Annual mean 28°C · wettest around September · prevailing wind S
Warmest
33.3 °C
Coldest
29.0 °C
Wettest
58%
Windiest
3.6 m/s
Prevailing
S
3.0 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
never good
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Sihanoukville over the whole year is 28°C. April is the hottest month, with highs of about 33°C; January is the coldest, with lows of about 24°C. The rainy (wet) season in Sihanoukville runs from June to October, peaking in September with a 50% chance of rain on a given day. The dry season is November to May; January is the driest month, at 21%. Winds in Sihanoukville are highest in September, averaging 3.8 m/s (14 km/h), and lightest in October, at 1.6 m/s (6 km/h). The prevailing wind is from the S. The clearest skies in Sihanoukville come in February, when the sky is typically 44% covered; July is the cloudiest month, at 63%.
Month by month Sihanoukville climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
30°C
24°C
31°C
21%
45%
2.1 m/s
23
68
5
February
31°C
25°C
32°C
24%
44%
2.1 m/s
12
59
2
March
32°C
25°C
34°C
22%
46%
2.2 m/s
6
44
0
April
33°C
27°C
36°C
29%
47%
2.1 m/s
2
19
0
May
32°C
27°C
37°C
31%
51%
2.0 m/s
2
16
0
June
31°C
27°C
35°C
36%
58%
2.4 m/s
5
28
1
July
30°C
26°C
34°C
37%
63%
2.5 m/s
7
32
1
August
31°C
27°C
35°C
35%
61%
2.5 m/s
5
29
0
September
30°C
26°C
33°C
50%
63%
3.8 m/s
10
36
2
October
31°C
26°C
35°C
41%
58%
1.6 m/s
8
32
1
November
31°C
25°C
34°C
31%
51%
1.9 m/s
9
41
2
December
30°C
25°C
31°C
26%
49%
2.2 m/s
21
63
4
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Sihanoukville weather by season
Year round, Sihanoukville has days of about 30°C at their warmest in September, its coolest month, and 33°C in April, its warmest; the coolest hours of the day run from 24°C to 27°C through the year, and the average temperature over the year is 28°C around the clock. Rain is most likely around September and least likely around January. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Sihanoukville weather in winterDecember to February
High 30°CLow 24°CRain 24%
Winter in Sihanoukville has typical daily highs of about 30°C and lows of about 24°C, with a 24% chance of rain on a given day.
Sihanoukville weather in springMarch to May
High 32°CLow 26°CRain 27%
Spring in Sihanoukville has typical daily highs of about 32°C and lows of about 26°C, with a 27% chance of rain on a given day.
Sihanoukville weather in summerJune to August
High 31°CLow 27°CRain 36%
Summer in Sihanoukville has typical daily highs of about 31°C and lows of about 27°C, with a 36% chance of rain on a given day.
Sihanoukville weather in autumnSeptember to November
High 30°CLow 26°CRain 41%
Autumn in Sihanoukville has typical daily highs of about 30°C and lows of about 26°C, with a 41% chance of rain on a given day.
When is the rainy season in Sihanoukville?
The rainy (wet) season in Sihanoukville runs from June to October, peaking in September with a 50% chance of rain on a given day. The dry season is November to May; January is the driest month, at 21%.
What time of year is Sihanoukville windiest?
Winds in Sihanoukville are highest in September, averaging 3.8 m/s (14 km/h), and lightest in October, at 1.6 m/s (6 km/h). The prevailing wind is from the S.
What is the average temperature in Sihanoukville year round?
The average temperature in Sihanoukville over the whole year is 28°C. April is the hottest month, with highs of about 33°C; January is the coldest, with lows of about 24°C.