Average Sunshine in Ontario for October

The tables below give October averages for the number of sunny days and hours of sunshine at cities and towns in Ontario.

The places are grouped into a separate table for each region of the province: Eastern, Central, Southwestern, Northeastern and Northwestern Ontario.

The tables give three different measures of sunshine. The number for % Sun is the usual percentage of daylight hours with bright sunshine.

Hours gives the total hours of bright sunshine that's normal this month. Days statistics are for the typical number of days in October with any amount of measurable sunshine. All the data are averages for the years 1981 to 2010.

Eastern Ontario

Total October sunshine
% Sun	Place	Hours	Days
38	Cornwall	130	24
41	Kingston	140	26
41	Ottawa	139	26
36	Pembroke	122	26

Central Ontario

Average amount of sun in October
% Sun	Place	Hours	Days
43	Hamilton	149	27
39	Peterborough	133	26
45	St Catharines	155	27
45	Toronto	154	27

Southwestern Ontario

Average October sun
% Sun	Place	Hours	Days
41	Guelph	141	27
38	London	129	26
44	Sarnia	151	25

Northeastern Ontario

Number of sunny hours and days in October on average
% Sun	Place	Hours	Days
26	Kapuskasing	88	22
27	Moosonee	88	22
35	North Bay	118	25
35	Sault Ste Marie	119	24
38	South Baymouth	128	25
36	Sudbury	121	25

Northwestern Ontario

Average total sunshine in October
% Sun	Place	Hours	Days
26	Big Trout Lake	84	21
33	Red Lake	110	23
37	Thunder Bay	125	26