Average annual temperature is 26.1 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: 14.4 °C
Number of sunny days: 122 days
Number of rainy days: 243 days
Look at detailed online map of Pettanūr
* Weather data for Pettanūr 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) | 30.1 | 33.1 | 37.2 | 37.7 | 36.9 | 37.7 | 34.2 | 36.1 | 33.6 | 34.5 | 31.3 | 31.1 |
| Average daytime temperature (°C) | 27.1 | 30.5 | 33.5 | 35.5 | 34.2 | 34.4 | 32.0 | 34.7 | 31.9 | 32.1 | 29.1 | 28.6 |
| Average temperature (°C) | 21.2 | 23.4 | 26.4 | 28.7 | 28.2 | 28.5 | 27.1 | 28.6 | 26.7 | 26.5 | 24.2 | 23.7 |
| Average night temperature (°C) | 16.3 | 17.4 | 20.2 | 22.4 | 23.6 | 24.1 | 23.5 | 23.8 | 23.1 | 21.8 | 20.9 | 19.9 |
| Absolute minimum temperature (°C) | 14.4 | 15.9 | 16.1 | 19.7 | 21.8 | 23.1 | 22.3 | 22.5 | 22.3 | 19.5 | 18.7 | 17.3 |
| 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) | 11.5 | 11.7 | 12.1 | 12.4 | 12.7 | 12.8 | 12.8 | 12.5 | 12.2 | 11.9 | 11.6 | 11.4 |
| 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) | 9.6 | 10.3 | 11.1 | 11.2 | 10.0 | 9.4 | 8.2 | 10.7 | 9.8 | 10.5 | 8.7 | 8.0 |
| Precipitation (mm) | 5 | 3 | 18 | 21 | 172 | 50 | 80 | 95 | 149 | 94 | 149 | 37 |
| Sunny days | 20 | 26 | 14 | 17 | 9 | 3 | 5 | 11 | 2 | 6 | 2 | 7 |
| Rainy days | 11 | 2 | 17 | 13 | 22 | 27 | 26 | 20 | 28 | 25 | 28 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Pettanūr is at