Weather in Phnom Penh: December
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Average day temperature: | 86.8°F |
| Average night temperature: | 73.5°F | |
 |
Number of sunny days: | 16 days |
| Day length: | 11.5 - 11.5 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.2 in. | |
| more information | ||
14 days
forecast
forecast
| Phnom Penh |
weather in
January
January
| Phnom Penh |
Air temperature in December, °F
Show year:
2025
2024
2023
The highest day temperature during December of 2025 was 91°F. At the same time the lowest night temperature was 68°F. Daily and nightly averages during December were 86.8°F and 73.5°F.
Sunny, partly cloudy and cloudy days
Mostly all days in December are sunny but cloudy days are also possible.
Precipitation total in December, in.
Precipitation total value in Phnom Penh in December is 1.3 in. Other months of the year show relatively similar values.
Wind speed in December, mph
The average wind speed value in December is 8.8 mph It makes December most windy month of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 7.6.
Best time for vacation in Phnom Penh
Phnom Penh on a weather map
Places in Cambodia:
Name
°F
24 Hours Forecast
Phnom Penh
Local time: 06:29
January 01, thursday
0900
79°F
N
3 mph
3 mph
1200
86°F
S
4 mph
4 mph
1500
90°F
S
6 mph
6 mph
1800
82°F
S
4 mph
4 mph
2100
79°F
S
6 mph
6 mph
January 02, friday
0000
77°F
S
5 mph
5 mph
0300
73°F
W
6 mph
6 mph
0600
70°F
SW
6 mph
6 mph
