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Sihanoukville Climate by Month

Sihanoukville has relatively stable weather with very warm temperatures. It also experiences much rainfall throughout the year. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

The temperature in Sihanoukville remains steady throughout the year, providing a consistently very warm climate. Average daytime temperatures reach a very warm 31°C in April. In January, the coolest month of the year, temperatures drop to a comfortable 29°C. At night, expect cooler temperatures, averaging 25°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Sihanoukville has a relatively rainy climate with high precipitation levels, averaging 3382 mm of rainfall annually. Sihanoukville can be quite wet during July, receiving approximately 583 mm of precipitation over 20 rainy days. In contrast February, experiences much drier conditions, with 38 mm of rainfall, spread across 5 rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Sihanoukville can be enjoyed more throughout the sunniest month of January under a blue sky, with approximately 9.0 hours of sunshine daily. In contrast, the city experiences much darker days in September, with only 4.9 hours of sunlight per day.

Monthly hours of sunshine

Daily hours of sunshine

The best time of year to visit Sihanoukville in Cambodia

Sihanoukville has high temperatures year round ranging between 29°C and 31°C.
The best time to visit is during the drier months: January, February and December.

Other facts from our historical weather data:
  • When is the rainy season in Sihanoukville?
    Rainy season in Sihanoukville occurs in the months of May, June, July, August, September and October.
  • Which is the hottest month in Sihanoukville?
    April has an average maximum temperature of 31°C and is the hottest month of the year.
  • Which is the coolest month in Sihanoukville?
    The coolest month is January with an average maximum temperature of 29°C.
  • Which is the wettest month in Sihanoukville?
    July tops the wettest month list with 583 mm of rainfall.
  • Which is the driest month in Sihanoukville?
    February is the driest month with 38 mm of precipitation.
  • Which is the sunniest month in Sihanoukville?
    January is the sunniest month with an average of 270 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Sihanoukville

    Tue   Nov 26
    34°C | 25°C
    NE 14 km/h
    broken clouds and no rain

    broken clouds and no rain

    Wed   Nov 27
    35°C | 25°C
    NE 18 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Thu   Nov 28
    34°C | 25°C
    NE 25 km/h
    5.4 mm
    partly cloudy and  chance of rain

    partly cloudy and chance of rain