Average Monthly Sunshine hours in Iselin (NJ)

This graph shows the average number of hours per month that Iselin 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 271 hours of sunshine.
• December has on average the lowest amount of sunshine with 141 hours.
• On average, the total annual amount of sun is 2540 hours.

Forecast: is it sunny in Iselin (NJ)?

Thu   Nov 21

12°C | 2°C

W 18 km/h

37 mm

overcast and heavy rain

hourly forecast

Fri   Nov 22

4°C | 2°C

SW 22 km/h

14 mm

overcast and heavy rain

hourly forecast

Sat   Nov 23

9°C | 2°C

NW 25 km/h

2.6 mm

partly cloudy and chance of slight rain

hourly forecast

5-Day Forecast 10-Day Forecast