Average annual temperature is 11.5 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: -4.2 °C
Number of sunny days: 173 days
Number of rainy days: 191 days
Number of snow days: 1 day
Look at detailed online map of Winchester Bay
* Weather data for Winchester Bay 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) | 16.3 | 15.0 | 17.3 | 22.0 | 33.3 | 21.7 | 24.1 | 31.8 | 27.8 | 29.1 | 19.8 | 17.1 |
| Average daytime temperature (°C) | 11.0 | 9.8 | 10.2 | 12.1 | 16.9 | 18.1 | 21.0 | 22.9 | 20.2 | 18.1 | 14.4 | 13.4 |
| Average temperature (°C) | 7.2 | 5.8 | 5.9 | 8.7 | 12.6 | 13.8 | 16.2 | 17.8 | 15.7 | 13.3 | 10.1 | 10.3 |
| Average night temperature (°C) | 4.8 | 3.1 | 3.0 | 6.1 | 9.5 | 10.5 | 12.4 | 14.0 | 12.3 | 10.3 | 7.2 | 8.1 |
| Absolute minimum temperature (°C) | -3.2 | -4.2 | -2.0 | 0.9 | 4.3 | 7.4 | 9.8 | 11.3 | 9.2 | 2.5 | 0.2 | 1.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.4 | 15.1 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 4.0 | 6.1 | 6.6 | 7.3 | 10.8 | 12.4 | 12.6 | 11.6 | 9.4 | 7.3 | 5.0 | 3.1 |
| Precipitation (mm) | 230 | 181 | 255 | 260 | 43 | 5 | 2 | 4 | 70 | 124 | 194 | 359 |
| Sunny days | 6 | 11 | 4 | 7 | 17 | 24 | 24 | 27 | 17 | 14 | 12 | 10 |
| Rainy days | 25 | 16 | 27 | 23 | 14 | 6 | 7 | 4 | 13 | 17 | 18 | 21 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Winchester Bay during the most sunny months:
Months with the longest average daylight duration in Winchester Bay:
The largest precipitation sum in Winchester Bay is at