Weather in Canada in may 2025

In this section, you have access to the weather forecast for may for most popular cities in Canada. These datas are probabilities for the month of may from weather reports for over 10 years. The percentage indicates the possibility of having the weather indicated.



Where to go in Canada in may?

Where to go in Canada in may: destination map

Canada: weather map in may in different regions
Canada: weather map in may in different regions ©whereandwhen.net

Download the map

Where to go in each region in may?

Alberta
(Calgary, Banff National Park, Jasper National Park...)
43°F to 65°F3 à 12 days
very bad weather*
Atlantic Canada
(Halifax, St. John's (Newfoundland and Labrador), Saint John...)
45°F to 63°F6 à 9 days38°F to 45°F
very bad weather*
British Columbia
(Vancouver, Whistler, Kamloops...)
52°F to 65°F2 à 11 days47°F to 52°F
tolerable weather*
Manitoba
(Winnipeg (Manitoba), Churchill, Thompson...)
38°F to 63°F3 à 6 days
very bad weather*
North of Canada
(Yellowknife, Whitehorse (Yukon), Resolute (Nunavut)...)
23°F to 59°F1 à 4 days31°F
very bad weather*
Ontario
(Ottawa, Toronto, Thunder Bay...)
52°F to 65°F4 à 9 days43°F
tolerable weather*
Quebec
(Quebec City, Montreal, Gaspé (Gaspé Peninsula)...)
31°F to 67°F3 à 12 days38°F to 43°F
bad weather*
Saskatchewan
(Saskatoon, Regina, Lloydminster...)
63°F to 65°F3 à 5 days
tolerable weather
*over most of the region. Weather may vary locally.


Where should you go in Canada in may when it comes to the weather?

Remember:
The climate in Canada in may ranges from good to very bad depending on the region and city.

Due to the large extent of the territory, the climate throughout May in Canada changes from place to place. Thus, the north and the far north face the persistent cold, while in the south, such as cities like Toronto already enjoy superb climatic conditions favorable to outdoor activities. Climate conditions in central and western Canada are gradually moving towards the return of good weather as well.

The Great Canadian North in May

Most of the northern communities, such as Churchill in Manitoba, Yellowknife in the Northwest Territories or Whitehorse in the Yukon, still face the cold despite the gradual rise in temperatures from, ranging from -1° C to 10° C. Even if the sun appears more often, it is still advisable to bundle up in warm clothes.

Canadian Southeast in May

Canadian southeast throughout May in the localities north of Tadoussac, Quebec are still cool, while in the south, climatic conditions favor a mild and pleasant atmosphere. Toronto, Quebec City, Montreal and Sherbrooke already enjoy a pleasant weather throughout May in Canada, with beautiful sun and temperatures ranging from 10° C to 18° C.

Central Canada in May

Depending on the topography of the site, the climate of the Canadian center can be either very unfavorable or suitable. In the case of Banff National Park, because of the altitude, it is possible to have snowfall and cold temperatures. In the plains, the weather in Canada throughout May is milder, despite the early morning cold and the possibility of thunderstorms.

Western Canada in May

In western Canada, the rise in temperature is gradual. Thus, the mornings are still cold and the day environments fresh. Moreover, with the rains bring in bad weather and showers can occur at any time of the day. If one's route passes through Vancouver or Victoria, have waterproof clothing at hand.


Climate in Canada in may

Climate in Ottawa in may

In the month of may, maximum temperature is 65°F and minimum temperature is 52°F (for an average temperature of 59°F). The climate quite pleasant in this location in the month of may. With 5.6in over 9 days, you will experience some showers throughout your vacations. But this is reasonably and you will not be too bothered by it.
With a good weather, may is a good time to go in this locality.

