The weather in December in Chennai

It's hot in December in Chennai with an average temperature of 30°C. Temperatures this month range from a low of 30°C to a high of 31°C. At night, you can expect temperatures between 22°C and 25°C.

Looking for sun? December isn’t a good month to be in Chennai. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Chennai, India. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 34°C in 2015, Chennai reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 25°C in 2023. The extreme nighttime temperatures ranged from a lowest recorded value of 19°C to a highest value of 27°C.

Water temperature

The water temperature at Chennai is 27°C this month. Nice and warm for a swim.

Rainfall amount

In December, there is an average of 333 mm of precipitation, spread over 15 days. The wind speed is around 4 Bft, mostly coming from the Northeast.

Daily weather in December for Chennai

Click on any day in December to get detailed info about the usual weather on that day in Chennai. Check out the historical temperatures and precipitation over the past 10 years on this day.

December weather comparison

  Chennai New York
Average temperature 30°C 9°C
Max. temperature 31°C 12°C
Min. temperature 22°C -5°C
Total precipitation 333 mm 133 mm
Rainy days 15 days 17 days

Start of December

The month of December starts in Chennai with hot temps, averaging around 31°C during the day and nights around 25°C.

Mid December

By mid-December, daytime temps stay steady at around 31°C, with nights around 24°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of December

By the end of December, the average daytime temperature in Chennai is around 31°C, while nighttime temps are about 24°C. A shower might pop up, but overall, the weather will be dry and sunny.

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UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

The hurricane season in Chennai runs from June to November.

Check out the climate of Chennai for all months and discover the best travel time

Curious about the weather in other parts of India? Check out the climate and weather for spots like Delhi, Goā, Kolkata, or explore other destinations in India.

Temperature charts

These charts show the average temperatures in December in Chennai, India. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in December in Chennai

Temperature in December in Chennai over the years

Precipitation charts

These charts show the average amount of precipitation in December in Chennai, India. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in December in Chennai

Total precipitation in December in Chennai over the years

Daily UV index in December in Chennai

This chart shows the average daily UV index in December in Chennai, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in December in Chennai

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Average weather in Chennai by month

Click on a month below to see detailed weather info for Chennai. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.