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Chennai in December: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Chennai in December will be like? Take a look at our weather guide for Chennai, based on historical data.
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December

Weather in Chennai in December 2024

OK Weather
Warm
☁️
Cloudy
If you plan to visit Chennai in December, the weather is typically alright, with an average high temperature of +81°F during the day and approximately 3 sunny days. Expect some rainy, though, as there are typically 13 rainy days in the month and around 109 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+81°F
Avg. max. temperature
+68°F
Min.
+88°F
Max.
109 mm
Total precipitation
79%
Avg. humidity
3 m/s
Avg. wind
3 ☀️
Sunny Days
15 ⛅️
Cloudy
13 🌦
Rainy
Our opinion: Chennai has OK weather in December.

Average temperature in Chennai in December

Here are the expected maximum, average and minimum temperatures in Chennai for December based on the historical data.
Last Year
Historical Data

Going from a maximum of +84°F during the day to a minimum of +75°F during the night, the temperature in December averages around +81°F.

The average maximum temperature goes down 20% by the end of the month, compared with the beginning of the month, from +82°F to +81°F.

Is Chennai warm or cold in December?

Chennai is typically warm in December.

Maximum temperatures go down compared to the previous month from +82°F to +81°F. The minimum temperature also goes down from +77°F to +75°F.

It’s generally warm, but pack a long-sleeve shirt for evenings.

December is one of the coolest months in Chennai, here is the comparison with other months:

Climate in Chennai in December

Chennai weather looks like this, on average, in December and the surrounding months.
NovemberDecemberJanuary
Avg. temperature
+82°F+81°F+81°F
Min. temperature
+70°F+68°F+66°F
Max. temperature
+93°F+88°F+88°F
Rainfall
217 mm109 mm17 mm
Wind
2 m/s3 m/s2 m/s
Humidity
82%79%77%
Air pressure
1010 HPa1012 HPa1013 HPa
Sunny days
337
Cloudy days
71518
Rainy days
19136
Snowy days
000

December weather is still as ok as in November. It’s getting colder in December. From +82°F in the day, the average maximum temperature lowers to +81°F. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 217 mm to 109 mm. It feels drier, as humidity decreases from 82% to 79%. Winds are stronger in comparison to November, going up from 2 m/s to 3 m/s on average. The amount of sunny days stay about the same, averaging 3 sunny days during the month.

But maybe it is worth considering traveling in January as the weather gets better.

Wind

Wind speed in Chennai in December based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Chennai is gradually decreasing during December, going from 3 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during December in Chennai based on historical data.
Last Year
Historical Data
Typically, there is a 26% chance of rain on an average day in December, with total rainfall of approximately 288 mm. The maximum amount of rainfall per day is around 195 mm, which is considered heavy rain. On average, there are about 8 rainy days during December, so prepare to bring an umbrella.
December is one of the rainiest months in Chennai, here is a comparison with other months, total mm:
Chennai wettest month is November, where a typical day has a 63% chance of precipitation and 217 mm of rainfall per day. March, on the other hand, is the driest month with a mere 13% chance of precipitation and 9 mm of rainfall per day.

How was the weather last December in Chennai?

This is the weather in Chennai in December 2023:
1 December
🌫️
+83°F
2 December
🌫️
+80°F
3 December
🌫️
+81°F
4 December
🌧️
+79°F
5 December
🌫️
+85°F
6 December
🌫️
+84°F
7 December
🌫️
+83°F
8 December
🌫️
+82°F
9 December
🌫️
+83°F
10 December
🌫️
+83°F
11 December
🌫️
+82°F
12 December
🌫️
+82°F
13 December
🌫️
+82°F
14 December
🌫️
+82°F
15 December
🌫️
+80°F
16 December
🌫️
+82°F
17 December
🌫️
+82°F
18 December
🌫️
+80°F
19 December
🌫️
+81°F
20 December
🌫️
+81°F
21 December
🌫️
+80°F
22 December
🌫️
+80°F
23 December
🌫️
+80°F
24 December
🌫️
+81°F
25 December
🌫️
+80°F
26 December
🌫️
+81°F
27 December
🌫️
+81°F
28 December
🌫️
+81°F
29 December
🌫️
+81°F
30 December
🌫️
+81°F
31 December
🌫️
+81°F
In December 2023 Chennai had 0 sunny days, 0 cloudy days, and 1 rainy days. The average maximum temperature was +81°F, with an absolute maximum of +84°F and a minimum of +79°F. The average humidity was 82%, with a maximum of 95% and a minimum of 64%. The average wind speed was 3 m/s, with a maximum of 13 m/s and a minimum of 0 m/s.
Are you planning a trip in December?

Climate Change Over the Years

This is how Chennai climate has changed over the last 43 years.

The climate in Chennai in December has not changed that much over the last 43 years.

The average temperature was the lowest in 1989 (+85°F) and the highest in 2019 (+91°F). The driest year was 1982 with only 445 mm of rainfall, and the wettest year was 1996 with 1545 mm.

FAQ

Frequently asked questions about the weather in Chennai in December:

Is December a good time to visit Chennai?

It’s always a good time to visit Chennai, but the weather is changeable in December, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Chennai in December?

December is warm in Chennai. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Chennai rainy in December?

Chennai is often rainy in December. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Chennai in December?

Usually, it’s not very sunny in Chennai in December, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in India

Check out the weather for other cities in India.

Monthly weather in Chennai

Source of the data

For this page, we’ve looked at the typical weather in Chennai, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.