Average annual temperature is 13.3 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: -13.3 °C
Number of sunny days: 190 days
Number of rainy days: 172 days
Number of snow days: 3 days
Look at detailed online map of New Jersey
* Weather data for New Jersey 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) | 18.6 | 19.1 | 17.5 | 31.0 | 29.3 | 34.0 | 34.8 | 32.1 | 35.4 | 27.6 | 19.9 | 16.8 |
| Average daytime temperature (°C) | 9.2 | 9.3 | 11.2 | 19.4 | 22.0 | 26.7 | 30.4 | 28.3 | 24.9 | 19.8 | 11.9 | 9.4 |
| Average temperature (°C) | 5.3 | 4.3 | 5.6 | 13.3 | 15.6 | 20.3 | 24.7 | 23.0 | 20.0 | 14.6 | 6.8 | 5.4 |
| Average night temperature (°C) | 1.9 | -0.2 | 0.9 | 8.2 | 9.7 | 14.9 | 20.0 | 18.8 | 16.0 | 10.4 | 2.5 | 1.9 |
| Absolute minimum temperature (°C) | -4.2 | -13.3 | -4.2 | 0.4 | 3.2 | 9.6 | 16.7 | 15.1 | 10.8 | 5.0 | -4.7 | -4.9 |
| 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 | 15.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| 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) | 4.6 | 6.8 | 7.2 | 8.6 | 11.5 | 10.4 | 11.2 | 10.3 | 7.8 | 7.9 | 7.6 | 5.4 |
| Precipitation (mm) | 82 | 53 | 100 | 136 | 79 | 109 | 172 | 108 | 178 | 67 | 63 | 200 |
| Sunny days | 15 | 17 | 12 | 14 | 22 | 13 | 9 | 13 | 16 | 18 | 22 | 19 |
| Rainy days | 16 | 9 | 18 | 16 | 9 | 17 | 22 | 18 | 14 | 13 | 8 | 12 |
| Snow days | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit New Jersey during the most sunny months:
The largest precipitation sum in New Jersey is at