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Best time to visit Sihanoukville, Cambodia

Our verdict

The best time to visit Sihanoukville is February-April

Sihanoukville is a place lots of people visit almost all year round, but if you’re looking for the best time to go, February-April is definitely the time you should visit. This is based on a number of factors such as the weather, cost of flights and accommodation, peak travel periods and more.

The warmest month of the year in Sihanoukville is May, where the average temperature gets to around 31℃ (87℉), but temperatures can reach as high as 32℃ (89℉) on the hottest days in summer. In the winter months, it can get down to as low as 23℃ (74℉) at night.

The sun stays up the longest in Sihanoukville in May, so you’ll get the most out of your daytime activities if you visit around this time. On average it rains the most days in August, making it the wettest month of the year. Although it’s the wet season, it can often rain a little bit during the day or evening but have fine weather for a majority of the day too, so don’t let this put you off.

To learn everything you need to know (and none of the stuff you don’t) about when to visit Sihanoukville, keep reading below. Plus, you’ll find tools to help you get the best deals on travel and hotels too!

Warmest month

May

Least rainfall

February

Most daylight

May

Sihanoukville seasons

Before you continue, it’s important to know when the seasons are in Sihanoukville as they might be different to yours depending on where in the world you’re travelling from. Sihanoukville is in the Northern Hemisphere, so the seasons fall during these months:

SeasonMonths
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in Sihanoukville

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Sihanoukville for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

Sihanoukville climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Sihanoukville for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

Sihanoukville in January

  • Average temperature: 27℃ (80℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 25℃ (77℉)
  • Average humidity: 71%
  • Average sunny days: 17 days
  • Average rainfall: 48mm (2") over 13 days
17 days
of pure sunshine
13 days
of showers or rain

What to pack: If you’re heading to Sihanoukville in January, make sure you pack t-shirts and light clothing.


Sihanoukville in February

  • Average temperature: 27℃ (81℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 26℃ (78℉)
  • Average humidity: 73%
  • Average sunny days: 14 days
  • Average rainfall: 30mm (1") over 11 days
14 days
of pure sunshine
11 days
of showers or rain

What to pack: If you’re heading to Sihanoukville in February, make sure you pack t-shirts and light clothing.


Sihanoukville in March

  • Average temperature: 28℃ (82℉)
  • Average high temperature: 30℃ (85℉)
  • Average low temperature: 27℃ (80℉)
  • Average humidity: 75%
  • Average sunny days: 10 days
  • Average rainfall: 65mm (3") over 19 days
10 days
of pure sunshine
19 days
of showers or rain

What to pack: If you’re heading to Sihanoukville in March, make sure you pack t-shirts and light clothing.


Sihanoukville in April

  • Average temperature: 29℃ (84℉)
  • Average high temperature: 30℃ (86℉)
  • Average low temperature: 28℃ (82℉)
  • Average humidity: 75%
  • Average sunny days: 6 days
  • Average rainfall: 127mm (5") over 22 days
6 days
of pure sunshine
22 days
of showers or rain

What to pack: If you’re heading to Sihanoukville in April, make sure you pack t-shirts and shorts.. It stays warm all day and night.


Sihanoukville in May

  • Average temperature: 30℃ (85℉)
  • Average high temperature: 31℃ (87℉)
  • Average low temperature: 28℃ (83℉)
  • Average humidity: 74%
  • Average sunny days: 4 days
  • Average rainfall: 186mm (7") over 24 days
4 days
of pure sunshine
24 days
of showers or rain

What to pack: If you’re heading to Sihanoukville in May, make sure you pack t-shirts and shorts.. It stays warm all day and night.


Sihanoukville in June

  • Average temperature: 29℃ (84℉)
  • Average high temperature: 30℃ (85℉)
  • Average low temperature: 28℃ (82℉)
  • Average humidity: 77%
  • Average sunny days: 2 days
  • Average rainfall: 288mm (11") over 26 days
2 days
of pure sunshine
26 days
of showers or rain

What to pack: If you’re heading to Sihanoukville in June, make sure you pack t-shirts and light clothing.


Sihanoukville in July

  • Average temperature: 28℃ (83℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 27℃ (81℉)
  • Average humidity: 78%
  • Average sunny days: 5 days
  • Average rainfall: 303mm (12") over 25 days
5 days
of pure sunshine
25 days
of showers or rain

What to pack: If you’re heading to Sihanoukville in July, make sure you pack t-shirts and light clothing.


Sihanoukville in August

  • Average temperature: 28℃ (83℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 27℃ (81℉)
  • Average humidity: 78%
  • Average sunny days: 4 days
  • Average rainfall: 362mm (14") over 27 days
4 days
of pure sunshine
27 days
of showers or rain

What to pack: If you’re heading to Sihanoukville in August, make sure you pack t-shirts and light clothing.


Sihanoukville in September

  • Average temperature: 28℃ (82℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 27℃ (80℉)
  • Average humidity: 79%
  • Average sunny days: 5 days
  • Average rainfall: 311mm (12") over 24 days
5 days
of pure sunshine
24 days
of showers or rain

What to pack: If you’re heading to Sihanoukville in September, make sure you pack t-shirts and light clothing.

Sihanoukville in October

  • Average temperature: 28℃ (82℉)
  • Average high temperature: 29℃ (85℉)
  • Average low temperature: 27℃ (80℉)
  • Average humidity: 77%
  • Average sunny days: 6 days
  • Average rainfall: 211mm (8") over 25 days
6 days
of pure sunshine
25 days
of showers or rain

What to pack: If you’re heading to Sihanoukville in October, make sure you pack t-shirts and light clothing.


Sihanoukville in November

  • Average temperature: 28℃ (82℉)
  • Average high temperature: 30℃ (85℉)
  • Average low temperature: 27℃ (80℉)
  • Average humidity: 75%
  • Average sunny days: 8 days
  • Average rainfall: 122mm (5") over 20 days
8 days
of pure sunshine
20 days
of showers or rain

What to pack: If you’re heading to Sihanoukville in November, make sure you pack t-shirts and light clothing.


Sihanoukville in December

  • Average temperature: 27℃ (81℉)
  • Average high temperature: 29℃ (85℉)
  • Average low temperature: 26℃ (78℉)
  • Average humidity: 71%
  • Average sunny days: 17 days
  • Average rainfall: 52mm (2") over 14 days
17 days
of pure sunshine
14 days
of showers or rain

What to pack: If you’re heading to Sihanoukville in December, make sure you pack t-shirts and light clothing.


Top FAQs

The hottest month of the year in Sihanoukville is usually May, where temperatures tend to rise to around 31℃ (87℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Sihanoukville is generally around February. The dry season often coincides with cooler weather, so you should check the temperatures in February first to make sure it’s still a good time to go.
The rainiest time of year in Sihanoukville is generally around August, although the wetter season can sometimes extend a few months either side of August too.
If you want to get the most out of your time visiting Sihanoukville, or if you're just afraid of the dark, the days in May are usually the longest between sunrise and sunset.

Sihanoukville map

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