North Bay Average Rainfall by Month

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

Average temperature by month

What's the Rainiest Month in North Bay?

In North Bay, September has the greatest precipitation of any month. On average, North Bay gets 11.0 cm of precipitation in September.

However, November is the month with the greatest chance of precipitation. 57.6% of days in November will have at least some rain or snow.

What's the Driest Month in North Bay?

In North Bay, February has the least precipitation of any month. On average, North Bay gets 5.79 cm of precipitation in February.

August is the month with the lowest chance of precipitation. 39.5% of days in August will have measurable rain.

Month	Precipitation	% Chance
January	6.63 cm	56.7
February	5.79 cm	55.8
March	6.16 cm	41.8
April	7.73 cm	42.4
May	8.82 cm	43.7
June	9.40 cm	42.8
July	10.42 cm	40.4
August	9.40 cm	39.5
September	10.96 cm	45.8
October	10.62 cm	50.5
November	9.25 cm	57.6
December	7.16 cm	61.2
Year	102.06 cm	48.1

Weather Station Details

Years	Station	Coordinates
1939–2024	North Bay A	location
1887–1938	North Bay	location