Average annual temperature is 15.9 °C
Absolute maximum temperature: 41.6 °C
Absolute minimum temperature: -0.2 °C
Number of sunny days: 266 days
Number of rainy days: 99 days
Look at detailed online map of Bethel Island
* Weather data for Bethel Island 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) | 17.6 | 18.5 | 19.4 | 31.0 | 31.7 | 38.7 | 41.6 | 39.7 | 34.4 | 34.5 | 26.4 | 18.4 |
| Average daytime temperature (°C) | 13.5 | 13.8 | 14.9 | 21.5 | 24.1 | 28.2 | 35.4 | 34.7 | 29.1 | 26.6 | 19.5 | 15.4 |
| Average temperature (°C) | 8.9 | 8.0 | 9.6 | 14.3 | 16.7 | 19.4 | 24.6 | 24.8 | 20.8 | 18.9 | 13.4 | 10.6 |
| Average night temperature (°C) | 5.9 | 3.7 | 6.0 | 9.1 | 11.6 | 13.4 | 16.2 | 17.6 | 14.8 | 13.2 | 8.4 | 7.1 |
| Absolute minimum temperature (°C) | 1.9 | -0.2 | 1.3 | 3.3 | 7.4 | 10.5 | 12.0 | 14.0 | 11.4 | 5.1 | 3.3 | 3.6 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| 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) | 5.7 | 7.7 | 7.9 | 11.5 | 11.7 | 13.3 | 13.4 | 12.4 | 11.0 | 9.6 | 8.2 | 6.2 |
| Precipitation (mm) | 231 | 93 | 218 | 3 | 26 | 0 | 0 | 3 | 4 | 7 | 62 | 116 |
| Sunny days | 12 | 16 | 10 | 27 | 22 | 30 | 31 | 28 | 27 | 26 | 21 | 16 |
| Rainy days | 19 | 12 | 21 | 3 | 9 | 0 | 0 | 3 | 3 | 5 | 9 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Bethel Island during the most sunny months:
The largest precipitation sum in Bethel Island is at