Average annual temperature is 28.1 °C
Absolute maximum temperature: 40.8 °C
Absolute minimum temperature: 17.8 °C
Number of sunny days: 94 days
Number of rainy days: 271 days
Look at detailed online map of Ammāchattram
* Weather data for Ammāchattram 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) | 30.7 | 34.1 | 37.3 | 39.8 | 39.5 | 40.8 | 38.7 | 39.4 | 36.2 | 35.6 | 31.6 | 33.2 |
| Average daytime temperature (°C) | 29.3 | 31.2 | 34.2 | 36.8 | 36.2 | 37.0 | 35.4 | 36.6 | 34.6 | 33.2 | 29.4 | 28.9 |
| Average temperature (°C) | 24.2 | 24.7 | 27.8 | 29.9 | 30.3 | 31.0 | 30.1 | 30.5 | 29.0 | 28.0 | 25.6 | 25.5 |
| Average night temperature (°C) | 20.2 | 20.0 | 23.1 | 24.8 | 26.0 | 27.0 | 26.4 | 26.1 | 25.7 | 24.1 | 23.0 | 22.8 |
| Absolute minimum temperature (°C) | 17.9 | 17.8 | 20.8 | 23.0 | 23.6 | 25.2 | 24.4 | 24.5 | 23.8 | 22.7 | 20.9 | 20.5 |
| 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 | 12.8 | 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) | 9.7 | 9.9 | 10.9 | 10.9 | 9.4 | 9.6 | 7.7 | 10.9 | 9.9 | 10.3 | 6.8 | 7.3 |
| Precipitation (mm) | 8 | 58 | 62 | 45 | 79 | 69 | 74 | 103 | 181 | 220 | 566 | 110 |
| Sunny days | 16 | 18 | 10 | 14 | 12 | 6 | 5 | 10 | 0 | 1 | 0 | 2 |
| Rainy days | 15 | 10 | 21 | 16 | 19 | 24 | 26 | 21 | 30 | 30 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ammāchattram is at