Average annual temperature is 14.6 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: -10.9 °C
Number of sunny days: 204 days
Number of rainy days: 159 days
Number of snow days: 2 days
Look at detailed online map of Olney
* Weather data for Olney 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) | 18.5 | 22.5 | 23.0 | 28.1 | 31.1 | 35.5 | 36.2 | 36.5 | 31.8 | 29.5 | 25.6 | 17.2 |
| Average daytime temperature (°C) | 8.3 | 11.8 | 13.2 | 20.5 | 25.7 | 29.8 | 31.2 | 29.7 | 27.2 | 20.5 | 14.0 | 10.1 |
| Average temperature (°C) | 4.0 | 5.7 | 7.2 | 13.5 | 19.4 | 23.5 | 25.7 | 24.4 | 21.6 | 15.4 | 8.5 | 5.6 |
| Average night temperature (°C) | 0.7 | 1.4 | 2.5 | 8.0 | 13.6 | 17.9 | 20.9 | 19.9 | 16.6 | 11.2 | 4.3 | 2.4 |
| Absolute minimum temperature (°C) | -10.9 | -10.5 | -6.7 | 1.0 | 6.0 | 12.4 | 17.3 | 14.2 | 12.8 | -2.3 | -6.1 | -6.4 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 4.5 | 7.7 | 7.3 | 9.8 | 11.2 | 12.0 | 12.2 | 10.7 | 10.4 | 7.6 | 7.9 | 5.7 |
| Precipitation (mm) | 129 | 75 | 238 | 83 | 56 | 53 | 60 | 174 | 36 | 71 | 22 | 77 |
| Sunny days | 15 | 17 | 14 | 17 | 18 | 20 | 10 | 14 | 19 | 20 | 24 | 16 |
| Rainy days | 15 | 10 | 17 | 13 | 13 | 10 | 21 | 17 | 11 | 11 | 6 | 15 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Olney during the most sunny months:
The largest precipitation sum in Olney is at