Nattam Weather in December
What's the weather like in Nattam (Tamil Nādu) in December 2025?
The climate in Nattam during December can be summarized as hot, humid and a little damp.
December is in the winter in Nattam and is typically the coldest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 21°C (69°F) is normal.
| Daytime temperature | 28°C 82.4°F |
|---|---|
| Nightly temperature | 20.6°C 69.1°F |
| Average temperature | 24.3°C 75.7°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 87 mm 3.4 ins |
| Rainy days | 4 days |
| Sea temperature | 27.6°C 81.7°F |
| Humidity | 78% |
| Windspeed | 13kph 8 mph |
On average December is the 6th wettest month of the year in Nattam with around 87mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
December temperatures in Nattam
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 Nattam in December 2025.
Other monthly averages
Best places to visit in December
Nattam weather stats
| Hottest month: | April | 33.4°C 92.1°F |
|---|---|---|
| Driest month: | February | 13mm 0.5ins |
| Sunniest month: | February | 9.1hrs |
| Coldest month: | December | 27.8°C 82°F |
| Wettest month: | October | 184mm 7.2ins |
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