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Samui weather in December

Weather in Samui: December

Average day temperature: 83.8°F
Average night temperature: 81.6°F
Sea water temperature: 83.0°F
Number of sunny days: 8 days
Day length: 11.6 - 11.6 hours
Number of rainy days: 10 days
Precipitation totals: 7.9 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
14
28
42
56
70
84
98
Day temperature   
Night temperature

The highest day temperature during December of 2024 was 82°F. At the same time the lowest night temperature was 76°F. Day and night temperature averages during December were 81.0°F and 80.8°F.

Sea water temperature in Samui in December, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
77
79
81
83
85
87
89

The average sea water temperature in December of 2024 was 83.2°F. The highest and lowest sea temperatures during the month were 84.6°F and 81.7°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
13%
39%
48%

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

Precipitation total in December, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.8
3.7
5.5
7.3
9.2
11.0
12.9
10.7
7.2
4.0
3.6
4.6
4.3
3.7
3.5
1.6
2.4
5.6
9.9
10.7
7.2
4.0
3.6
4.6
4.3
3.7
3.5
1.6
2.4
5.6

Precipitation total value in Samui in December is 9.9 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
2.1
4.2
6.4
8.5
10.6
12.7
14.9
9.8
9.4
11.9
12.3
12.4
10.6
9.1
8.7
10.3
11.7
10.8
11.7
9.8
9.4
11.9
12.3
12.4
10.6
9.1
8.7
10.3
11.7
10.8

The average wind speed value in December is 11.7 mph It makes December one of the most windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.4
2.8
4.1
5.5
6.9
8.3
9.7
4.3
5.0
5.7
6.1
5.6
6.5
6.3
8.1
7.2
6.1
6.0
5.0
4.3
5.0
5.7
6.1
5.6
6.5
6.3
8.1
7.2
6.1
6.0

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: 5.0.

Best time for vacation in Samui

Sunniest months:
April 18 days
March 15 days
May 15 days
Warmest months:
May 88.6 °F
June 88.0 °F
July 87.3 °F
Warmest sea temp:
May 87.5 °F
April 86.6 °F
June 86.5 °F
Coldest months:
January 83.2 °F
February 83.7 °F
December 83.8 °F
Rainiest months:
November 15 days
October 11 days
December 10 days
Windiest months:
July 12.0 mph
December 11.8 mph
September 11.7 mph

Samui on a weather map

Leaflet | Tiles © Esri
Places in Thailand:
Name
°F
+91°F
+82°F
+81°F
+82°F
+82°F
+82°F
+82°F
+84°F
+81°F
+82°F
+82°F
+84°F
+82°F
+81°F
+82°F
24 Hours Forecast
Samui
Local time: 18:56
February 19, wednesday
2100
81°F
NW
16 mph
February 20, thursday
0000
81°F
NW
17 mph
0300
82°F
NW
16 mph
0600
82°F
NW
17 mph
0900
82°F
NW
21 mph
1200
82°F
NW
19 mph
1500
82°F
NW
17 mph
1800
82°F
W
16 mph
Units of measurement: °C / °F