Average annual temperature is 26.7 °C
Absolute maximum temperature: 42.3 °C
Absolute minimum temperature: 12.0 °C
Number of sunny days: 182 days
Number of rainy days: 183 days
Look at detailed online map of Lanka
* Weather data for Lanka 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 | 36.2 | 37.6 | 41.4 | 42.3 | 42.2 | 34.9 | 33.1 | 32.8 | 35.3 | 35.0 | 34.1 |
| Average daytime temperature (°C) | 30.8 | 34.0 | 33.9 | 36.5 | 37.6 | 37.0 | 29.9 | 30.9 | 30.0 | 32.8 | 32.8 | 29.9 |
| Average temperature (°C) | 23.2 | 25.3 | 26.8 | 29.3 | 30.7 | 31.0 | 26.2 | 26.5 | 26.0 | 26.4 | 26.1 | 22.9 |
| Average night temperature (°C) | 16.9 | 17.8 | 21.2 | 23.5 | 25.0 | 26.1 | 23.9 | 23.6 | 23.6 | 20.8 | 21.1 | 16.9 |
| Absolute minimum temperature (°C) | 12.2 | 15.0 | 17.6 | 20.8 | 21.4 | 23.5 | 23.1 | 22.5 | 22.9 | 16.2 | 19.6 | 12.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.0 | 13.3 | 13.2 | 12.8 | 12.2 | 11.7 | 11.2 | 11.0 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 10.2 | 10.5 | 10.2 | 9.8 | 10.2 | 9.3 | 4.8 | 7.5 | 6.1 | 10.5 | 10.0 | 9.2 |
| Precipitation (mm) | 1 | 0 | 87 | 88 | 63 | 168 | 886 | 286 | 471 | 45 | 19 | 57 |
| Sunny days | 28 | 28 | 18 | 16 | 11 | 13 | 0 | 0 | 1 | 22 | 18 | 27 |
| Rainy days | 3 | 0 | 13 | 14 | 20 | 17 | 31 | 31 | 29 | 9 | 12 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Lanka is at