Siem Reap weather by month

Check out Siem Reap weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Siem Reap (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
31°C maximum daytime temperature in January in Siem Reap31
34°C maximum daytime temperature in February in Siem Reap34
36°C maximum daytime temperature in March in Siem Reap36
36°C maximum daytime temperature in April in Siem Reap36
34°C maximum daytime temperature in May in Siem Reap34
33°C maximum daytime temperature in June in Siem Reap33
32°C maximum daytime temperature in July in Siem Reap32
32°C maximum daytime temperature in August in Siem Reap32
31°C maximum daytime temperature in September in Siem Reap31
31°C maximum daytime temperature in October in Siem Reap31
31°C maximum daytime temperature in November in Siem Reap31
30°C maximum daytime temperature in December in Siem Reap30
Min temperature (night-time)
19°C minimum night-time temperature in January in Siem Reap19
21°C minimum night-time temperature in February in Siem Reap21
23°C minimum night-time temperature in March in Siem Reap23
24°C minimum night-time temperature in April in Siem Reap24
25°C minimum night-time temperature in May in Siem Reap25
24°C minimum night-time temperature in June in Siem Reap24
24°C minimum night-time temperature in July in Siem Reap24
24°C minimum night-time temperature in August in Siem Reap24
24°C minimum night-time temperature in September in Siem Reap24
24°C minimum night-time temperature in October in Siem Reap24
22°C minimum night-time temperature in November in Siem Reap22
20°C minimum night-time temperature in December in Siem Reap20
Heat & Humidity
High heat & humidity in January in Siem ReapH
Very high heat & humidity in February in Siem ReapVH
Very high heat & humidity in March in Siem ReapVH
Extreme heat & humidity in April in Siem ReapE
Extreme heat & humidity in May in Siem ReapE
Very high heat & humidity in June in Siem ReapVH
Very high heat & humidity in July in Siem ReapVH
Very high heat & humidity in August in Siem ReapVH
Very high heat & humidity in September in Siem ReapVH
High heat & humidity in October in Siem ReapH
High heat & humidity in November in Siem ReapH
High heat & humidity in December in Siem ReapH

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Siem Reap

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
11 hours of daylight per day in January in Siem Reap11
12 hours of daylight per day in February in Siem Reap12
12 hours of daylight per day in March in Siem Reap12
12 hours of daylight per day in April in Siem Reap12
13 hours of daylight per day in May in Siem Reap13
13 hours of daylight per day in June in Siem Reap13
13 hours of daylight per day in July in Siem Reap13
13 hours of daylight per day in August in Siem Reap13
12 hours of daylight per day in September in Siem Reap12
12 hours of daylight per day in October in Siem Reap12
12 hours of daylight per day in November in Siem Reap12
11 hours of daylight per day in December in Siem Reap11
UV Index (Maximum)
UV (maximum) index 10 (Very High) in January in Siem Reap10
UV (maximum) index 11+ (Extreme) in February in Siem Reap11
UV (maximum) index 11+ (Extreme) in March in Siem Reap11
UV (maximum) index 11+ (Extreme) in April in Siem Reap11
UV (maximum) index 11+ (Extreme) in May in Siem Reap11
UV (maximum) index 11+ (Extreme) in June in Siem Reap11
UV (maximum) index 11+ (Extreme) in July in Siem Reap11
UV (maximum) index 11+ (Extreme) in August in Siem Reap11
UV (maximum) index 11+ (Extreme) in September in Siem Reap11
UV (maximum) index 11 (Extreme) in October in Siem Reap11
UV (maximum) index 10 (Very High) in November in Siem Reap10
UV (maximum) index 9 (Very High) in December in Siem Reap9

Rainfall in Siem Reap

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
1 day with some rainfall in January in Siem Reap1
2 days with some rainfall in February in Siem Reap2
4 days with some rainfall in March in Siem Reap4
7 days with some rainfall in April in Siem Reap7
15 days with some rainfall in May in Siem Reap15
15 days with some rainfall in June in Siem Reap15
18 days with some rainfall in July in Siem Reap18
18 days with some rainfall in August in Siem Reap18
18 days with some rainfall in September in Siem Reap18
15 days with some rainfall in October in Siem Reap15
6 days with some rainfall in November in Siem Reap6
2 days with some rainfall in December in Siem Reap2
Average monthly rainfall (mm)
1 mm monthly rainfall in January in Siem Reap1
9 mm monthly rainfall in February in Siem Reap9
28 mm monthly rainfall in March in Siem Reap28
64 mm monthly rainfall in April in Siem Reap64
146 mm monthly rainfall in May in Siem Reap146
166 mm monthly rainfall in June in Siem Reap166
186 mm monthly rainfall in July in Siem Reap186
224 mm monthly rainfall in August in Siem Reap224
250 mm monthly rainfall in September in Siem Reap250
215 mm monthly rainfall in October in Siem Reap215
61 mm monthly rainfall in November in Siem Reap61
7 mm monthly rainfall in December in Siem Reap7

More about Siem Reap

Siem Reap by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Cambodia (Siem Reap) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Siem Reap?

Siem Reap has a hot tropical climate with a winter dry season.

Tropical storm risk: Siem Reap, Cambodia typhoon season

% of month affected by tropical storms
0
0
0
0
0
0
0
0
1.5%
3.2%
1.3%
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Compare Siem Reap weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Siemreab, Cambodia and the UK (London).

Maximum daytime temperature (°C)

Siemreab, Cambodia
UK (London)
31
7
34
7
36
10
36
13
34
17
33
20
32
22
32
22
31
19
31
15
31
10
30
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

Compare more weather >>

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