Sihanoukville weather and climate in 2025
January
February
March
April
May
June
July
August
September
October
November
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Overview
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Sihanoukville weather and climate in 2025
January
February
March
April
May
June
July
August
September
October
November
December
Overview
July
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Overview
August >
Day
31 °C
Night
25 °C
Sea
29 °C
Precipitation
551 mm
in month
Rainy days
22 days
in month
Daylight
13 hours
average
Sunshine
5 hours
average
Humidity
83 %
Day
31 °C
Night
25 °C
Sea
29 °C
Precipitation
551 mm
in month
Rainy days
22 days
in month
Daylight
13 hours
average
Sunshine
5 hours
average
Humidity
83 %
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Weather overview
Sihanoukville (Cambodia) in general has a tropical climate. The day temperatures range from 31 °C (87 °F) in August to 33 °C (92 °F) in April. Sea temperatures are in the following range: 28 °C (82 °F) in January to 30 °C (87 °F) in May. Temperatures during the night go from 23 °C (73 °F) in January to 26 °C (79 °F) in April. The least rainy month in Sihanoukville is January with its 4 days of rain, the rainiest month is August, when it rains 23 days.
January weather
The ongoing tourist season is noticeable in Sihanoukville. The minimum of the sea temperature can be noticed, its value is 28 °C (82 °F), and the minimum of the night temperature is observable too in January. The number of rainy days reaches its minimum, its value is 4 days, and the rainfall amount reaches its minimum too, its value is 19 mm (0.75 in). The maximum of the wind speed is observable, the value of this measure is 3.
February weather
The ongoing tourist season is noticeable in Sihanoukville, and the dry season is close to its peak as well. The rainfall amount rise's start could be observed. The night temperature starts to rise, with its value being 24 °C (75 °F). The maximum of the number of sun hours (without clouds) is observable.
March weather
The beginning of the rise of the day temperature could be noticed, with its value of 32 °C (90 °F) in Sihanoukville, and the beginning of the rise of the sea temperature could be noticed as well, with its value being 29 °C (85 °F). The tourist season is close to its peak. The number of rainy days starts to rise, while the rise of the rainfall amount can be observed, its value is 91 mm (3.59 in). The night temperature continues to rise, with its value being 25 °C (76 °F).
April weather
The tourist season is taking place in Sihanoukville. The day temperature is on its maximum, its value is 33 °C (92 °F), while the rise of the sea temperature can be observed, the value of this measure is 30 °C (86 °F). The rise of the rainfall amount can be observed, and the rise of the number of rainy days can be observed as well, with its value being 11 days. The maximum of the night temperature can be noticed, the value of this measure is 26 °C (79 °F).
May weather
The day temperature descent's start could be observed, the value of this measure is 32 °C (90 °F) in Sihanoukville, while the maximum of the sea temperature is observable, the value of this measure is 30 °C (87 °F). The wet season is about to start. The number of rainy days continues to rise, with its value of 17 days, and the rainfall amount rises similarly to the previous month too, with its value being 271 mm (10.66 in). The night temperature descent's start could be observed, with its value being 25 °C (77 °F).
June weather
The wet season continues in Sihanoukville. The descent of the day temperature can be observed, the value of this measure is 31 °C (89 °F), while the sea temperature descent's start could be observed, with its value being 30 °C (86 °F). The rise of the number of rainy days can be observed, the value of this measure is 21 days, and the rainfall amount continues to rise as well, with its value of 502 mm (19.75 in). The descent of the night temperature can be observed, with its value of 24 °C (76 °F).
July weather
There is pending wet season in July in Sihanoukville. The sea temperature continues to descent, its value is 29 °C (85 °F). The rainfall amount is on its maximum, with its value being 551 mm (21.69 in), while the rise of the number of rainy days can be observed, with its value being 22 days.
August weather
The wet season is taking place in Sihanoukville. The day temperature reaches its minimum, the value of this measure is 31 °C (87 °F). The beginning of the descent of the rainfall amount could be noticed, with its value being 471 mm (18.55 in), while the number of rainy days is on its maximum, its value is 23 days.
September weather
There is pending wet season in Sihanoukville. The number of rainy days starts to descent, with its value of 22 days, while the rainfall amount descents similarly to the previous month, its value is 448 mm (17.65 in). The minimum of the number of sun hours (without clouds) can be noticed in this month.
October weather
The beginning of the rise of the day temperature could be noticed, with its value being 31 °C (88 °F) in Sihanoukville. The descent of the number of rainy days can be observed, its value is 21 days, and the rainfall amount descents similarly to the previous month too. The wet season is taking place. The wind speed is on its minimum in this month. The humidity reaches its maximum in October.
November weather
The descent of the number of rainy days can be observed, with its value of 12 days in Sihanoukville, and the descent of the rainfall amount can be observed too, with its value being 94 mm (3.72 in). The tourist season slowly starts. The number of sun hours (without clouds) continues to rise, with its value being 7 hours.
December weather
There is pending tourist season in Sihanoukville. The descent of the number of rainy days can be observed, the value of this measure is 5 days, and the rainfall amount descents similarly to the previous month as well, with its value being 25 mm (0.98 in). The sea temperature starts to descent, its value is 28 °C (83 °F). The number of sun hours (without clouds) continues to rise. The minimum of the day length can be noticed in this month.
FAQs
What is the temperature in Sihanoukville during the day in January?
The average daily temperature in Sihanoukville in January is 31 °C (88 °F). The great temperature for lying by the sea or pool and sunbathing, everywhere else you will probably be a bit hot. Don't forget to drink during the day, in these temperatures you should hydrate yourself a lot.
What is the sea temperature in February in Sihanoukville?
In February in Sihanoukville expect the sea to be warm at 28 °C (83 °F). This temperature is someone's dream come true, while for someone it may no longer be ideal for the purpose of refreshment.
Is March part of the wet season in Sihanoukville?
No, there is no wet season in March in Sihanoukville - you can expect 7 days of rain during the month.
What is the average number of rainy days in April in Sihanoukville?
There are 11 days, which are rainy in Sihanoukville in April, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.6 days of the week, or in general - 37 % days.
What is the air temperature in Sihanoukville in May at night?
The average night temperature in May in Sihanoukville is 25 °C (77 °F). The temperature creates a tropical atmosphere and encourages a night of fun, often including a drink to refresh. After all, this temperature is already relatively high.
What is the humidity in Sihanoukville in August?
In Sihanoukville in August, expect humidity around 83 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.
How windy is Sihanoukville in September?
In Sihanoukville in September, there will be an average wind scale of 2. It is rather a milder or unnoticeable wind, therefore it will not bother you during your holiday.
How many hours of sun to expect in Sihanoukville in October?
There is an average length of sunshine of 6 hours per day in October in Sihanoukville.
Are there good conditions to visit in Sihanoukville in November?
November is one of the best months to visit Sihanoukville. The daily temperatures in this month reach pleasant 31 °C (88 °F). The seawater temperature reaches ideal 29 °C (84 °F). At night, temperatures hover around a pleasant 24 °C (75 °F).
Is it hot in Sihanoukville in December?
In Sihanoukville in December, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
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