Average annual temperature is 9.9 °C
Absolute maximum temperature: 31.0 °C
Absolute minimum temperature: -21.1 °C
Number of sunny days: 135 days
Number of rainy days: 208 days
Number of snow days: 22 days
Look at detailed online map of Olwen Heights
* Weather data for Olwen Heights 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) | 14.9 | 14.4 | 14.0 | 28.1 | 27.6 | 31.0 | 30.4 | 27.4 | 30.2 | 27.0 | 15.6 | 11.5 |
| Average daytime temperature (°C) | 4.6 | 5.9 | 6.8 | 15.9 | 19.3 | 22.7 | 26.8 | 24.3 | 21.4 | 16.1 | 7.7 | 5.8 |
| Average temperature (°C) | 1.3 | 0.3 | 1.6 | 9.8 | 12.8 | 17.2 | 21.8 | 19.4 | 16.5 | 11.6 | 3.2 | 2.4 |
| Average night temperature (°C) | -1.4 | -4.4 | -2.5 | 5.1 | 6.7 | 12.5 | 17.6 | 15.2 | 12.8 | 8.1 | -0.3 | -0.2 |
| Absolute minimum temperature (°C) | -8.2 | -21.1 | -8.6 | -4.3 | 0.4 | 7.2 | 12.8 | 10.7 | 5.6 | 0.7 | -7.2 | -6.2 |
| 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 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| 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) | 4.0 | 6.1 | 6.8 | 8.6 | 12.0 | 10.9 | 11.8 | 10.6 | 8.2 | 7.4 | 7.4 | 3.8 |
| Precipitation (mm) | 91 | 48 | 104 | 97 | 56 | 105 | 92 | 116 | 106 | 93 | 59 | 151 |
| Sunny days | 6 | 12 | 9 | 13 | 19 | 7 | 5 | 8 | 12 | 15 | 16 | 13 |
| Rainy days | 18 | 11 | 18 | 17 | 12 | 23 | 26 | 23 | 18 | 16 | 11 | 15 |
| Snow days | 7 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 |
The best time to visit Olwen Heights during the most sunny months:
The largest precipitation sum in Olwen Heights is at