Average annual temperature is 12.1 °C
Absolute maximum temperature: 32.5 °C
Absolute minimum temperature: -11.9 °C
Number of sunny days: 151 days
Number of rainy days: 205 days
Number of snow days: 9 days
Look at detailed online map of Ceylon
* Weather data for Ceylon United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 18.0 | 21.3 | 21.7 | 28.3 | 29.7 | 32.5 | 31.8 | 31.2 | 31.9 | 26.7 | 19.4 | 16.9 |
| Average daytime temperature (°C) | 8.3 | 11.3 | 11.1 | 19.3 | 22.1 | 25.9 | 28.2 | 26.8 | 23.9 | 18.2 | 11.6 | 9.1 |
| Average temperature (°C) | 3.6 | 4.7 | 5.0 | 11.8 | 15.2 | 19.3 | 22.4 | 21.1 | 18.1 | 12.8 | 5.7 | 4.6 |
| Average night temperature (°C) | 0.4 | -0.1 | 0.3 | 5.9 | 8.9 | 13.4 | 18.1 | 16.6 | 13.6 | 8.7 | 1.4 | 1.3 |
| Absolute minimum temperature (°C) | -6.6 | -11.9 | -8.3 | -1.6 | 2.1 | 9.0 | 14.4 | 11.3 | 8.4 | 0.6 | -7.1 | -5.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.2 | 6.7 | 6.5 | 8.7 | 10.2 | 11.2 | 11.0 | 10.4 | 9.0 | 6.8 | 6.8 | 4.5 |
| Precipitation (mm) | 120 | 72 | 110 | 35 | 91 | 118 | 137 | 143 | 56 | 90 | 52 | 76 |
| Sunny days | 8 | 12 | 11 | 15 | 19 | 13 | 5 | 8 | 14 | 15 | 20 | 11 |
| Rainy days | 19 | 15 | 18 | 15 | 12 | 17 | 26 | 23 | 16 | 16 | 9 | 19 |
| Snow days | 4 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Ceylon during the most sunny months:
The largest precipitation sum in Ceylon is at