Average annual temperature is 26.5 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: 18.4 °C
Number of sunny days: 64 days
Number of rainy days: 301 days
Look at detailed online map of Jayalanda
* Weather data for Jayalanda Sri Lanka is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 29.7 | 31.3 | 33.6 | 34.9 | 33.6 | 33.0 | 34.8 | 36.2 | 33.7 | 32.7 | 32.0 | 30.5 |
| Average daytime temperature (°C) | 28.4 | 29.5 | 31.7 | 33.2 | 31.3 | 31.7 | 31.5 | 34.2 | 31.1 | 30.8 | 30.0 | 29.1 |
| Average temperature (°C) | 24.0 | 25.0 | 26.6 | 27.4 | 27.3 | 27.7 | 27.5 | 28.5 | 26.6 | 25.9 | 25.4 | 25.4 |
| Average night temperature (°C) | 20.7 | 21.3 | 23.0 | 23.7 | 24.6 | 24.9 | 24.8 | 24.8 | 23.7 | 23.1 | 22.9 | 23.1 |
| Absolute minimum temperature (°C) | 18.4 | 19.2 | 21.7 | 22.2 | 23.2 | 23.7 | 23.5 | 23.8 | 22.6 | 22.2 | 22.0 | 22.2 |
| 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) | 9.2 | 9.8 | 10.7 | 10.2 | 9.0 | 10.4 | 9.5 | 11.0 | 9.1 | 8.5 | 7.4 | 7.7 |
| Precipitation (mm) | 89 | 89 | 95 | 142 | 88 | 34 | 39 | 22 | 81 | 253 | 488 | 255 |
| Sunny days | 14 | 13 | 5 | 3 | 2 | 2 | 7 | 16 | 1 | 1 | 0 | 0 |
| Rainy days | 17 | 15 | 26 | 27 | 29 | 28 | 24 | 15 | 29 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Jayalanda is at