Best year time to visit Siem

General weather information about Siem

Average annual temperature is 27.7 °C

Absolute maximum temperature: 40.4 °C

Absolute minimum temperature: 16.1 °C

Number of sunny days: 94 days

Number of rainy days: 271 days

Look at detailed online map of Siem

* Weather data for Siem Cambodia is based on climate observations for 2026 year

Siem air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	31.9	35.5	38.6	40.3	40.4	37.1	35.3	36.8	33.1	33.1	31.0	31.7
Average daytime temperature (°C)	28.7	32.9	34.8	37.1	36.1	34.6	32.5	33.8	31.5	30.5	29.4	29.7
Average temperature (°C)	24.1	27.2	28.6	30.7	30.2	29.5	28.1	28.7	27.3	26.7	25.5	25.5
Average night temperature (°C)	19.4	22.0	23.5	26.1	26.2	26.2	25.2	25.6	24.5	23.9	22.3	21.6
Absolute minimum temperature (°C)	16.1	19.0	19.3	24.0	24.1	25.2	23.6	24.0	23.1	23.0	18.6	16.9

Siem monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	11.0	11.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	11.0	11.0
Daylight mean duration (h)	11.4	11.7	12.1	12.4	12.7	12.9	12.8	12.6	12.2	11.8	11.5	11.4
Daylight minimum duration (h)	11.0	11.0	11.0	12.0	12.0	12.0	12.0	12.0	12.0	11.0	11.0	11.0
Sunshine mean duration (h)	9.1	10.6	10.8	9.9	9.8	9.8	7.9	9.0	8.0	8.6	8.9	9.7
Precipitation (mm)	74	36	22	100	168	84	244	138	212	326	158	52
Sunny days	22	19	22	3	0	0	0	0	0	1	11	16
Rainy days	9	9	9	27	31	30	31	31	30	30	19	15
Snow days	0	0	0	0	0	0	0	0	0	0	0	0

Siem - weather forecast by months

Siem weather in january Siem weather in february Siem weather in march Siem weather in april Siem weather in may Siem weather in june Siem weather in july Siem weather in august Siem weather in september Siem weather in october Siem weather in november Siem weather in december

Best time to visit Siem:

The largest precipitation sum in Siem is at

July — 244(mm)

September — 212(mm)

October — 326(mm)

Weather forecast in the closest to Siem admin centers