Fort McMurray Weather in May
What's the weather like in Fort McMurray (Alberta) in May 2025?
The climate in Fort McMurray during May can be summarized as mild and reasonably dry.
May is in the spring in Fort McMurray and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 18°C (64°F), whilst at night 3°C (38°F) is normal.
| Daytime temperature | 17.5°C 63.5°F |
|---|---|
| Nightly temperature | 3.3°C 37.9°F |
| Average temperature | 10.4°C 50.7°F |
| Daily sunshine | 9.9 hrs |
| Avg rainfall | 40 mm 1.6 ins |
| Rainy days | 9 days |
| Sea temperature | 4°C 39.2°F |
| Humidity | 57% |
| Windspeed | 11.9kph 7 mph |
On average May is the 5th wettest month of the year in Fort McMurray with around 40mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.9 hours of sunshine per day.
May temperatures in Fort McMurray
May rainfall
May hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Fort McMurray in May 2025.
Other monthly averages
Fort McMurray weather stats
| Hottest month: | July | 23.1°C 73.6°F |
|---|---|---|
| Driest month: | February | 16mm 0.6ins |
| Sunniest month: | August | 9.4hrs |
| Coldest month: | January | -15.6°C 3.9°F |
| Wettest month: | July | 80mm 3.1ins |
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