Monthly climate averages for Chennai, India. Based on 10-year ERA5 reanalysis data.
Am Tropical Monsoon
Climate OverviewChennai, India in January has hot conditions, with highs reaching 28.1°C (83°F) and afternoons the warmest part of the day. Sea temperature reaches 26.9°C (80°F).
This month falls at the middle of Winter.
Temperatures remain fairly steady throughout January, with daily highs around 28°C (82°F).
Rainfall is heaviest during the first third of the month, while the last third tends to be drier.
The warmest days tend to fall around the 31th, averaging 28.9°C (84°F).
Compared to December, this month is about 0°C cooler with 5 fewer rainy days.
Daily averages based on historical data (2016–2025)
Daytime temperatures around 28°C (83°F) are ideal for full-day outdoor exploration.
Rain is uncommon in this month, so most days stay dry from morning through evening.
Recent yearly records for January have stayed close to the long-run average.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 28°C / 21°C | 31°C / 24°C | 5days (29 mm) Good | 9.9h Good | 76% Humid | 6.7 High | Excellent | View Details |
| February best | 30°C / 21°C | 33°C / 24°C | 1days (5 mm) Excellent | 10.5h Excellent | 74% Muggy | 8.2 Very High | Excellent | View Details |
| March | 33°C / 24°C | 37°C / 28°C | 1days (7 mm) Excellent | 11h Excellent | 74% Muggy | 9 Very High | Fair | View Details |
| April | 35°C / 26°C | 40°C / 32°C | 2days (6 mm) Excellent | 11.2h Excellent | 73% Muggy | 9.2 Very High | Poor | View Details |
| May | 36°C / 28°C | 41°C / 32°C | 5days (69 mm) Good | 10.5h Excellent | 70% Muggy | 8.2 Very High | Poor | View Details |
| June | 35°C / 28°C | 40°C / 31°C | 13days (71 mm) Wet | 9.3h Good | 66% Muggy | 7.7 Very High | Poor | View Details |
| July | 33°C / 27°C | 38°C / 30°C | 16days (108 mm) Wet | 8h Good | 68% Muggy | 7 High | Poor | View Details |
| August | 33°C / 26°C | 38°C / 30°C | 17days (106 mm) Wet | 8.5h Good | 72% Muggy | 7.7 Very High | Poor | View Details |
| September | 32°C / 26°C | 38°C / 30°C | 16days (104 mm) Wet | 8.8h Good | 75% Muggy | 8.3 Very High | Poor | View Details |
| October | 31°C / 25°C | 36°C / 29°C | 19days (172 mm) Wet | 9.2h Good | 80% Humid | 7.6 Very High | Wet | View Details |
| November | 29°C / 24°C | 32°C / 27°C | 19days (313 mm) Wet | 8.1h Good | 83% Humid | 6.3 High | Wet | View Details |
| December best | 28°C / 23°C | 30°C / 25°C | 10days (148 mm) Wet | 9.1h Good | 79% Humid | 6.1 High | Excellent | View Details |
Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.
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