Cape May Average Rainfall by Month

This page shows the average precipitation (including snowfall) in each month of the year in Cape May, New Jersey. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in Cape May?
In Cape May, October has the greatest precipitation of any month. On average, Cape May gets 4.2 inches of precipitation in October.
However, March is the month with the greatest chance of precipitation. 37.7% of days in March will have at least some rain or snow.
What's the Driest Month in Cape May?
In Cape May, February has the least precipitation of any month. On average, Cape May gets 2.96 inches of precipitation in February.
August is the month with the lowest chance of precipitation. 28.8% of days in August will have measurable rain.
Month Precipitation % Chance
January 3.22 in 34.3
February 2.96 in 37.4
March 4.10 in 37.7
April 3.34 in 37.7
May 3.57 in 36.3
June 3.53 in 33.6
July 3.88 in 32.4
August 4.11 in 28.8
September 3.76 in 30.0
October 4.17 in 31.0
November 3.28 in 31.3
December 4.02 in 36.0
Year 43.83 in 33.9
Weather Station Details
Years Station Coordinates
1894–2024 Cape May 2 NW location