Average Monthly Sunshine hours in Princeton (NJ)

This graph shows the average number of hours per month that Princeton receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

• On average, July is the sunniest month with 269 hours of sunshine.
• December has on average the lowest amount of sunshine with 140 hours.
• On average, the total annual amount of sun is 2510 hours.

Forecast: is it sunny in Princeton (NJ)?

Thu   Nov 21

11°C | 3°C

NW 22 km/h

32 mm

overcast and heavy rain

hourly forecast

Fri   Nov 22

5°C | 1°C

SW 22 km/h

11 mm

overcast and heavy rain

hourly forecast

Sat   Nov 23

10°C | 1°C

NW 25 km/h

partly cloudy and no rain

hourly forecast

5-Day Forecast 10-Day Forecast