Gatineau, Quebec Weather by Month and Climate Averages

Gatineau, Quebec gets 917 mm of precipitation a year over about 135 rainy days. July is the warmest month (average high 27°C) and January the coldest (average low -16°C).

Gatineau climate at a glance

Humid continental climate

Gatineau, Quebec has warm summers and cold winters. Daytime highs range from about -5°C in January to 27°C in July. June is usually the wettest month, and snow falls in winter. The most comfortable time to visit is typically May and July to September, when daytime highs sit near 23°C.

How much rain does Gatineau get?

Gatineau gets 917 mm of precipitation in an average year, spread over about 135 days with measurable rain. That is more rainy days than 60% of Canada.

June is the wettest month, with 93 mm. February is the driest, with 54 mm. December has the most rainy days, about 14.

The longest dry spell in the last five years lasted 10 days, to April 15, 2023.

Does it snow in Gatineau?

The snowiest winter on record is 2007–08, with 378 cm.

The most recent measurable snow at the station fell on March 19, 2024.

Gatineau weather by month

Gatineau weather in January

In January, Gatineau averages a high of -6°C and a low of -16°C. It gets 70 mm of precipitation over about 14 rainy days. The sun is out about 26% of daylight hours. The January record high is 11°C (2008) and the record low is -37°C (1981).

Gatineau weather in February

In February, Gatineau averages a high of -3°C and a low of -14°C. It gets 54 mm of precipitation over about 10 rainy days. The sun is out about 32% of daylight hours. The February record high is 14°C (2024) and the record low is -36°C (1972).

Gatineau weather in March

In March, Gatineau averages a high of 3°C and a low of -8°C. It gets 62 mm of precipitation over about 10 rainy days. The sun is out about 32% of daylight hours. The March record high is 27°C (2012) and the record low is -32°C (2007).

Gatineau weather in April

In April, Gatineau averages a high of 11°C and a low of 0°C. It gets 81 mm of precipitation over about 11 rainy days. The sun is out about 36% of daylight hours. The April record high is 31°C (1990) and the record low is -18°C (2003).

Gatineau weather in May

In May, Gatineau averages a high of 19°C and a low of 7°C. It gets 75 mm of precipitation over about 11 rainy days. The sun is out about 42% of daylight hours. The May record high is 37°C (2010) and the record low is -4°C (1974). May is one of the most comfortable months to visit.

Gatineau weather in June

In June, Gatineau averages a high of 24°C and a low of 12°C. It gets 93 mm of precipitation over about 11 rainy days. The sun is out about 38% of daylight hours. The June record high is 35°C (2023) and the record low is -1°C (1980).

Gatineau weather in July

In July, Gatineau averages a high of 27°C and a low of 15°C. It gets 77 mm of precipitation over about 9 rainy days. The sun is out about 44% of daylight hours. The July record high is 37°C (2020) and the record low is 6°C (2000). July is one of the most comfortable months to visit.

Gatineau weather in August

In August, Gatineau averages a high of 25°C and a low of 14°C. It gets 77 mm of precipitation over about 9 rainy days. The sun is out about 40% of daylight hours. The August record high is 37°C (1975) and the record low is 4°C (1986). August is one of the most comfortable months to visit.

Gatineau weather in September

In September, Gatineau averages a high of 21°C and a low of 9°C. It gets 84 mm of precipitation over about 11 rainy days. The sun is out about 45% of daylight hours. The September record high is 34°C (2002) and the record low is -6°C (2000). September is one of the most comfortable months to visit.

Gatineau weather in October

In October, Gatineau averages a high of 13°C and a low of 3°C. It gets 88 mm of precipitation over about 13 rainy days. The sun is out about 35% of daylight hours. The October record high is 31°C (2023) and the record low is -8°C (2013).

Gatineau weather in November

In November, Gatineau averages a high of 5°C and a low of -3°C. It gets 80 mm of precipitation over about 13 rainy days. The sun is out about 32% of daylight hours. The November record high is 23°C (2022) and the record low is -24°C (2018).

Gatineau weather in December

In December, Gatineau averages a high of -2°C and a low of -10°C. It gets 76 mm of precipitation over about 14 rainy days. The sun is out about 19% of daylight hours. The December record high is 14°C (2021) and the record low is -34°C (1980).

Sunshine, humidity and wind in Gatineau

September is the sunniest month in Gatineau, with sunshine about 45% of daylight hours. December is the cloudiest, at 19%. Over the year the sun shines about 35% of daylight hours. Gatineau is cloudier than 60% of Canada.

Humidity peaks in December at 80% and is lowest in May at 57%.

Gatineau has about 4 days a year above 32°C. Gatineau is hotter than 60% of Canada.

First and last freeze in Gatineau

The first fall freeze in Gatineau typically comes around October 9, and the last spring freeze around May 7. That leaves a frost-free growing season of about 155 days.

Gatineau weather records

The hottest temperature on record at the Gatineau station is 37°C, on August 1, 1975. The coldest is -37°C, on January 3, 1981.

The wettest day on record brought 146 mm of rain, on June 23, 2011.

46 all-time records have been set at the station since 1970.

The annual mean temperature has changed by +0.3°C per decade since 1970.

The best time to visit Gatineau

The most comfortable time to visit is typically May and July to September, when daytime highs sit near 23°C.

Winter (December–February) is cold, with average highs around -4°C and lows near -13°C. Snow is possible.

Spring (March–May) is chilly, with average highs around 11°C and lows near -1°C.

Summer (June–August) is warm, with average highs around 25°C and lows near 14°C. It can feel humid.

Autumn (September–November) is mild, with average highs around 13°C and lows near 3°C.

Monthly climate

MonthPrecipRain daysHumiditySunshineRecord highRecord low
January70 mm1478%26%11°-37°
February54 mm1072%32%14°-36°
March62 mm1066%32%27°-32°
April81 mm1158%36%31°-18°
May75 mm1157%42%37°-4°
June93 mm1168%38%35°-1°
July77 mm973%44%37°
August77 mm977%40%37°
September84 mm1177%45%34°-6°
October88 mm1377%35%31°-8°
November80 mm1374%32%23°-24°
December76 mm1480%19%14°-34°

From ERA5 reanalysis. Sunshine is estimated from cloud cover.

Gatineau climate questions

How much rain does Gatineau get?

Gatineau gets 917 mm of precipitation in an average year, over about 135 rainy days.

What is the wettest month in Gatineau?

June is the wettest month in Gatineau, with 93 mm. February is the driest, with 54 mm.

How many rainy days does Gatineau have a year?

Gatineau has about 135 days with measurable rain in an average year. December has the most, about 14.

What is the hottest month in Gatineau?

July is the warmest month in Gatineau, with an average high of 27°C.

What is the coldest month in Gatineau?

January is the coldest month in Gatineau, with an average low of -16°C.

What is the record high temperature in Gatineau?

The record high at the Gatineau station is 37°C, set on August 1, 1975. The record low is -37°C, on January 3, 1981.

What is the sunniest month in Gatineau?

September is the sunniest month in Gatineau, with sunshine about 45% of daylight hours. December is the cloudiest.

When is the first frost in Gatineau?

The first fall freeze in Gatineau typically comes around October 9. The last spring freeze is around May 7.

What is the best time to visit Gatineau?

The most comfortable time to visit is typically May and July to September, when daytime highs sit near 23°C.

Source: NOAA GHCN-Daily station CHELSEA (8 km away).

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Normals from NOAA GHCN-Daily station CHELSEA.