The climate in Québec during May can be summarized as mild and damp.
May is in the spring in Québec and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 17°C (63°F), whilst at night 6°C (42°F) is normal.
Daytime temperature | 17°C 62.5°F |
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Nightly temperature | 5.7°C 42.2°F |
Average temperature | 11.3°C 52.3°F |
Daily sunshine | 7.5 hrs |
Avg rainfall | 110 mm 4.3 ins |
Rainy days | 14 days |
Sea temperature | 5.4°C 41.8°F |
Humidity | 63% |
Windspeed | 13kph 8 mph |
On average May is the 5th wettest month of the year in Québec with around 110mm 4.3 inches of rain making it a damp time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.5 hours of sunshine per day.
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 Québec in May 2025.
Hottest month: | July | 24.8°C 76.6°F |
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Driest month: | February | 70mm 2.8ins |
Sunniest month: | July | 8.8hrs |
Coldest month: | January | -7.9°C 17.8°F |
Wettest month: | September | 123mm 4.8ins |