Chennai
December
Weather in Chennai for December 2025
Your guide to Chennai weather in December - trends and predictions
In general, the average temperature in Chennai at the beginning of December is 27.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 27.3 °C by the end of December.
Chennai experiences moderate rainfall in December, with an average of 10 rainy days and a total precipitation of 283.7 mm.
Temperatures
Rain 🌧️
21
Dry days
10
Rainy days
0
Snow days
27°/24°
Temperatures
24 km/h
Avg max wind
74 %
Avg humidity
Chennai in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  28° | 2 26° | 3  27° | 4  27° | 5 29° | 6  29° | 7 29° |
| 8 28° | 9 28° | 10 28° | 11 28° | 12  27° | 13 27° | 14  27° |
| 15 26° | 16 27° | 17 25° | 18 25° | 19 27° | 20 28° | 21 28° |
| 22 27° | 23 27° | 24  27° | 25 27° | 26 27° | 27 28° | 28 28° |
| 29 27° | 30 27° | 31 27° |
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Temperatures trend during December in Chennai
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. | Light rain shower | 28° /24° | 20.4 mm | 6 | |
| 2 Dec. | Light rain shower | 26° /25° | 24.5 mm | 6 | |
| 3 Dec. | Torrential rain shower | 27° /24° | 45.5 mm | 6 | |
| 4 Dec. | Moderate or heavy rain shower | 27° /24° | 153.2 mm | 6 | |
| 5 Dec. | Patchy rain possible | 29° /24° | 2.6 mm | 6 | |
| 6 Dec. | Patchy light rain with thunder | 29° /25° | 2 mm | 6 | |
| 7 Dec. | Patchy rain possible | 29° /25° | 7.4 mm | 6 | |
| 8 Dec. | Patchy rain possible | 28° /25° | 0.9 mm | 6 | |
| 9 Dec. | Patchy rain possible | 28° /25° | 3.1 mm | 6 | |
| 10 Dec. | Light rain shower | 28° /25° | 0.8 mm | 6 | |
| 11 Dec. | Patchy rain possible | 28° /25° | 9.9 mm | 6 | |
| 12 Dec. | Partly cloudy | 27° /24° | 21.8 mm | 7 | |
| 13 Dec. | Patchy rain possible | 27° /24° | 0.1 mm | 6 | |
| 14 Dec. | Cloudy | 27° /24° | 0.1 mm | 6 | |
| 15 Dec. | Light rain shower | 26° /24° | 6.8 mm | 6 | |
| 16 Dec. | Light rain shower | 27° /23° | 3.2 mm | 7 | |
| 17 Dec. | Patchy rain possible | 25° /23° | 2.7 mm | 6 | |
| 18 Dec. | Patchy rain possible | 25° /22° | 17.4 mm | 6 | |
| 19 Dec. | Patchy rain possible | 27° /23° | 4.9 mm | 6 | |
| 20 Dec. | Patchy rain possible | 28° /24° | 0.5 mm | 6 | |
| 21 Dec. | Patchy rain possible | 28° /23° | 0.1 mm | 6 | |
| 22 Dec. | Partly cloudy | 27° /24° | 0 mm | 7 | |
| 23 Dec. | Patchy rain possible | 27° /23° | 0.1 mm | 6 | |
| 24 Dec. | Overcast | 27° /23° | 2.3 mm | 6 | |
| 25 Dec. | Patchy rain possible | 27° /23° | 1.5 mm | 6 | |
| 26 Dec. | Patchy rain possible | 27° /24° | 7.9 mm | 6 | |
| 27 Dec. | Patchy rain possible | 28° /24° | 5 mm | 6 | |
| 28 Dec. | Patchy rain possible | 28° /24° | 0.4 mm | 6 | |
| 29 Dec. | Patchy rain possible | 27° /24° | 0.2 mm | 6 | |
| 30 Dec. | Partly cloudy | 27° /24° | 0.2 mm | 7 | |
| 31 Dec. | Patchy rain possible | 27° /23° | 0.3 mm | 6 | |
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Important Notice
Our weather forecast for Chennai in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Chennai forecast closer to your planned date for the most up-to-date weather information.
Chennai in December - FAQ
What are the expected maximum and minimum temperatures in Chennai during December?
During December, expect a variety of temperatures with highs around 27° and lows near 24°, suitable for diverse activities and preferences.
How much rainfall should be expected in Chennai during December?
Significant rainfall exceeding 283.7 mm is expected in Chennai during December, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Chennai during December?
The average wind speed in Chennai during December is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Chennai
Explore the daily rainfall trends and prepare for Chennais December weather 💧
UV exposure in Chennai during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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