Average annual temperature is 27.4 °C
Absolute maximum temperature: 40.2 °C
Absolute minimum temperature: 20.4 °C
Number of sunny days: 99 days
Number of rainy days: 266 days
Look at detailed online map of Chāttanūr
* Weather data for Chāttanūr 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) | 35.5 | 39.2 | 39.2 | 40.2 | 35.7 | 32.1 | 30.6 | 32.5 | 33.3 | 32.7 | 33.1 | 35.5 |
| Average daytime temperature (°C) | 34.1 | 37.4 | 37.0 | 36.6 | 32.7 | 30.1 | 28.6 | 30.9 | 29.1 | 30.8 | 31.5 | 32.6 |
| Average temperature (°C) | 27.3 | 28.6 | 29.7 | 29.5 | 28.1 | 26.5 | 25.4 | 26.9 | 25.4 | 26.2 | 26.8 | 28.1 |
| Average night temperature (°C) | 22.5 | 22.5 | 24.3 | 24.9 | 24.8 | 23.9 | 23.2 | 23.9 | 23.1 | 23.1 | 23.3 | 24.1 |
| Absolute minimum temperature (°C) | 20.4 | 21.0 | 22.0 | 23.5 | 23.3 | 22.6 | 22.0 | 22.5 | 22.3 | 22.1 | 21.3 | 22.6 |
| 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) | 10.4 | 10.7 | 11.0 | 11.1 | 8.3 | 7.7 | 6.6 | 11.1 | 7.0 | 9.3 | 9.0 | 9.5 |
| Precipitation (mm) | 7 | 2 | 31 | 209 | 220 | 425 | 527 | 66 | 718 | 390 | 239 | 46 |
| Sunny days | 24 | 25 | 17 | 4 | 0 | 0 | 0 | 3 | 0 | 3 | 8 | 15 |
| Rainy days | 7 | 3 | 14 | 26 | 31 | 30 | 31 | 28 | 30 | 28 | 22 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Chāttanūr is at