Monthly climate metrics across temperature, precipitation, wind, and UV.
| Metric | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | |||||||||||||
| Daily high°C | 31 | 31 | 31 | 31 | 30 | 30 | 29 | 29 | 29 | 29 | 30 | 30 | 30 |
| Daily mean°C | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 |
| Daily low°C | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 |
| Thermal comfort | |||||||||||||
| High feelsDaily high feels-like°C | 37 | 38 | 38 | 38 | 36 | 34 | 33 | 33 | 33 | 34 | 36 | 36 | 35 |
| Mean feelsDaily mean feels-like°C | 32 | 32 | 33 | 34 | 31 | 30 | 30 | 30 | 30 | 29 | 30 | 30 | 31 |
| Low feelsDaily low feels-like°C | 25 | 25 | 27 | 28 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 25 | 26 |
| Humidity | |||||||||||||
| HumidityRelative humidity% | 74 | 69 | 74 | 80 | 82 | 83 | 84 | 83 | 84 | 83 | 83 | 79 | 80 |
| Dewpoint°C | 22.8 | 22.3 | 23.9 | 24.8 | 25.6 | 25.3 | 24.8 | 24.7 | 24.8 | 24.4 | 24.3 | 23.6 | 24.3 |
| Precipitation | |||||||||||||
| Rainfallmm | 47 | 19 | 75 | 204 | 468 | 198 | 134 | 118 | 209 | 361 | 378 | 187 | 2397 |
| Rain days≥1mm | 9 | 8 | 21 | 27 | 31 | 30 | 23 | 20 | 30 | 28 | 26 | 17 | 270 |
| Wind | |||||||||||||
| Wind avgm/s | 3.9 | 3.9 | 2.5 | 2.4 | 4.4 | 5.3 | 5.3 | 5.0 | 5.0 | 4.2 | 3.1 | 3.9 | 4.1 |
| Wind gustsm/s | 6.9 | 6.7 | 4.8 | 4.3 | 8.4 | 7.0 | 7.4 | 6.8 | 7.1 | 6.8 | 6.1 | 6.9 | 6.6 |
| Sun & UV | |||||||||||||
| Sunshinehrs/day | 9.6 | 9.9 | 9.7 | 9.7 | 9.0 | 9.3 | 9.2 | 9.6 | 8.3 | 8.7 | 8.0 | 9.2 | 9.2 |
| Clear skyindex | 41% | 64% | 55% | 51% | 32% | 31% | 30% | 29% | 30% | 27% | 28% | 36% | 38% |
| UV indexmax avg | 9.2 | 10.4 | 10.5 | 10.3 | 7.2 | 7.4 | 8.1 | 8.8 | 8.0 | 7.9 | 7.7 | 7.8 | 8.6 |
Compared across Sri Lanka
Colombo: 26.5 °C. Typical range in Sri Lanka: 23.6–25.2 °C. Low anchor: Badulla, 20.5 °C.
28 cities tracked