Longueuil Weather in May
What's the weather like in Longueuil (Quebec) in May 2025?
The climate in Longueuil during May can be summarized as mild and a little damp.
May is in the spring in Longueuil and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 8°C (47°F) is normal.
| Daytime temperature | 18.7°C 65.7°F |
|---|---|
| Nightly temperature | 8.1°C 46.6°F |
| Average temperature | 13.4°C 56.1°F |
| Daily sunshine | 8 hrs |
| Avg rainfall | 80 mm 3.2 ins |
| Rainy days | 13 days |
| Sea temperature | 5.9°C 42.6°F |
| Humidity | 64% |
| Windspeed | 13kph 8 mph |
On average May is the 5th driest month of the year in Longueuil with around 80mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 8 hours of sunshine per day.
May temperatures in Longueuil
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 Longueuil in May 2025.
Other monthly averages
Longueuil weather stats
| Hottest month: | July | 26.4°C 79.5°F |
|---|---|---|
| Driest month: | February | 63mm 2.5ins |
| Sunniest month: | July | 9.3hrs |
| Coldest month: | January | -6°C 21.2°F |
| Wettest month: | August | 101mm 4ins |
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