Port Huron Average Rainfall by Month

This page shows the average precipitation (including snowfall) in each month of the year in Port Huron, Michigan. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in Port Huron?
In Port Huron, June has the greatest precipitation of any month. On average, Port Huron gets 3.6 inches of precipitation in June.
However, January is the month with the greatest chance of precipitation. 45.3% of days in January will have at least some rain or snow.
What's the Driest Month in Port Huron?
In Port Huron, February has the least precipitation of any month. On average, Port Huron gets 2.05 inches of precipitation in February.
July is the month with the lowest chance of precipitation. 32.7% of days in July will have measurable rain.
Month Precipitation % Chance
January 2.45 in 45.3
February 2.05 in 36.0
March 2.21 in 34.9
April 3.13 in 43.0
May 3.44 in 42.0
June 3.62 in 36.2
July 3.32 in 32.7
August 3.16 in 33.3
September 3.32 in 33.6
October 3.13 in 40.8
November 2.82 in 39.5
December 2.29 in 41.0
Year 35.01 in 38.3
Weather Station Details
Years Station Coordinates
1933–2024 Port Huron location