Sandakan Weather in December
What's the weather like in Sandakan (Sabah) in December 2025?
The climate in Sandakan during December can be summarized as hot, humid and very wet.
December is in the winter in Sandakan and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 23°C (74°F) is normal.
| Daytime temperature | 29.9°C 85.8°F |
|---|---|
| Nightly temperature | 23.3°C 73.9°F |
| Average temperature | 26.6°C 79.9°F |
| Daily sunshine | 5.6 hrs |
| Avg rainfall | 435 mm 17.1 ins |
| Rainy days | 26 days |
| Sea temperature | 28.7°C 83.6°F |
| Humidity | 86% |
| Windspeed | 7.6kph 5 mph |
On average December is the 2nd wettest month of the year in Sandakan with around 435mm 17.1 inches of rain making it a very wet time to visit. This rainfall is typically spread over 26 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.6 hours of sunshine per day.
December temperatures in Sandakan
December rainfall
December hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Sandakan in December 2025.
Other monthly averages
Best places to visit in December
Sandakan weather stats
| Hottest month: | May | 32.3°C 90.1°F |
|---|---|---|
| Driest month: | April | 120mm 4.7ins |
| Sunniest month: | April | 8.6hrs |
| Coldest month: | January | 29.2°C 84.6°F |
| Wettest month: | January | 443mm 17.4ins |
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