Iselin (NJ) Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in Iselin (New Jersey). The numbers are calculated over a 30-year period to provide a reliable average.
- A lot of rain (rainy season) falls in the months: April, May, June, July, August, October and December.
- On average, December is the wettest month with 128 mm of precipitation.
- On average, November is the driest month with 75 mm of precipitation.
- The average amount of annual precipitation is 1238 mm.
Current rainfall in Iselin (NJ)
overcast and heavy rain
overcast and heavy rain
partly cloudy and chance of slight rain