Québec climate

Québec is warmest in July, with average highs of 24 °C, and coldest in January, when nights average -15 °C. October is the wettest month (126 mm) and February the driest (68 mm). Figures are 1991–2020 climate normals.

Across a full year Québec averages 1,228 mm of rain, 35 days above 25 °C and 158 days below freezing.

Canada · population 531,902 · 1991–2020 normals

  1. Jan -11°
  2. Feb -9°
  3. Mar -4°
  4. Apr
  5. May 12°
  6. Jun 17°
  7. Jul 20°
  8. Aug 19°
  9. Sep 15°
  10. Oct
  11. Nov
  12. Dec -7°

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

What to expectQuébec through the year

Québec has a clear annual cycle: average daily highs run from -6.6 °C in January to 24 °C in July, a swing of 31 °C in mean temperature across the year.

Counted across a normal year, 35 days a year reach 25 °C, 3 of them reach 30 °C, 158 nights drop below freezing. The warmest reading in the 1991–2020 record is 34 °C, in May.

Rain is spread fairly evenly through the year, from 68 mm in February to 126 mm in October. There is no dry season to aim for.

Month by month

Month Avg high Rainfall Cloud
January -6.6 °C 83 mm 66 %
February -4.7 °C 68 mm 65 %
March 1.1 °C 80 mm 64 %
April 8.4 °C 103 mm 65 %
May 17.5 °C 102 mm 64 %
June 22.4 °C 118 mm 63 %
July 24.5 °C 126 mm 60 %
August 23.4 °C 114 mm 58 %
September 19.1 °C 110 mm 59 %
October 11.5 °C 126 mm 66 %
November 4.0 °C 97 mm 69 %
December -3.0 °C 101 mm 70 %

Temperature month by month

MonthAvg highAvg lowMeanRecord highRecord lowDays above 25 °CDays above 30 °CDays below 0 °C
January-6.6 °C-15.3 °C-11.3 °C11.4 °C-33.4 °C0030
February-4.7 °C-13.5 °C-9.5 °C11.9 °C-30.2 °C0028
March1.1 °C-7.7 °C-3.8 °C16.8 °C-25.5 °C0028
April8.4 °C-1.2 °C3.2 °C26.2 °C-17.8 °C0017
May17.5 °C6.9 °C11.8 °C33.9 °C-2.8 °C301
June22.4 °C12.8 °C17.3 °C33.4 °C1.6 °C810
July24.5 °C15.8 °C19.9 °C32.7 °C8.9 °C1410
August23.4 °C15.0 °C18.9 °C32.2 °C6.7 °C900
September19.1 °C10.7 °C14.6 °C31.0 °C-0.4 °C200
October11.5 °C4.4 °C7.5 °C24.7 °C-6.1 °C004
November4.0 °C-2.2 °C0.5 °C18.9 °C-20.5 °C0020
December-3.0 °C-10.5 °C-6.9 °C13.1 °C-35.6 °C0030

Rain, sun and wind month by month

MonthRainfallWet daysDaylightCloud coverHumidityWind
January83 mm119.0 h/day66 %73 %18 km/h
February68 mm1010 h/day65 %72 %18 km/h
March80 mm1012 h/day64 %71 %18 km/h
April103 mm1114 h/day65 %69 %18 km/h
May102 mm1215 h/day64 %68 %17 km/h
June118 mm1216 h/day63 %71 %16 km/h
July126 mm1416 h/day60 %75 %15 km/h
August114 mm1314 h/day58 %77 %15 km/h
September110 mm1113 h/day59 %76 %16 km/h
October126 mm1311 h/day66 %76 %17 km/h
November97 mm129.4 h/day69 %75 %17 km/h
December101 mm138.6 h/day70 %76 %17 km/h

How Québec compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination Summer high Winter low Rain per year Days above 25 °C
Québec 24 °C -15 °C 1,228 mm 35
Longueuil · Canada 26 °C -14 °C 1,097 mm 52
Montréal · Canada 25 °C -15 °C 1,097 mm 36
Laval · Canada 26 °C -14 °C 1,047 mm 50

Where Québec ranks

Planning a trip? See the best time to visit Québec.

QuestionsCommon questions about Québec’s climate

When is the best time to visit Québec?

That depends on what you want, so the honest answer is a comparison rather than a single month. June, July, August sit closest to 20 °C on average, July is the warmest month and February the driest. The month-by-month table above has the full picture.

How hot does Québec get?

In July, the warmest month, daily highs average 24 °C. About 3 days a year pass 30 °C. The highest value in the 1991–2020 record is 34 °C.

How cold does it get in winter?

Nights average -15 °C in January, the coldest month. A normal year has 158 nights below freezing.

Which month is wettest in Québec?

October, averaging 126 mm over 13 days with rain. The driest month is February with 68 mm. The year as a whole averages 1,228 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Québec rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.