Average annual temperature is 28.0 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: 17.7 °C
Number of sunny days: 87 days
Number of rainy days: 278 days
Look at detailed online map of Koothanallur
* Weather data for Koothanallur India is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.3 | 32.7 | 36.8 | 38.8 | 38.9 | 39.9 | 38.4 | 39.4 | 35.4 | 36.1 | 31.4 | 33.0 |
| Average daytime temperature (°C) | 29.2 | 30.3 | 33.4 | 35.9 | 35.4 | 36.7 | 35.5 | 36.4 | 33.8 | 32.9 | 29.2 | 28.9 |
| Average temperature (°C) | 24.3 | 24.5 | 27.7 | 29.8 | 30.0 | 30.7 | 30.0 | 30.1 | 28.8 | 27.9 | 25.7 | 25.7 |
| Average night temperature (°C) | 20.3 | 20.0 | 23.1 | 25.0 | 26.2 | 27.1 | 26.6 | 26.3 | 25.7 | 24.3 | 23.2 | 23.2 |
| Absolute minimum temperature (°C) | 17.7 | 17.8 | 20.7 | 22.6 | 23.8 | 25.0 | 24.8 | 24.4 | 23.9 | 22.9 | 20.9 | 21.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.7 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.9 | 10.0 | 11.0 | 11.2 | 9.5 | 9.7 | 8.0 | 11.0 | 10.0 | 10.3 | 6.7 | 7.6 |
| Precipitation (mm) | 12 | 58 | 43 | 44 | 94 | 114 | 53 | 116 | 144 | 247 | 518 | 132 |
| Sunny days | 16 | 20 | 11 | 12 | 11 | 6 | 4 | 4 | 0 | 1 | 0 | 2 |
| Rainy days | 15 | 8 | 20 | 18 | 20 | 24 | 27 | 27 | 30 | 30 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koothanallur is at