- WinterDec–Feb-9°-2°
- December-7°-1°
- January-12°-4°
- February-11°-3°
- SpringMar–May2°11°
- March-5°3°
- April3°11°
- May9°19°
- SummerJun–Aug16°26°
- June15°24°
- July18°27°
- August17°26°
- AutumnSep–Nov6°14°
- September12°21°
- October6°13°
- November0°6°
Le Plateau-Mont-Royal, Quebec Weather by Month and Climate Averages
Le Plateau-Mont-Royal, Quebec gets 1106 mm of precipitation a year over about 150 rainy days. July is the warmest month (average high 27°C) and January the coldest (average low -12°C).
Le Plateau-Mont-Royal climate at a glance
Humid continental climate
Le Plateau-Mont-Royal, Quebec has warm summers and cold winters. Daytime highs range from about -4°C in January to 26°C in July. October is usually the wettest month. The most comfortable time to visit is typically May to September, when daytime highs sit near 23°C.
How much rain does Le Plateau-Mont-Royal get?
Le Plateau-Mont-Royal 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.
Le Plateau-Mont-Royal weather by month
Le Plateau-Mont-Royal weather in January
In January, Le Plateau-Mont-Royal 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 31% of daylight hours. The January record high is 13°C (1995) and the record low is -28°C (2004).
Le Plateau-Mont-Royal weather in February
In February, Le Plateau-Mont-Royal 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).
Le Plateau-Mont-Royal weather in March
In March, Le Plateau-Mont-Royal 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 33% of daylight hours. The March record high is 26°C (2012) and the record low is -27°C (2003).
Le Plateau-Mont-Royal weather in April
In April, Le Plateau-Mont-Royal 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 37% of daylight hours. The April record high is 30°C (2009) and the record low is -11°C (2018).
Le Plateau-Mont-Royal weather in May
In May, Le Plateau-Mont-Royal 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 42% 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.
Le Plateau-Mont-Royal weather in June
In June, Le Plateau-Mont-Royal 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 39% 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.
Le Plateau-Mont-Royal weather in July
In July, Le Plateau-Mont-Royal 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 43% 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.
Le Plateau-Mont-Royal weather in August
In August, Le Plateau-Mont-Royal 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.
Le Plateau-Mont-Royal weather in September
In September, Le Plateau-Mont-Royal 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.
Le Plateau-Mont-Royal weather in October
In October, Le Plateau-Mont-Royal 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 39% of daylight hours. The October record high is 30°C (2023) and the record low is -3°C (1997).
Le Plateau-Mont-Royal weather in November
In November, Le Plateau-Mont-Royal 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).
Le Plateau-Mont-Royal weather in December
In December, Le Plateau-Mont-Royal 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 27% of daylight hours. The December record high is 17°C (2001) and the record low is -26°C (2004).
Sunshine, humidity and wind in Le Plateau-Mont-Royal
September is the sunniest month in Le Plateau-Mont-Royal, with sunshine about 46% of daylight hours. December is the cloudiest, at 27%. Over the year the sun shines about 37% of daylight hours. Le Plateau-Mont-Royal is sunnier than 61% of Canada.
Humidity peaks in January at 79% and is lowest in May at 54%.
Le Plateau-Mont-Royal has about 4 days a year above 32°C. Le Plateau-Mont-Royal is hotter than 53% of Canada.
First and last freeze in Le Plateau-Mont-Royal
The first fall freeze in Le Plateau-Mont-Royal typically comes around October 29, and the last spring freeze around April 19. That leaves a frost-free growing season of about 193 days.
Le Plateau-Mont-Royal weather records
The hottest temperature on record at the Le Plateau-Mont-Royal 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 Le Plateau-Mont-Royal
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.
Monthly climate
| Month | Precip | Rain days | Humidity | Sunshine | Record high | Record low |
|---|---|---|---|---|---|---|
| January | 82 mm | 14 | 79% | 31% | 13° | -28° |
| February | 71 mm | 13 | 74% | 35% | 15° | -29° |
| March | 84 mm | 13 | 67% | 33% | 26° | -27° |
| April | 97 mm | 13 | 59% | 37% | 30° | -11° |
| May | 89 mm | 13 | 54% | 42% | 36° | 0° |
| June | 102 mm | 12 | 65% | 39% | 35° | 5° |
| July | 92 mm | 11 | 71% | 43% | 37° | 9° |
| August | 107 mm | 11 | 75% | 40% | 36° | 9° |
| September | 88 mm | 10 | 76% | 46% | 33° | 1° |
| October | 108 mm | 12 | 75% | 39% | 30° | -3° |
| November | 82 mm | 13 | 73% | 37% | 24° | -17° |
| December | 104 mm | 16 | 77% | 27% | 17° | -26° |
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Le Plateau-Mont-Royal climate questions
How much rain does Le Plateau-Mont-Royal get?
Le Plateau-Mont-Royal gets 1106 mm of precipitation in an average year, over about 150 rainy days.
What is the wettest month in Le Plateau-Mont-Royal?
October is the wettest month in Le Plateau-Mont-Royal, with 108 mm. February is the driest, with 71 mm.
How many rainy days does Le Plateau-Mont-Royal have a year?
Le Plateau-Mont-Royal has about 150 days with measurable rain in an average year. December has the most, about 16.
What is the hottest month in Le Plateau-Mont-Royal?
July is the warmest month in Le Plateau-Mont-Royal, with an average high of 27°C.
What is the coldest month in Le Plateau-Mont-Royal?
January is the coldest month in Le Plateau-Mont-Royal, with an average low of -12°C.
What is the record high temperature in Le Plateau-Mont-Royal?
The record high at the Le Plateau-Mont-Royal 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 Le Plateau-Mont-Royal?
September is the sunniest month in Le Plateau-Mont-Royal, with sunshine about 46% of daylight hours. December is the cloudiest.
When is the first frost in Le Plateau-Mont-Royal?
The first fall freeze in Le Plateau-Mont-Royal typically comes around October 29. The last spring freeze is around April 19.
What is the best time to visit Le Plateau-Mont-Royal?
The most comfortable time to visit is typically May to September, when daytime highs sit near 23°C.
Source: NOAA GHCN-Daily station MCTAVISH (3 km away).
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Climate for places near Le Plateau-Mont-Royal, Quebec
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Normals from NOAA GHCN-Daily station MCTAVISH.