Hanover Average Rainfall by Month

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

Average temperature by month

What's the Rainiest Month in Hanover?

In Hanover, July has the greatest precipitation of any month. On average, Hanover gets 4.4 inches of precipitation in July.

July is also the month where rain is most common. 43.0% of days in July will have at least some rain.

What's the Driest Month in Hanover?

In Hanover, February has the least precipitation of any month. On average, Hanover gets 2.26 inches of precipitation in February.

February is also the month where rain is least common. 31.8% of days in February will have measurable rain or snow.

Month	Precipitation	% Chance
January	2.77 in	34.0
February	2.26 in	31.8
March	3.11 in	32.6
April	3.18 in	36.0
May	2.95 in	39.4
June	3.29 in	41.2
July	4.37 in	43.0
August	3.38 in	36.2
September	3.40 in	38.4
October	3.98 in	39.1
November	2.96 in	34.5
December	3.07 in	33.2
Year	39.12 in	36.7

Weather Station Details

Years	Station	Coordinates
1884–2024	Hanover	location