World Resorts Cambodia Siem Reap Weather

Siem Reap weather in December

Weather in Siem Reap: December

Average day temperature: 86.9°F
Average night temperature: 71.6°F
Number of sunny days: 18 days
Day length: 11.3 - 11.4 hours
Number of rainy days: 1 day
Precipitation totals: 0.7 in.

Air temperature in December, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
15
30
45
60
75
90
105
120
Day temperature   
Night temperature

The highest day temperature during December of 2024 was 89°F. At the same time the lowest night temperature was 61°F. Daily and nightly averages during December were 86.0°F and 70.3°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
52%
39%
10%

Mostly all days in December are sunny but cloudy days are also possible.

Precipitation total in December, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.5
3.0
4.6
6.1
7.6
9.1
10.7
2.9
7.4
8.9
7.3
7.2
4.7
4.5
2.5
2.9
7.4
8.9
7.3
7.2
4.7
4.5
2.5

Precipitation total value in Siem Reap in December is 0.7 in. Other months of the year show relatively similar values.

Wind speed in December, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.2
2.4
3.6
4.8
6.0
7.2
8.4
4.7
4.6
5.5
7.0
6.9
6.2
5.0
5.1
5.1
5.3
4.9
4.9
4.7
4.6
5.5
7.0
6.9
6.2
5.0
5.1
5.1
5.3
4.9

The average wind speed value in December is 4.9 mph It makes December one of the least windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.6
3.2
4.8
6.4
8.0
9.5
11.1
6.0
4.8
4.1
5.6
5.0
6.5
6.7
8.2
9.0
9.3
9.3
7.9
6.0
4.8
4.1
5.6
5.0
6.5
6.7
8.2
9.0
9.3
9.3

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: 7.9.

Best time for vacation in Siem Reap

Sunniest months:
February 24 days
January 22 days
March 22 days
Warmest months:
April 97.1 °F
March 96.1 °F
May 95.3 °F
Coldest months:
December 86.9 °F
September 88.4 °F
October 88.6 °F
Rainiest months:
September 17 days
July 15 days
August 14 days
Windiest months:
July 6.9 mph
August 6.8 mph
June 6.5 mph

Siem Reap on a weather map

Leaflet | Tiles © Esri
Places in Cambodia:
Name
°F
+79°F
+81°F
+81°F
+72°F
+77°F
+81°F
+79°F
24 Hours Forecast
Siem Reap
Local time: 05:38
April 04, friday
0600
79°F
W
6 mph
0900
88°F
NW
7 mph
1200
95°F
N
7 mph
1500
99°F
N
9 mph
1800
91°F
N
8 mph
2100
86°F
NE
8 mph
April 05, saturday
0000
82°F
E
8 mph
0300
79°F
E
6 mph
Units of measurement: °C / °F