Average annual temperature is 28.0 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: 16.7 °C
Number of sunny days: 99 days
Number of rainy days: 266 days
Look at detailed online map of Visvanāthapuram
* Weather data for Visvanāthapuram 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) | 29.9 | 32.9 | 36.2 | 38.6 | 38.8 | 39.6 | 38.6 | 39.7 | 36.6 | 36.4 | 31.7 | 33.1 |
| Average daytime temperature (°C) | 28.9 | 30.6 | 33.4 | 35.8 | 35.8 | 36.3 | 35.5 | 36.8 | 34.8 | 33.5 | 29.4 | 28.9 |
| Average temperature (°C) | 24.0 | 24.4 | 27.4 | 29.3 | 30.2 | 30.9 | 30.3 | 30.6 | 29.2 | 28.1 | 25.6 | 25.5 |
| Average night temperature (°C) | 20.1 | 19.8 | 22.9 | 24.4 | 26.1 | 27.1 | 26.5 | 26.2 | 25.8 | 24.2 | 23.1 | 22.8 |
| Absolute minimum temperature (°C) | 16.7 | 17.3 | 20.6 | 22.2 | 23.6 | 25.2 | 24.4 | 24.3 | 23.9 | 22.8 | 20.7 | 20.6 |
| 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 | 9.8 | 10.9 | 10.9 | 9.4 | 9.7 | 7.8 | 10.8 | 10.0 | 10.4 | 7.1 | 7.5 |
| Precipitation (mm) | 10 | 59 | 55 | 41 | 78 | 48 | 75 | 104 | 158 | 233 | 583 | 131 |
| Sunny days | 16 | 17 | 9 | 12 | 13 | 8 | 8 | 9 | 2 | 3 | 0 | 2 |
| Rainy days | 15 | 11 | 22 | 18 | 18 | 22 | 23 | 22 | 28 | 28 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Visvanāthapuram is at