Banff weather in May (Alberta, Canada)

People don't tend to visit Banff in May since it is known as a chilly month. The average maximum daytime temperature in Banff in May lies at 8.8°C (47.84°F). The average minimum temperature goes down to around -3.3°C (26.06°F) (often the minimum temperature is noted at night).

Rainfall during May is moderate with an average of 70mm (2.8 inches). There are generally around 11 snowy days. The sun also shows itself regularly this month with 203 hours of sunshine during the entire month.


Banff, monthly averages in May

Show in Celsius
Min Temperature 26 °F  
Max Temperature 47 °F  
Chance of Rain 39%  
Precipitation 3 in  
Rainy days 12 days  
Humidity 40% *  
Sunshine 203 hrs *  

Where to stay in Banff

Where to go in Canada in May

Find out more about the weather in Canada in May and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

So what to wear in May? Bring a rain jacket in case it rains during your stay.. Also bring some warm clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in May.

Outdoor sports

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Banff.

Our site offers climate and forecast data for every country in the world. Are you going to Canada? On this website you can find historical weather averages for many cities in Canada. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.