Chennai Weather in December
Chennai in December sees high daytime temperatures of 29°C (84°F) and nighttime lows of 24°C (75°F). Rainfall is fairly high this month at around 119 mm (4.7 in), so pack a rain jacket to stay dry.
Rainfall in Chennai in December
Climate statistics over the past 30 years suggest around 6 days of rain, with 119 mm (4.7 in) average for the month. Showers tend to be short but heavy rather than persistent drizzle. When it rains, it usually means it, but it doesn't last long.
Temperature in Chennai in December
December in Chennai brings high temperatures, with highs of 29°C (84°F) and nights around 24°C (75°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights are warm at 24°C (75°F). It's worth making sure your accommodation has decent ventilation or air conditioning. Enjoy the mildest temperatures of the year, while still enjoying warm and pleasant days.
Sunshine in Chennai in December
The month enjoys around 210 hours of sunshine, creating mostly sunny days with good weather conditions.If you prefer enjoying temperate temperatures and rain-free days, January typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit India, check out our Chennai's climate page.
Chennai Temperature in December
Min Temperature
24°C (75°F)
Max Temperature
29°C (84°F)
Chance of Rain
18%
Precipitation
119 mm (4.7 in)
Rainy days
6 days
Humidity
71%
Sunshine
210 hours
Percentage Sunshine
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Chennai typically stay consistent throughout December, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in December
Daily Historical Precipitation
48-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Chennai in December
Browse day-by-day weather records for Chennai spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Chennai historical weather extremes in December
Based on weather observations in Chennai between 2001 and 2025, these are the recorded extremes during December.
- The warmest day in December was on December 21, 2015, with a maximum of 34°C (93°F).
- Chennai experienced its chilliest December day on December 6, 2010, reaching only 23°C (73°F).
- The coldest night in December in Chennai was on December 5, 2025, with a minimum of 19°C (66°F).
Best Places in India in December
Find out more about the weather in India and which places have the best travel conditions in this month. See all of India in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Chennai in December
Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Chennai in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit India, check out our Chennai's climate page.
Temperature Rainfall Sunshine Humidity
See the full Chennai climate overview or explore weather in India.
