Average Humidity in May at Canadian Cities
The normal humidity levels in May at Canada's largest cities are listed below.
The tables give the month's daily average relative humidity. The morning humidity readings are taken at 6:00 am local standard time. The afternoon humidity is for 3:00 pm local standard time.
Relative humidity measures the actual amount of moisture in the air as a percentage of the maximum amount of moisture the air can hold. All the numbers here are based on weather data collected from 1981 to 2010.
| City | Morning | Afternoon |
|---|---|---|
| Abbotsford, British Columbia | 83 | 56 |
| Calgary, Alberta | 72 | 44 |
| Edmonton, Alberta | 70 | 40 |
| Halifax, Nova Scotia | 88 | 70 |
| Hamilton, Ontario | 83 | 57 |
| Kelowna, British Columbia | 77 | 40 |
| Kingston, Ontario | 80 | 66 |
| Kitchener - Waterloo, Ontario | 85 | – |
| London, Ontario | 81 | 55 |
| City | Morning | Afternoon |
|---|---|---|
| Moncton, New Brunswick | 87 | 59 |
| Montréal, Quebec | 74 | 51 |
| Ottawa, Ontario | 76 | 50 |
| Peterborough, Ontario | 87 | 55 |
| Québec City, Quebec | 74 | 50 |
| Regina, Saskatchewan | 77 | 43 |
| Saguenay, Quebec | 77 | 48 |
| Saskatoon, Saskatchewan | 78 | 42 |
| Sherbrooke, Quebec | 80 | 51 |
| City | Morning | Afternoon |
|---|---|---|
| St. Catharines - Niagara, Ontario | 83 | 56 |
| Saint John, New Brunswick | 86 | 60 |
| St. John's, Newfoundland | 86 | 72 |
| Sudbury, Ontario | 77 | 48 |
| Thunder Bay, Ontario | 86 | 51 |
| Toronto, Ontario | 77 | 53 |
| Vancouver, British Columbia | 83 | 63 |
| Victoria, British Columbia | 90 | 63 |
| Winnipeg, Manitoba | 78 | 47 |
Reference
Environment Canada. Meteorological Service of Canada. Canadian Climate Normals. 1981-2010 Climate Normals & Averages.