Average annual temperature is 27.6 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: 22.0 °C
Number of sunny days: 116 days
Number of rainy days: 249 days
Look at detailed online map of Agastīswaram
* Weather data for Agastīswaram 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) | 34.1 | 34.0 | 34.5 | 35.3 | 36.7 | 35.3 | 34.4 | 36.1 | 32.2 | 31.1 | 31.8 | 31.0 |
| Average daytime temperature (°C) | 32.2 | 32.1 | 32.8 | 32.8 | 32.9 | 33.1 | 31.1 | 33.6 | 29.8 | 29.1 | 29.8 | 29.3 |
| Average temperature (°C) | 26.7 | 26.9 | 28.4 | 28.9 | 29.3 | 28.8 | 27.4 | 28.7 | 26.7 | 26.4 | 26.5 | 26.7 |
| Average night temperature (°C) | 23.5 | 23.4 | 24.9 | 25.7 | 26.5 | 25.9 | 24.8 | 25.3 | 24.4 | 24.1 | 24.1 | 24.7 |
| Absolute minimum temperature (°C) | 22.5 | 22.0 | 23.4 | 23.9 | 24.8 | 24.4 | 23.5 | 24.4 | 22.9 | 23.0 | 23.5 | 23.9 |
| 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.5 | 12.4 | 12.2 | 11.9 | 11.8 | 11.7 |
| 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) | 10.6 | 10.5 | 11.2 | 11.1 | 10.2 | 11.1 | 9.2 | 11.5 | 8.6 | 9.3 | 8.7 | 9.1 |
| Precipitation (mm) | 9 | 51 | 28 | 69 | 52 | 6 | 104 | 23 | 118 | 189 | 315 | 607 |
| Sunny days | 25 | 21 | 11 | 4 | 8 | 14 | 11 | 12 | 0 | 1 | 1 | 8 |
| Rainy days | 6 | 7 | 20 | 26 | 23 | 16 | 20 | 19 | 30 | 30 | 29 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Agastīswaram is at