Mille-Isles (QC) Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from comfortable to very cold in Mille-Isles. On average, daytime temperatures range from a comfortable 26°C (79°F) in July to a very cold -5°C (23°F) in January.

Nighttime temperatures range from 14°C (57°F) in July to -16°C (3°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Mille-Isles has a relatively rain/snowy climate with high precipitation levels, averaging 1253 mm (49 in) of rain/snowfall annually. The wettest period in Mille-Isles occurs in June, which receives around 122 mm (4.8 in) of precipitation. During the driest month, February, Mille-Isles experiences moderate snowfall, totaling 78 mm (3.1 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Mille-Isles Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

In Mille-Isles, summer days are longer and more sunny, with daily sunshine hours peaking at 9.1 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.7 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Mille-Isles.

The city experiences its highest humidity in December, reaching 71%. In May, the humidity drops to its lowest level at 51%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year