Average Rainfall for Ontario in July

The tables below lists monthly averages for rainfall during July at cities, towns and parks in Ontario. Each place has a total for how many days of wet weather it usually gets this month and for the normal amount of precipitation.

You can jump to a separate table for each section of the province: Eastern, Central, Southwestern, Northeastern and Northwestern Ontario.

The calculation of days only includes the days when precipitation totalled at least 0.2 millimetres (0.008 inches). The month's rainfall numbers are averages of weather data collected during 1981 to 2010.

Eastern Ontario

Average monthly precipitation in July
Days	Place	Inches	Millimetres
10	Belleville	2.6	65
11	Cornwall	3.9	99
9	Kingston	2.5	64
12	Ottawa	3.3	84
12	Pembroke	2.9	75

Central Ontario

July averages for total rainfall
Days	Place	Inches	Millimetres
11	Barrie	3.0	77
10	Brantford	3.7	95
10	French River, Chaudiere Dam	3.1	80
11	Hamilton	3.3	83
11	Huntsville	3.3	83
9	Midland	3.1	78
11	Niagara Falls	3.3	84
11	Oshawa	2.9	73
9	Peterborough	2.4	61
10	St Catharines	3.1	78
10	Toronto	2.5	64

Southwestern Ontario

Average amount of rain in July
Days	Place	Inches	Millimetres
10	Chatham-Kent	3.4	85
12	Guelph	3.8	96
11	London	3.3	83
10	Owen Sound	2.8	70
11	Point Pelee National Park	3.3	84
11	Sarnia	3.1	78
11	Waterloo	3.9	99
11	Windsor	3.5	89

Northeastern Ontario

Precipitation totals for July
Days	Place	Inches	Millimetres
14	Chapleau	3.2	82
9	Gore Bay	1.9	48
16	Kapuskasing	4.0	102
16	Moosonee	3.8	97
13	North Bay	3.9	99
12	Sault Ste Marie	2.8	72
8	South Baymouth	2.0	51
12	Sudbury	3.0	77
14	Timmins	3.6	91
13	Wawa	3.8	96

Northwestern Ontario

Total precipitation during July
Days	Place	Inches	Millimetres
13	Atikokan	4.6	118
14	Big Trout Lake	3.4	85
14	Dryden	4.1	103
13	Fort Frances	3.8	97
13	Kenora	4.1	103
15	Red Lake	4.1	103
13	Thunder Bay	3.4	87