Average annual temperature is 18.5 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: -1.5 °C
Number of sunny days: 185 days
Number of rainy days: 180 days
Look at detailed online map of Alāthu
* Weather data for Alāthu 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) | 21.4 | 25.9 | 25.4 | 31.8 | 34.9 | 32.5 | 32.5 | 31.1 | 32.1 | 30.3 | 25.3 | 21.0 |
| Average daytime temperature (°C) | 16.3 | 20.8 | 22.3 | 25.9 | 28.1 | 30.1 | 29.0 | 29.5 | 29.5 | 26.6 | 22.1 | 18.4 |
| Average temperature (°C) | 9.1 | 12.4 | 15.6 | 18.9 | 21.9 | 25.1 | 25.3 | 25.3 | 24.4 | 19.3 | 14.7 | 10.2 |
| Average night temperature (°C) | 2.2 | 4.4 | 8.3 | 10.8 | 14.4 | 19.3 | 22.0 | 21.2 | 19.1 | 12.1 | 8.2 | 3.2 |
| Absolute minimum temperature (°C) | -1.5 | -0.2 | 6.4 | 5.5 | 10.8 | 13.9 | 20.4 | 18.3 | 15.3 | 8.7 | 6.3 | 1.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.3 | 11.1 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.6 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.6 | 9.1 | 9.1 | 10.6 | 9.8 | 10.5 | 8.7 | 10.3 | 10.6 | 9.9 | 8.6 | 8.7 |
| Precipitation (mm) | 124 | 52 | 62 | 43 | 76 | 120 | 357 | 211 | 27 | 12 | 12 | 6 |
| Sunny days | 18 | 19 | 13 | 17 | 14 | 10 | 1 | 2 | 11 | 25 | 27 | 28 |
| Rainy days | 13 | 9 | 18 | 13 | 17 | 20 | 30 | 29 | 19 | 6 | 3 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Alāthu is at