Average annual temperature is 28.1 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: 17.3 °C
Number of sunny days: 122 days
Number of rainy days: 243 days
Look at detailed online map of Ariyalur
* Weather data for Ariyalur 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) | 30.0 | 34.1 | 36.5 | 39.8 | 39.8 | 40.5 | 39.2 | 40.5 | 37.0 | 35.9 | 31.5 | 32.4 |
| Average daytime temperature (°C) | 29.0 | 31.0 | 33.8 | 36.6 | 36.2 | 36.8 | 36.2 | 37.1 | 34.2 | 33.1 | 29.3 | 28.7 |
| Average temperature (°C) | 24.1 | 24.7 | 27.7 | 29.9 | 30.4 | 31.1 | 30.6 | 30.9 | 29.0 | 28.0 | 25.5 | 25.3 |
| Average night temperature (°C) | 19.9 | 19.8 | 22.9 | 24.6 | 25.9 | 27.1 | 26.4 | 26.1 | 25.6 | 24.1 | 23.0 | 22.5 |
| Absolute minimum temperature (°C) | 17.4 | 17.3 | 20.5 | 22.0 | 23.7 | 25.2 | 24.1 | 24.4 | 24.1 | 22.9 | 20.7 | 20.0 |
| 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 | 9.7 | 10.9 | 10.8 | 9.5 | 9.6 | 7.7 | 10.7 | 9.6 | 10.3 | 7.0 | 7.5 |
| Precipitation (mm) | 7 | 51 | 39 | 40 | 85 | 70 | 49 | 122 | 113 | 192 | 407 | 97 |
| Sunny days | 18 | 23 | 13 | 15 | 17 | 9 | 9 | 10 | 1 | 3 | 1 | 3 |
| Rainy days | 13 | 5 | 18 | 15 | 14 | 21 | 22 | 21 | 29 | 28 | 29 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ariyalur is at