Chennai
India
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 38 | 33 | 26 | 23 | 30 | 20 | 27 | 32 | 38 | 41 | 41 | 37 | 41 |
| Average high, °C | 33 | 31 | 25 | 19 | 17 | 19 | 24 | 30 | 36 | 39 | 35 | 33 | 29 |
| Average temperature, °C | 27 | 23 | 17 | 12 | 10 | 13 | 17 | 23 | 28 | 31 | 30 | 29 | 22 |
| Average low, °C | 21 | 15 | 9 | 5 | 4 | 6 | 11 | 16 | 20 | 24 | 25 | 24 | 15 |
| Record low, °C | 4 | -1 | -10 | -11 | -14 | -20 | -5 | 0 | 2 | 7 | 6 | 10 | -20 |
| Rain, days | 3 | 3 | 1 | 3 | 6 | 6 | 7 | 8 | 5 | 3 | 5 | 5 | 55 |
| Average precipitation, mm. | 91 | 22 | 12 | 29 | 61 | 66 | 68 | 55 | 36 | 65 | 217 | 225 | 947 |
| Relative humidity, % | 70 | 75 | 79 | 83 | 84 | 77 | 77 | 72 | 67 | 60 | 65 | 72 | 73 |
| Day Length, часов | 13 | 12 | 11 | 10 | 11 | 11 | 12 | 14 | 14 | 15 | 15 | 14 | 13 |
| Dew point, °C | 18 | 12 | 6 | 2 | -1 | 1 | 6 | 11 | 14 | 17 | 21 | 21 | 128 |
| Growing degree-day, °C | 19 | 15 | 9 | 4 | 2 | 4 | 9 | 15 | 20 | 23 | 21 | 20 | 161 |
| Solar radiation, global, Mj/m2 | 19 | 16 | 13 | 9 | 10 | 12 | 15 | 19 | 22 | 24 | 22 | 20 | 17 |