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Chennai Weather in January
January in Chennai sees daytime temperatures around 29°C (84°F) and lows of 23°C (73°F) at night. The excellent weather makes it a good time to visit.
Rainfall in Chennai in January
The climate data from previous years indicates about a single day of rain, averaging 17 mm (0.7 in) for the month. On the rare occasion it does rain, the shower can be quite heavy given the low total spread across a single day.
Temperature in Chennai in January
Chennai in January is worth a visit. The temperature is excellent, with 29°C (84°F) during the day and 23°C (73°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 23°C (73°F) overnight, nights are warm enough to sit outside comfortably in light clothing.
Sunshine in Chennai in January
Expect a lot of sunshine this month, with about 230 hours of sun. These sunny conditions add to the overall experience.If you're a fan of comfortable temperatures and drier conditions, January is a great time to visit.
Chennai Temperature in January
Min Temperature
23°C (73°F)
Max Temperature
29°C (84°F)
Chance of Rain
4%
Precipitation
17 mm (0.7 in)
Rainy days
a single day
Humidity
67%
Sunshine
230 hours
Percentage Sunshine
Chennai Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Chennai - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2026)
Based on our historical records, temperatures in Chennai typically stay consistent throughout January, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 22°C (72°F).
Average temperatures in January
Daily Historical Precipitation
50-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather records for Chennai in January
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 January
Based on 28 years of weather observations (1997-2025), these are the most extreme conditions recorded in Chennai.
- On January 30, 2009, temperatures climbed to 33°C (91°F), marking the warmest January day on record.
- The coldest January day was on January 10, 1999, with a maximum of 22°C (72°F).
- The lowest overnight temperature recorded in January was 18°C (64°F) (January 16, 2012).
Best Places in India in January
Find out more about the weather in India and which places have the best travel conditions in this month. See all of India in January →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Chennai in January
Warm but pleasant conditions in Chennai in January. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Chennai in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping10/10 -
Outdoor sports8/10
Chennai 3-Day Forecast
More climate data for Chennai
Temperature Rainfall Sunshine Humidity
See the full Chennai climate overview or explore weather in India.
Popular in January
Where to go in January - average daytime high across popular destinations.
Hyderabad
30°C (86°F) Kochi
30°C (86°F) Bengaluru29°C (84°F) Mumbai29°C (84°F) Chennai
29°C (84°F) Jaipur23°C (73°F) New Delhi21°C (70°F) Gurugram21°C (70°F) Bucket list
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