Average annual temperature is 26.9 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: 18.4 °C
Number of sunny days: 69 days
Number of rainy days: 296 days
Look at detailed online map of Tract Eighteen
* Weather data for Tract Eighteen 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) | 29.9 | 32.1 | 34.8 | 35.9 | 33.9 | 33.6 | 35.8 | 37.1 | 33.5 | 32.8 | 31.8 | 30.9 |
| Average daytime temperature (°C) | 28.7 | 30.1 | 32.5 | 33.7 | 31.6 | 32.2 | 32.1 | 34.9 | 31.6 | 31.0 | 30.2 | 29.5 |
| Average temperature (°C) | 24.3 | 25.3 | 27.1 | 27.9 | 27.9 | 28.5 | 28.2 | 29.1 | 27.3 | 26.3 | 25.7 | 25.7 |
| Average night temperature (°C) | 20.7 | 21.2 | 23.3 | 24.0 | 25.1 | 25.7 | 25.6 | 25.4 | 24.3 | 23.5 | 23.1 | 23.3 |
| Absolute minimum temperature (°C) | 18.4 | 19.2 | 21.7 | 22.7 | 23.4 | 24.2 | 24.3 | 24.7 | 23.1 | 22.3 | 22.5 | 22.8 |
| 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) | 9.1 | 9.8 | 10.7 | 10.4 | 9.0 | 10.6 | 9.6 | 11.1 | 9.4 | 8.5 | 7.3 | 7.7 |
| Precipitation (mm) | 66 | 88 | 89 | 103 | 125 | 34 | 48 | 13 | 115 | 282 | 418 | 240 |
| Sunny days | 16 | 14 | 7 | 5 | 1 | 1 | 7 | 17 | 0 | 0 | 0 | 1 |
| Rainy days | 15 | 14 | 24 | 25 | 30 | 29 | 24 | 14 | 30 | 31 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tract Eighteen is at