Laval, Quebec Weather by Month and Climate Averages

How much rain does Laval get?

Laval gets 1106 mm of precipitation in an average year, spread over about 150 days with measurable rain. That is more rainy days than 72% of Canada.

October is the wettest month, with 108 mm. February is the driest, with 71 mm. December has the most rainy days, about 16.

The longest dry spell in the last five years lasted 11 days, to June 4, 2023.

Laval weather by month

Laval weather in January

In January, Laval averages a high of -4°C and a low of -12°C. It gets 82 mm of precipitation over about 14 rainy days. The sun is out about 30% of daylight hours. The January record high is 13°C (1995) and the record low is -28°C (2004).

Laval weather in February

In February, Laval averages a high of -3°C and a low of -11°C. It gets 71 mm of precipitation over about 13 rainy days. The sun is out about 35% of daylight hours. The February record high is 15°C (2024) and the record low is -29°C (2023).

Laval weather in March

In March, Laval averages a high of 3°C and a low of -5°C. It gets 84 mm of precipitation over about 13 rainy days. The sun is out about 34% of daylight hours. The March record high is 26°C (2012) and the record low is -27°C (2003).

Laval weather in April

In April, Laval averages a high of 11°C and a low of 3°C. It gets 97 mm of precipitation over about 13 rainy days. The sun is out about 38% of daylight hours. The April record high is 30°C (2009) and the record low is -11°C (2018).

Laval weather in May

In May, Laval averages a high of 19°C and a low of 9°C. It gets 89 mm of precipitation over about 13 rainy days. The sun is out about 43% of daylight hours. The May record high is 36°C (2020) and the record low is 0°C (2020). May is one of the most comfortable months to visit.

Laval weather in June

In June, Laval averages a high of 24°C and a low of 15°C. It gets 102 mm of precipitation over about 12 rainy days. The sun is out about 38% of daylight hours. The June record high is 35°C (2023) and the record low is 5°C (2007). June is one of the most comfortable months to visit.

Laval weather in July

In July, Laval averages a high of 27°C and a low of 18°C. It gets 92 mm of precipitation over about 11 rainy days. The sun is out about 44% of daylight hours. The July record high is 37°C (2018) and the record low is 9°C (2001). July is one of the most comfortable months to visit.

Laval weather in August

In August, Laval averages a high of 26°C and a low of 17°C. It gets 107 mm of precipitation over about 11 rainy days. The sun is out about 40% of daylight hours. The August record high is 36°C (2001) and the record low is 9°C (2007). August is one of the most comfortable months to visit.

Laval weather in September

In September, Laval averages a high of 21°C and a low of 12°C. It gets 88 mm of precipitation over about 10 rainy days. The sun is out about 46% of daylight hours. The September record high is 33°C (2008) and the record low is 1°C (2000). September is one of the most comfortable months to visit.

Laval weather in October

In October, Laval averages a high of 13°C and a low of 6°C. It gets 108 mm of precipitation over about 12 rainy days. The sun is out about 38% of daylight hours. The October record high is 30°C (2023) and the record low is -3°C (1997).

Laval weather in November

In November, Laval averages a high of 6°C and a low of 0°C. It gets 82 mm of precipitation over about 13 rainy days. The sun is out about 37% of daylight hours. The November record high is 24°C (2022) and the record low is -17°C (2018).

Laval weather in December

In December, Laval averages a high of -1°C and a low of -7°C. It gets 104 mm of precipitation over about 16 rainy days. The sun is out about 26% of daylight hours. The December record high is 17°C (2001) and the record low is -26°C (2004).

Sunshine, humidity and wind in Laval

September is the sunniest month in Laval, with sunshine about 46% of daylight hours. December is the cloudiest, at 26%. Over the year the sun shines about 37% of daylight hours. Laval is sunnier than 61% of Canada.

Humidity peaks in January at 80% and is lowest in May at 58%.

Laval has about 4 days a year above 32°C. Laval is hotter than 53% of Canada.

First and last freeze in Laval

The first fall freeze in Laval typically comes around October 29, and the last spring freeze around April 19. That leaves a frost-free growing season of about 193 days.

Laval weather records

The hottest temperature on record at the Laval station is 37°C, on July 2, 2018. The coldest is -29°C, on February 4, 2023.

The wettest day on record brought 103 mm of rain, on November 8, 1996.

43 all-time records have been set at the station since 1994.

The best time to visit Laval

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

Winter (December–February) is cold, with average highs around -2°C and lows near -10°C.

Spring (March–May) is chilly, with average highs around 11°C and lows near 2°C.

Summer (June–August) is warm, with average highs around 25°C and lows near 16°C. It can feel humid.

Autumn (September–November) is mild, with average highs around 14°C and lows near 6°C.

Laval climate questions

How much rain does Laval get?

Laval gets 1106 mm of precipitation in an average year, over about 150 rainy days.

What is the wettest month in Laval?

October is the wettest month in Laval, with 108 mm. February is the driest, with 71 mm.

How many rainy days does Laval have a year?

Laval has about 150 days with measurable rain in an average year. December has the most, about 16.

What is the hottest month in Laval?

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

What is the coldest month in Laval?

January is the coldest month in Laval, with an average low of -12°C.

What is the record high temperature in Laval?

The record high at the Laval station is 37°C, set on July 2, 2018. The record low is -29°C, on February 4, 2023.

What is the sunniest month in Laval?

September is the sunniest month in Laval, with sunshine about 46% of daylight hours. December is the cloudiest.

When is the first frost in Laval?

The first fall freeze in Laval typically comes around October 29. The last spring freeze is around April 19.

What is the best time to visit Laval?

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