Average annual temperature is 9.5 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: -23.5 °C
Number of sunny days: 186 days
Number of rainy days: 148 days
Number of snow days: 31 days
Look at detailed online map of Island Beach
* Weather data for Island Beach 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) | 5.3 | 7.8 | 8.3 | 23.0 | 28.2 | 30.5 | 31.3 | 34.3 | 32.0 | 27.6 | 15.9 | 10.0 |
| Average daytime temperature (°C) | -0.5 | 0.6 | 3.3 | 12.3 | 19.1 | 25.4 | 27.3 | 26.0 | 22.8 | 14.7 | 6.9 | 3.9 |
| Average temperature (°C) | -3.3 | -3.7 | -0.7 | 7.2 | 13.9 | 20.4 | 22.7 | 21.6 | 18.9 | 11.5 | 3.4 | 1.1 |
| Average night temperature (°C) | -5.4 | -7.0 | -3.9 | 3.2 | 9.5 | 16.2 | 18.5 | 18.0 | 15.9 | 8.8 | 0.7 | -1.0 |
| Absolute minimum temperature (°C) | -23.5 | -23.3 | -12.2 | -3.7 | 0.8 | 9.3 | 14.7 | 11.3 | 11.0 | -2.2 | -10.6 | -7.5 |
| 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) | 9.3 | 10.5 | 11.9 | 13.5 | 14.8 | 15.4 | 15.1 | 14.0 | 12.5 | 11.0 | 9.7 | 8.9 |
| 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) | 3.9 | 6.5 | 6.9 | 8.6 | 10.3 | 12.3 | 13.0 | 11.6 | 9.6 | 6.2 | 6.5 | 4.7 |
| Precipitation (mm) | 41 | 82 | 93 | 105 | 47 | 66 | 49 | 64 | 29 | 87 | 24 | 30 |
| Sunny days | 14 | 12 | 11 | 14 | 19 | 22 | 10 | 16 | 16 | 11 | 22 | 19 |
| Rainy days | 7 | 7 | 12 | 14 | 12 | 8 | 21 | 15 | 14 | 19 | 7 | 12 |
| Snow days | 10 | 9 | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 |
The best time to visit Island Beach during the most sunny months:
Months with the longest average daylight duration in Island Beach:
The largest precipitation sum in Island Beach is at