Average annual temperature is 28.6 °C
Absolute maximum temperature: 42.2 °C
Absolute minimum temperature: 17.9 °C
Number of sunny days: 88 days
Number of rainy days: 277 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) | 33.4 | 34.8 | 37.8 | 40.6 | 40.3 | 41.5 | 40.5 | 42.2 | 37.9 | 37.1 | 32.6 | 32.8 |
| Average daytime temperature (°C) | 30.6 | 31.9 | 34.6 | 37.0 | 36.2 | 38.8 | 37.4 | 38.2 | 35.6 | 33.6 | 30.5 | 29.7 |
| Average temperature (°C) | 25.2 | 25.6 | 28.6 | 30.3 | 30.1 | 31.7 | 31.0 | 30.8 | 29.6 | 28.3 | 26.1 | 26.2 |
| Average night temperature (°C) | 20.7 | 20.5 | 23.7 | 25.3 | 26.0 | 27.3 | 26.7 | 26.4 | 25.8 | 24.5 | 23.3 | 23.3 |
| Absolute minimum temperature (°C) | 18.5 | 17.9 | 21.0 | 24.1 | 23.8 | 25.5 | 24.5 | 24.1 | 24.2 | 23.0 | 22.7 | 21.7 |
| 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 | 12.3 | 12.6 | 12.7 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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) | 10.1 | 10.1 | 11.2 | 11.2 | 9.5 | 10.0 | 9.0 | 11.2 | 10.5 | 10.0 | 7.9 | 8.1 |
| Precipitation (mm) | 11 | 42 | 32 | 35 | 105 | 51 | 50 | 118 | 128 | 252 | 390 | 176 |
| Sunny days | 20 | 22 | 11 | 12 | 8 | 3 | 4 | 2 | 0 | 1 | 1 | 4 |
| Rainy days | 11 | 6 | 20 | 18 | 23 | 27 | 27 | 29 | 30 | 30 | 29 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Visvanāthapuram is at