Norfolk Average Rainfall by Month

This page shows the average precipitation (including snowfall) in each month of the year in Norfolk, Connecticut. It is based on NOAA data for the years 1991–2020.

Average temperature by month

What's the Rainiest Month in Norfolk?

In Norfolk, October has the greatest precipitation of any month. On average, Norfolk gets 5.2 inches of precipitation in October.

However, May is the month with the greatest chance of precipitation. 45.6% of days in May will have at least some rain or snow.

What's the Driest Month in Norfolk?

In Norfolk, February has the least precipitation of any month. On average, Norfolk gets 3.32 inches of precipitation in February.

September is the month with the lowest chance of precipitation. 34.9% of days in September will have measurable rain.

Month	Precipitation	% Chance
January	4.00 in	42.5
February	3.32 in	41.2
March	4.24 in	40.9
April	3.91 in	42.3
May	4.13 in	45.6
June	4.95 in	43.5
July	4.77 in	38.0
August	4.76 in	36.7
September	4.99 in	34.9
October	5.24 in	39.2
November	4.16 in	38.0
December	4.91 in	44.4
Year	53.20 in	40.5

Weather Station Details

Years	Station	Coordinates
1884–2024	Norfolk 2 Sw	location