Granby Average Rainfall by Month

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

Average temperature by month

What's the Rainiest Month in Granby?

In Granby, July has the greatest precipitation of any month. On average, Granby gets 11.6 cm of precipitation in July.

However, January is the month with the greatest chance of precipitation. 58.0% of days in January will have at least some rain or snow.

What's the Driest Month in Granby?

In Granby, February has the least precipitation of any month. On average, Granby gets 7.44 cm of precipitation in February.

August is the month with the lowest chance of precipitation. 40.5% of days in August will have measurable rain.

Month	Precipitation	% Chance
January	9.45 cm	58.0
February	7.44 cm	52.4
March	8.35 cm	45.1
April	9.55 cm	43.9
May	10.23 cm	44.8
June	11.28 cm	48.4
July	11.62 cm	45.4
August	11.48 cm	40.5
September	11.47 cm	41.3
October	11.09 cm	46.1
November	8.83 cm	51.7
December	10.06 cm	55.9
Year	121.83 cm	48.1

Weather Station Details

Years	Station	Coordinates
1948–2023	Granby	location