The climate in Cao Lãnh during December can be summarized as hot, humid and a little damp.
December is in the winter in Cao Lãnh and is typically the coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 22°C (72°F) is normal.
| Daytime temperature | 29.9°C 85.7°F |
|---|---|
| Nightly temperature | 22°C 71.5°F |
| Average temperature | 25.9°C 78.6°F |
| Daily sunshine | 6.2 hrs |
| Avg rainfall | 90 mm 3.5 ins |
| Rainy days | 9 days |
| Sea temperature | 27°C 80.7°F |
| Humidity | 73% |
| Windspeed | 9.4kph 6 mph |
On average December is the 5th driest month of the year in Cao Lãnh with around 90mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.2 hours of sunshine per day.
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 Cao Lãnh in December 2025.
Best places to visit in December
| Hottest month: | April | 34.1°C 93.4°F |
|---|---|---|
| Driest month: | February | 17mm 0.7ins |
| Sunniest month: | February | 7.5hrs |
| Coldest month: | December | 29.7°C 85.5°F |
| Wettest month: | October | 261mm 10.3ins |