Average monthly snow and rainfall in Iselin (NJ)
The mean monthly precipitation over the year in Iselin (New Jersey), including rain, snow, hail.
- 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.
Weather Forecasts for Iselin (NJ)
almost clear and small chance of rain
partly cloudy and rain
broken clouds and no rain