Farmington Average Rainfall by Month

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

Average temperature by month

What's the Rainiest Month in Farmington?

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

However, June is the month with the greatest chance of precipitation. 42.4% of days in June will have at least some rain.

What's the Driest Month in Farmington?

In Farmington, February has the least precipitation of any month. On average, Farmington gets 3.15 inches of precipitation in February.

February is also the month where rain is least common. 32.8% of days in February will have measurable rain or snow.

Month	Precipitation	% Chance
January	3.53 in	35.5
February	3.15 in	32.8
March	3.99 in	35.8
April	4.34 in	38.0
May	3.87 in	41.5
June	5.09 in	42.4
July	3.95 in	40.9
August	4.05 in	37.0
September	3.51 in	33.4
October	5.21 in	37.8
November	4.44 in	38.2
December	4.30 in	41.6
Year	49.43 in	37.9

Weather Station Details

Years	Station	Coordinates
1893–2024	Farmington	location