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

    MonthAvg. High (°F)Avg. Mean (°F)Avg. Low (°F)
    Jan87.179.973.9
    Feb88.280.674.5
    Mar89.782.876.9
    Apr90.483.978.1
    May89.984.478.8
    Jun88.183.278.5
    Jul86.882.377.8
    Aug86.882.478.1
    Sep85.881.577.5
    Oct87.181.476.7
    Nov88.181.876.7
    Dec87.480.875.2

    Show Celsius

    MonthAvg. High (°C)Avg. Mean (°C)Avg. Low (°C)
    Jan30.626.623.3
    Feb31.22723.6
    Mar32.128.224.9
    Apr32.428.825.6
    May32.229.126
    Jun31.228.425.8
    Jul30.427.925.4
    Aug30.42825.6
    Sep29.927.525.3
    Oct30.627.424.8
    Nov31.227.724.8
    Dec30.827.124


     

    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

    MonthDaily Chance of RainAverage Snow Depth (in)Total Precipitation (in)
    Jan4%00.4
    Feb6%00.8
    Mar21%04.1
    Apr28%06.3
    May40%09
    Jun48%013.4
    Jul55%016
    Aug51%012.2
    Sep63%021.4
    Oct48%011.8
    Nov34%06
    Dec12%02.7

    Show Centimeters

    MonthDaily Chance of RainAverage Snow Depth (cm)Total Precipitation (cm)
    Jan401
    Feb602
    Mar21010.4
    Apr28016
    May40022.9
    Jun48034
    Jul55040.6
    Aug51031
    Sep63054.4
    Oct48030
    Nov34015.2
    Dec1206.9

     

    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.

    MonthAvg. WindAvg. Wind FeelSustained High WindHigh Wind Feel
    Jan5Light breeze9.6Gentle breeze
    Feb4.1Light breeze8.2Gentle breeze
    Mar4.5Light breeze8.4Gentle breeze
    Apr4.8Light breeze8.8Gentle breeze
    May6.7Light breeze11.4Gentle breeze
    Jun7.9Gentle breeze13.6Significant breeze
    Jul8.7Gentle breeze14.5Gentle breeze
    Aug8.5Gentle breeze13.7Significant breeze
    Sep8.4Gentle breeze13.9Gentle breeze
    Oct5.1Light breeze10.1Gentle breeze
    Nov4.9Light breeze9.5Gentle breeze
    Dec5.5Light breeze10.1Gentle breeze

    Show Relative Humidity by Month

    MonthAvg. Relative Humidity
    Jan64.7%
    Feb69.2%
    Mar69.8%
    Apr73.5%
    May75.9%
    Jun79.5%
    Jul79.7%
    Aug79.9%
    Sep82.5%
    Oct80%
    Nov73%
    Dec65.4%

     

    Is it Safe to Travel to Sihanoukville?

    Our best data indicates this area is somewhat safe. As of Mar 17, 2019 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. This advisory was last updated on Oct 30, 2018.


     

    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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