Samui Weather: December
 |
Average Day Temperature: | 87.3°F |
|
Average Night Temperature: | 85.0°F |
|
Sea Water Temperature: | 86.5°F |
|
Number of Sunny Days: | 8 days |
| Sunshine Hours: | 11.6 - 11.6 hours | |
|
Number of Rainy Days: | 9 days |
| Precipitation Totals: | 7.5 in | |
| detailed information | ||
forecast
| Samui |
Temperature
| Samui |
Air Temperature in December, °F
The highest day temperature in December 2025 was 85°F. The lowest night temperature was 81°F. The average values for day and night temperatures during December were 83.7°F и 83.2°F respectivly.
Samui Water Sea Temperature in December, °F
The average sea surface temperature in December 2025 for Samui was 85.4°F. The maximum and minimum values were 84.2°F and 87.2°F respectively.
Most of the days in December are cloudy but you can also expect sunny or gloomy days.
Precipitation Totals in December, in
Precipitation total in December for Samui is 7.5 in. It makes december one of the most rainy months of the year.
The average wind speed in December is 11.6 mph. It makes December one of the most windy months of the year for Samui.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Samui in December is 6.1 hours.
Samui on the Weather Map
| Bang Tao Beach |  |
+82 |
| Bangkok |  |
+82 |
| Hua Hin | |
+74 |
| Karon Beach | |
+82 |
| Kata Beach | |
+82 |
| Khao Lak | |
+78 |
| Ko Li Pe | |
+84 |
| Koh Chang | |
+80 |
| Patong Beach | |
+82 |
| Pattaya | |
+78 |
| Phi Phi | |
+84 |
| Phuket | |
+82 |
| Samet | |
+80 |
| Samui |  |
+82 |
| Similan | |
+78 |
| 2100 |  |
82°F | SW 13 mph |
| 0000 | |
82°F | SW 10 mph |
| 0300 | |
82°F | SW 8 mph |
| 0600 | |
80°F | SW 9 mph |
| 0900 |  |
82°F | SW 9 mph |
| 1200 | |
82°F | SW 8 mph |
| 1500 | |
82°F | SW 9 mph |
| 1800 | |
82°F | W 9 mph |