F). Temperatures stay relatively stable year-round.
How much rain does Sihanoukville get?
Annual rainfall is around 3382 mm (133 in). July is the wettest month with 583 mm (23 in), while February is the driest with 38 mm (1.5 in).
How sunny is Sihanoukville?
Sihanoukville receives around 2,633 hours of sunshine per year. January is the sunniest month with 270 hours, while September is the cloudiest with just 148 hours. Overall, Sihanoukville enjoys abundant sunshine.
Sihanoukville 3-Day Forecast
Sihanoukville 3-Day Forecast
Sihanoukville on the map
Sihanoukville is highlighted — select any city to see its climate.
Popular this month
Where to go in June — average daytime high across popular destinations.
Battambang
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35°C (95°F) Siem Reap34°C (93°F) Chambok32°C (90°F) Kep31°C (88°F) Kampot31°C (88°F) Sihanoukville30°C (86°F) Koh Rong Island30°C (86°F) 
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