Measurements:
°C
°F
Banff
46°F
NE 7 mph
Feels like: 42°F
Precip: 10%
World Resorts Canada Banff Weather May Weather in Banff

Banff Weather: May

Average Day Temperature: 50.3°F
Average Night Temperature: 32.6°F
Number of Sunny Days: 8 days
Sunshine Hours: 14.9 - 16.2 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.5 in

Air Temperature in May, °F

Select Year: 2026 2025 2024

The highest day temperature in May 2026 was 79°F. The lowest night temperature was 32°F. The average values for day and night temperatures during May were 60.8°F и 44.2°F respectivly.

Sunny, Cloudy and Gloomy days

Most of the days in May are gloomy but you can also expect sunny days.

Precipitation Totals in May, in

Precipitation total in May for Banff is 1.5 in. It makes may one of the most rainy months of the year.

Wind Speed in May, mph

The average wind speed in May is 3.9 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Banff in May is 7.4 hours.

Best Time to Visit Banff
The most sunny months:
July 17 days
August 17 days
September 13 days
The most warm months:
July 70.5 °F
August 67.9 °F
September 59.1 °F
The most cold months:
December 16.3 °F
January 16.6 °F
February 17.7 °F
The most rainy months:
June 4 days
July 2 days
May 2 days
The most windy months:
December 4 mph
January 4 mph
February 4 mph

Banff on the Weather Map

Canada Resorts:
NAME
F°
Halifax +56
Moncton +52
Montreal +52
Nanaimo +56
Niagara Falls +62
Ottawa +54
Prince Edward Island +54
Quebec +50
Saint Andrews +56
St. John's +40
Sydney +52
Toronto +68
Vancouver +54
Victoria +56
Winnipeg +52
24 Hours Weather Forecast
Banff
Local time: 18:22
28 sep, monday
2100 34°F
NE
8 mph
29 sep, tuesday
0000 30°F
NE
9 mph
0300 30°F
NE
11 mph
0600 28°F
NE
10 mph
0900 34°F
NE
8 mph
1200 42°F
NE
7 mph
1500 48°F
NE
7 mph
1800 38°F
NE
6 mph