Chennai
India
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 37 | 35 | 32 | 28 | 27 | 31 | 35 | 37 | 38 | 37 | 38 | 37 | 38 |
| Average high, °C | 26 | 25 | 22 | 19 | 19 | 20 | 23 | 24 | 25 | 25 | 26 | 26 | 23 |
| Average temperature, °C | 22 | 20 | 17 | 14 | 12 | 14 | 17 | 19 | 21 | 22 | 22 | 22 | 18 |
| Average low, °C | 19 | 16 | 11 | 8 | 6 | 8 | 11 | 14 | 16 | 19 | 19 | 19 | 14 |
| Record low, °C | 19 | 15 | 9 | 4 | 3 | 2 | 7 | 12 | 16 | 18 | 20 | 20 | 2 |
| Rain, days | 10 | 6 | 2 | 1 | 2 | 4 | 6 | 7 | 9 | 16 | 17 | 16 | 96 |
| Average precipitation, mm. | 232 | 142 | 34 | 9 | 14 | 31 | 66 | 131 | 240 | 404 | 394 | 335 | 2033 |
| Relative humidity, % | 87 | 85 | 86 | 87 | 83 | 77 | 75 | 75 | 83 | 85 | 83 | 85 | 83 |
| Day Length, часов | 13 | 12 | 11 | 11 | 11 | 12 | 12 | 13 | 14 | 14 | 14 | 13 | 13 |
| Dew point, °C | 25 | 22 | 17 | 13 | 12 | 12 | 16 | 18 | 22 | 25 | 25 | 25 | 232 |
| Growing degree-day, °C | 16 | 15 | 12 | 9 | 9 | 12 | 16 | 19 | 21 | 19 | 16 | 16 | 179 |
| Solar radiation, global, Mj/m2 | 14 | 15 | 15 | 14 | 14 | 16 | 17 | 18 | 17 | 15 | 14 | 15 | 15 |