Average annual temperature is 13.1 °C
Absolute maximum temperature: 35.7 °C
Absolute minimum temperature: -14.3 °C
Number of sunny days: 177 days
Number of rainy days: 185 days
Number of snow days: 3 days
Look at detailed online map of Raritan
* Weather data for Raritan 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) | 18.9 | 19.0 | 16.5 | 32.7 | 30.5 | 35.7 | 34.6 | 32.3 | 34.1 | 28.4 | 20.4 | 16.0 |
| Average daytime temperature (°C) | 8.9 | 9.1 | 10.9 | 19.6 | 23.1 | 27.2 | 30.5 | 28.2 | 24.8 | 20.0 | 11.6 | 9.3 |
| Average temperature (°C) | 4.8 | 3.6 | 5.3 | 13.0 | 16.3 | 20.6 | 24.5 | 22.9 | 19.7 | 14.6 | 6.3 | 5.0 |
| Average night temperature (°C) | 1.2 | -0.8 | 0.6 | 7.6 | 9.7 | 15.2 | 19.7 | 18.6 | 15.8 | 10.3 | 2.1 | 1.5 |
| Absolute minimum temperature (°C) | -4.2 | -14.3 | -4.1 | -0.5 | 3.5 | 9.5 | 15.5 | 15.2 | 10.0 | 4.9 | -4.3 | -4.8 |
| 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 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 4.8 | 6.9 | 7.3 | 8.7 | 11.7 | 10.2 | 11.6 | 10.1 | 8.0 | 7.8 | 7.5 | 4.9 |
| Precipitation (mm) | 132 | 39 | 106 | 121 | 38 | 111 | 156 | 96 | 204 | 52 | 74 | 183 |
| Sunny days | 14 | 18 | 12 | 16 | 21 | 12 | 8 | 13 | 13 | 17 | 18 | 15 |
| Rainy days | 17 | 8 | 18 | 14 | 10 | 18 | 23 | 18 | 17 | 14 | 12 | 16 |
| Snow days | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Raritan during the most sunny months:
The largest precipitation sum in Raritan is at