The best times to visit Sihanoukville for ideal weather are

December 17th to March 4th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.


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Weather in Sihanoukville

Temperature

Average temperatures in Sihanoukville vary very little. Considering humidity, temperatures feel hot all year with a chance of rain throughout most of the year. The area is far less temperate than some — in the 7th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Sihanoukville, the hottest months are May, April, and then June. See average monthly temperatures below. The warmest time of year is generally late May where highs are regularly around 90.6°F (32.6°C) with temperatures rarely dropping below 79.9°F (26.6°C) at night.

Sihanoukville Temperatures (Fahrenheit)

Key
High
Average
Low

Sihanoukville Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Sihanoukville Perceived Temperature (F)

Key
High
Average
Low

Sihanoukville Perceived Temperature (C)

Key
High
Average
Low

 

Average Sihanoukville Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 87.1 79.9 73.9
Feb 88.2 80.6 74.5
Mar 89.7 82.8 76.9
Apr 90.4 83.9 78.1
May 89.9 84.4 78.8
Jun 88.1 83.2 78.5
Jul 86.8 82.3 77.8
Aug 86.8 82.4 78.1
Sep 85.8 81.5 77.5
Oct 87.1 81.4 76.7
Nov 88.1 81.8 76.7
Dec 87.4 80.8 75.2

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 30.6 26.6 23.3
Feb 31.2 27 23.6
Mar 32.1 28.2 24.9
Apr 32.4 28.8 25.6
May 32.2 29.1 26
Jun 31.2 28.4 25.8
Jul 30.4 27.9 25.4
Aug 30.4 28 25.6
Sep 29.9 27.5 25.3
Oct 30.6 27.4 24.8
Nov 31.2 27.7 24.8
Dec 30.8 27.1 24


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Sihanoukville are January, February, and then December. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late January and early February. For example, on the week of January 29th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid September with an average of 5 days of significant precipitation the week of September 10th.

When can you find snow in Sihanoukville? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chanceof Precipitation

The graph below shows the % chance of rainy and snowy days in Sihanoukville.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Sihanoukville (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 4% 0 0.4
Feb 6% 0 0.8
Mar 21% 0 4.1
Apr 28% 0 6.3
May 40% 0 9
Jun 48% 0 13.4
Jul 55% 0 16
Aug 51% 0 12.2
Sep 63% 0 21.4
Oct 48% 0 11.8
Nov 34% 0 6
Dec 12% 0 2.7

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 4 0 1
Feb 6 0 2
Mar 21 0 10.4
Apr 28 0 16
May 40 0 22.9
Jun 48 0 34
Jul 55 0 40.6
Aug 51 0 31
Sep 63 0 54.4
Oct 48 0 30
Nov 34 0 15.2
Dec 12 0 6.9

 

Humidity and Wind

Sihanoukville has some extremely humid months, and above average humidity throughout the year. The least humid month is January (64.7% relative humidity), and the most humid month is September (82.5%).

Wind in Sihanoukville is usually calm. The windiest month is July, followed by August and September. July’s average wind speed of around 8.7 knots (10 MPH or 16.1 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid July where average top sustained speeds reach 15.6 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Sihanoukville.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 5 Light breeze 9.6 Gentle breeze
Feb 4.1 Light breeze 8.2 Gentle breeze
Mar 4.5 Light breeze 8.4 Gentle breeze
Apr 4.8 Light breeze 8.8 Gentle breeze
May 6.7 Light breeze 11.4 Gentle breeze
Jun 7.9 Gentle breeze 13.6 Significant breeze
Jul 8.7 Gentle breeze 14.5 Gentle breeze
Aug 8.5 Gentle breeze 13.7 Significant breeze
Sep 8.4 Gentle breeze 13.9 Gentle breeze
Oct 5.1 Light breeze 10.1 Gentle breeze
Nov 4.9 Light breeze 9.5 Gentle breeze
Dec 5.5 Light breeze 10.1 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 64.7%
Feb 69.2%
Mar 69.8%
Apr 73.5%
May 75.9%
Jun 79.5%
Jul 79.7%
Aug 79.9%
Sep 82.5%
Oct 80%
Nov 73%
Dec 65.4%

 

Is it Safe to Travel to Sihanoukville?

Our best data indicates this area is somewhat safe. As of Nov 23, 2018 there are travel warnings for Cambodia; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories


 

The Busiest and Least Crowded Months

The busiest month for tourism in Sihanoukville, Cambodia is January, followed by July and May. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Sihanoukville in August. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 70.5 in August means 70.5% of the tourists vs. January.



Overall Sihanoukville Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 90.6°F (32.6°C) and 89°F (31.7°C) with similar temperatures in the later months. Rain is somewhat common with 7 to 12 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the most precipitation with 14 to 17 days of precipitation per month. June – August is fairly slow season for tourism in Sihanoukville, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 88.5°F (31.4°C) and 85.3°F (29.6°C), which will feel very nice given the humidity and wind. It rains or snows a great amount: 10 to 19 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is perfect this time of year in Sihanoukville to be enjoyable for warm weather travelers. The average high during this season is between 89°F (31.7°C) and 86.5°F (30.3°C). On average, it rains or snows a smalll amount: 1 to 4 times per month. These times of year are the busiest with tourists.

 

Best Times to TravelCambodia › Sihanoukville, Cambodia


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