The highest day temperature in May 2025 was 82°F. The lowest night temperature was 32°F. The average values for day and night temperatures during May were 60.0°F и 45.8°F respectivly.

The average sea surface temperature in May 2025 for Quebec was 47.8°F. The maximum and minimum values were 40.6°F and 56.2°F respectively.

You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in May for Quebec is 2.6 in.

The average wind speed in May is 8.0 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Quebec in May is 7.8 hours.