May
Average temperature 59°F
Highest temperature 65°F
Lowest temperature 52°F
Rainfall 5.6in
Number of days with rainfall 9 day(s)
(30%)
Humidity 83%
Daily sunshine hours 13
Cloud cover 43%
Length of day 14:55
Our opinion at whereandwhen.net good
more information about the climate in Ottawa in may

Climate in Calgary in may

In may, the mean temperature in Calgary is 52°F (maximum temperature is 61°F and minimum temperature is 43°F). The climate is relatively fresh around this city in may, but it is tolerable when dressing hot. With 3.2in over 5 days, you will experience some showers for your journey. But this is reasonably and it is only of temporary showers.
With a correct climate, may is okay (but not the best time) for traveling in Calgary in Canada.

May
Average temperature 52°F
Highest temperature 61°F
Lowest temperature 43°F
Rainfall 3.2in
Number of days with rainfall 5 day(s)
(15%)
Humidity 78%
Daily sunshine hours 14
Cloud cover 37%
Length of day 15:35
Our opinion at whereandwhen.net tolerable
more information about the climate in Calgary in may

Climate in Halifax in may

In may, maximum temperature is 54°F and minimum temperature is 45°F (for an average temperature of 50°F). The climate is relatively fresh around this city in the month of may, but it is bearable when dressing hot. With 4.5in over 6 days, you risk getting wet slightly throughout your stay. But this is moderate and it is only of temporary showers.
With a correct weather, the month of may is okay (but not good time) for traveling in Halifax.

May
Average temperature 50°F
Highest temperature 54°F
Lowest temperature 45°F
Sea temperature 42°F
Rainfall 4.5in
Number of days with rainfall 6 day(s)
(21%)
Humidity 90%
Daily sunshine hours 13
Cloud cover 52%
Length of day 14:50
Our opinion at whereandwhen.net bad
more information about the climate in Halifax in may

Climate in Banff National Park in may

In the month of may, maximum temperature is 43°F and minimum temperature is 25°F (for an average temperature of 34°F). The climate is rather cold in that area in this month. Do not forget to cover yourself! With 7.3in over 12 days, rainfall can happen during your journey. But this is rather reasonably and it is only of temporary showers.

May
Average temperature 34°F
Highest temperature 43°F
Lowest temperature 25°F
Rainfall 7.3in
Number of days with rainfall 12 day(s)
(40%)
Humidity 93%
Daily sunshine hours 13
Cloud cover 51%
Length of day 15:39
Our opinion at whereandwhen.net very bad
more information about the climate in Banff National Park in may

Climate in Jasper National Park in may

In the month of may, the mean temperature in Jasper National Park is 43°F (maximum temperature is 54°F and minimum temperature is 32°F). The climate is quite fresh there in the month of may, but it is tolerable by dressing hot. With 4.9in over 8 days, you will experience some showers throughout your trip. But this is reasonably and it is only of temporary showers.

May
Average temperature 43°F
Highest temperature 54°F
Lowest temperature 32°F
Rainfall 4.9in
Number of days with rainfall 8 day(s)
(26%)
Humidity 89%
Daily sunshine hours 14
Cloud cover 40%
Length of day 15:51
Our opinion at whereandwhen.net very bad
more information about the climate in Jasper National Park in may


All cities in Canada in may

Ottawa in maygood weather
Calgary in maytolerable weather
Halifax in maybad weather
Banff National Park in mayvery bad weather
Jasper National Park in mayvery bad weather
Quebec City in maygood weather
Thunder Bay in maytolerable weather
Toronto in maygood weather
Vancouver in maytolerable weather
Whistler in maytolerable weather
Whitehorse (Yukon) in maytolerable weather
Winnipeg (Manitoba) in maytolerable weather
Yellowknife in mayvery bad weather
Churchill in mayvery bad weather
Edmonton in maytolerable weather
Kamloops in maytolerable weather
Lake Louise in mayvery bad weather
Lloydminster in maytolerable weather
Niagara Falls (Ontario) in maygood weather
Regina in maytolerable weather
Resolute (Nunavut) in mayvery bad weather
See full list of cities (97)


Weather data for Canada in may:

Weather data for Canada in may is derived from an average of the weather forecast since 2009 in Canada. There is a margin of error and these forecasts are to be considered as general information only. The weather in Canada can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Canada.


Change units