Average annual temperature is 11.1 °C
Absolute maximum temperature: 30.6 °C
Absolute minimum temperature: -5.1 °C
Number of sunny days: 123 days
Number of rainy days: 242 days
Look at detailed online map of Olney
* Weather data for Olney United Kingdom is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 12.6 | 15.0 | 14.9 | 16.6 | 20.5 | 29.0 | 26.6 | 25.7 | 30.6 | 22.7 | 14.5 | 13.0 |
| Average daytime temperature (°C) | 7.8 | 9.7 | 9.7 | 12.5 | 16.5 | 22.4 | 20.3 | 20.9 | 22.2 | 16.1 | 9.9 | 9.1 |
| Average temperature (°C) | 4.7 | 6.0 | 6.9 | 8.5 | 12.3 | 17.3 | 16.6 | 16.7 | 17.4 | 12.5 | 7.0 | 7.0 |
| Average night temperature (°C) | 1.7 | 2.6 | 3.6 | 4.3 | 8.1 | 12.0 | 12.8 | 12.5 | 12.9 | 9.4 | 4.2 | 4.6 |
| Absolute minimum temperature (°C) | -5.1 | -3.4 | -4.1 | -1.3 | 4.0 | 6.7 | 9.2 | 9.3 | 7.9 | 1.1 | -3.4 | -4.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.3 | 9.9 | 11.9 | 13.9 | 15.7 | 16.7 | 16.2 | 14.6 | 12.7 | 10.6 | 8.8 | 7.8 |
| Daylight minimum duration (h) | 7.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 7.0 |
| Sunshine mean duration (h) | 4.3 | 5.4 | 4.6 | 8.0 | 9.6 | 11.9 | 9.9 | 10.5 | 8.1 | 5.8 | 4.2 | 2.2 |
| Precipitation (mm) | 50 | 6 | 105 | 57 | 48 | 60 | 93 | 44 | 53 | 105 | 55 | 104 |
| Sunny days | 13 | 17 | 2 | 8 | 12 | 15 | 2 | 8 | 14 | 9 | 11 | 12 |
| Rainy days | 18 | 11 | 29 | 22 | 19 | 15 | 29 | 23 | 16 | 22 | 19 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Olney during the most sunny months:
Months with the longest average daylight duration in Olney:
The largest precipitation sum in Olney is at