Average annual temperature is 14.2 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: -11.9 °C
Number of sunny days: 201 days
Number of rainy days: 159 days
Number of snow days: 5 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) | 19.1 | 17.3 | 21.6 | 29.2 | 30.6 | 35.7 | 38.0 | 37.5 | 33.5 | 29.5 | 26.3 | 17.8 |
| Average daytime temperature (°C) | 7.9 | 10.7 | 12.5 | 20.8 | 25.4 | 29.9 | 31.9 | 30.1 | 27.4 | 20.3 | 13.7 | 10.1 |
| Average temperature (°C) | 2.8 | 4.5 | 6.3 | 13.4 | 19.1 | 23.4 | 25.8 | 24.7 | 21.4 | 15.1 | 8.1 | 5.7 |
| Average night temperature (°C) | -0.5 | -0.2 | 1.9 | 7.6 | 13.3 | 17.8 | 20.8 | 20.5 | 16.4 | 10.9 | 3.7 | 2.7 |
| Absolute minimum temperature (°C) | -11.8 | -11.9 | -8.2 | 1.3 | 5.8 | 11.2 | 16.4 | 13.3 | 11.5 | -1.5 | -6.2 | -5.3 |
| 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 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 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) | 5.3 | 7.6 | 6.7 | 10.5 | 11.5 | 12.5 | 11.7 | 10.1 | 10.3 | 7.4 | 7.7 | 5.6 |
| Precipitation (mm) | 46 | 76 | 100 | 25 | 94 | 40 | 71 | 130 | 25 | 93 | 13 | 88 |
| Sunny days | 18 | 17 | 15 | 21 | 17 | 17 | 12 | 13 | 15 | 18 | 22 | 16 |
| Rainy days | 9 | 10 | 16 | 9 | 14 | 13 | 19 | 18 | 15 | 13 | 8 | 15 |
| Snow days | 4 | 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