Average Sunshine in Ontario for May





The tables below give May 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 May with any amount of measurable sunshine. All the data are averages for the years 1981 to 2010.

Eastern Ontario

Total May sunshine
% Sun Place Hours Days
46 Cornwall 210 27
48 Kingston 218 28
50 Ottawa 230 28
49 Pembroke 227 28

Central Ontario

Average amount of sun in May
% Sun Place Hours Days
54 Hamilton 244 28
48 Peterborough 218 27
53 St Catharines 242 29
50 Toronto 228 28

Southwestern Ontario

Average May sun
% Sun Place Hours Days
51 Guelph 231 28
48 London 220 28
52 Sarnia 237 28

Northeastern Ontario

Number of sunny hours and days in May on average
% Sun Place Hours Days
46 Kapuskasing 221 26
46 Moosonee 221 27
51 North Bay 235 28
52 Sault Ste Marie 240 28
53 South Baymouth 243 27
49 Sudbury 228 27

Northwestern Ontario

Average total sunshine in May
% Sun Place Hours Days
49 Big Trout Lake 242 27
53 Red Lake 254 28
55 Thunder Bay 259 28
Reference

Environment Canada. Meteorological Service of Canada. Canadian Climate Normals. 1981-2010 Climate Normals & Averages.

Ontario Sunshine
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