Chennai, India Weather
Chennai hourly forecast: next 24 hours
Today's high of 95°F (35°C) is about 3°F (2°C) above the typical August high of 92°F (33°C).
Current conditions in detail
Chennai weather tomorrow (Friday, August 14)
Tomorrow in Chennai looks sunny, with a high of 94° and an overnight low of 84°. Precipitation chance is modest at 36%. Winds top out near 17 mph, and the UV index reaches 11 (extreme).
Chennai 14-day forecast
About the weather in Chennai
Chennai has a tropical wet-and-dry climate, marked by year-round warmth split between a rainy season and a pronounced dry season. Average daytime highs range from about 82°F (28°C) in January to around 95°F (35°C) in May, and the city records roughly 138 days of measurable precipitation a year.
Chennai weather: quick facts
- Hottest month: May - highs near 95°F (35°C)
- Coldest month: January - highs near 82°F (28°C)
- Record high: 108°F (42°C) · Record low: 62°F (17°C) (2015–2024)
- Wettest month: November (21 rainy days) · Sunniest: March (11.6 h sun/day)
- Climate type: tropical wet-and-dry - year-round warmth split between a rainy season and a pronounced dry season
Temperatures through the year
The warmest stretch of the year centers on May. Highs average 95°F (35°C) and overnight lows stay near 82°F (28°C). The coolest month is January, with typical highs of 82°F (28°C) and lows around 72°F (22°C). Based on 2015–2024 weather data, temperatures have reached as high as 108°F (42°C) and dropped as low as 62°F (17°C).
Rain, sun and snow
November is usually the wettest month. It brings about 14.0 inches (356 mm) of rain over 21 days, while February is the driest. March brings the most sunshine, averaging 11.6 hours of sun a day.
Season by season
March through May
March through May in Chennai brings serious heat, with daytime highs averaging 92°F (34°C) and nights around 79°F (26°C); rain falls on about 10 days over the three months. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
June through August
June through August in Chennai is intensely hot, with daytime highs averaging 93°F (34°C) and nights around 81°F (27°C); expect showers on roughly 48 days across the season.
September through November
September through November in Chennai brings hot afternoons, with daytime highs averaging 87°F (31°C) and nights around 77°F (25°C); expect showers on roughly 61 days across the season.
December through February
December through February in Chennai runs hot, with daytime highs averaging 83°F (29°C) and nights around 72°F (22°C); expect showers on roughly 20 days across the season.
Average temperatures in Chennai by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 82° | 72° | 6 | 1.1 in | 10.4 h/day | 75% |
| February | 85° | 72° | 1 | 0.2 in | 11.3 h/day | 74% |
| March | 89° | 75° | 2 | 0.4 in | 11.6 h/day | 75% |
| April | 93° | 80° | 3 | 0.5 in | 11.6 h/day | 76% |
| May | 95° | 82° | 6 | 3.2 in | 10.8 h/day | 72% |
| June | 95° | 82° | 12 | 2.7 in | 9.6 h/day | 67% |
| July | 93° | 80° | 17 | 4.4 in | 8.6 h/day | 69% |
| August | 92° | 79° | 19 | 5.3 in | 9.0 h/day | 73% |
| September | 90° | 79° | 20 | 5.6 in | 9.1 h/day | 77% |
| October | 88° | 77° | 20 | 7.4 in | 9.5 h/day | 80% |
| November | 83° | 75° | 21 | 14.0 in | 8.1 h/day | 83% |
| December | 82° | 74° | 12 | 6.9 in | 9.5 h/day | 79% |