Average Amount of Cloud in May at Canada's Cities





Pulled together here is information on how cloudy Canadian cities normally are in May.

The tables below give typical monthly totals for the hours of cloudy skies at major cities across the country. The hours only count heavy overcast, when cloud covers anywhere from 80 to 100 percent of the sky.

There are also data on the usual number of days in May that lack sun. These are days with no measurable bright sunshine.

All the numbers are averages of weather statistics collected from 1981 to 2010.

Average amount of cloud in May
City Hours of Cloud Days With No Sun
Abbotsford, British Columbia 448 4
Calgary, Alberta 409 2
Edmonton, Alberta 373 2
Guelph, Ontario 3
Halifax, Nova Scotia 484 7
Hamilton, Ontario 382 3
Kelowna, British Columbia 1
Kingston, Ontario 358 3
London, Ontario 371 3
City Hours of Cloud Days With No Sun
Moncton, New Brunswick 447 5
Montréal, Quebec 410 3
Ottawa, Ontario 392 4
Peterborough, Ontario 4
Québec City, Quebec 422 4
Regina, Saskatchewan 378 2
Saguenay, Quebec 439
Saskatoon, Saskatchewan 361 1
Sherbrooke, Quebec 418 3
City Hours of Cloud Days With No Sun
St. Catharines - Niagara, Ontario 2
Saint John, New Brunswick 444 5
St. John's, Newfoundland 527 8
Sudbury, Ontario 388 4
Thunder Bay, Ontario 364 3
Toronto, Ontario 386 3
Vancouver, British Columbia 415 3
Victoria, British Columbia 394 2
Windsor, Ontario 384
Winnipeg, Manitoba 355 2
Reference

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

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