Climate and monthly weather forecastLongueuil, Canada
Climate and monthly weather forecast
Weather in January
January, the same as December, in Longueuil, Canada, is another subzero cold winter month, with an average temperature varying between -5.8°C (21.6°F) and -13.1°C (8.4°F). Longueuil reaches its lowest average temperatures in January, measuring -5.8°C (21.6°F) at the peak and -13.1°C (8.4°F) at the lowest. Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Longueuil, Canada, with temperature in the range of an average low of -11.8°C (10.8°F) and an average high of -4.1°C (24.6°F). February's climate shows a minor adjustment in average high-temperatures to a still subzero cold -4.1°C (24.6°F) from January's -5.8°C (21.6°F). Weather in February »Weather in March
March, the first month of the spring in Longueuil, is a wintry month, with an average temperature fluctuating between -5.8°C (21.6°F) and 1.2°C (34.2°F). As March arrives, a rise in the average high-temperature is observed, moving from a freezing cold -4.1°C (24.6°F) in February to a cold 1.2°C (34.2°F). Weather in March »Weather in April
April is a frosty spring month in Longueuil, Canada, with an average temperature varying between 9.9°C (49.8°F) and 1.6°C (34.9°F). As March gives way to April, the average high-temperature displays a considerable increase, soaring from a cold 1.2°C (34.2°F) to a chilly 9.9°C (49.8°F). Weather in April »Weather in May
May, the last month of the spring in Longueuil, is an enjoyable month, with an average temperature varying between 18.4°C (65.1°F) and 8.7°C (47.7°F). As Longueuil steps into May, a marked temperature rise is observed, with the average high-temperature advancing from April's frosty 9.9°C (49.8°F) to a refreshing 18.4°C (65.1°F). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Longueuil, Canada, with an average temperature varying between 12.8°C (55°F) and 22.2°C (72°F). In June, the average high-temperature marginally rises from a comfortable 18.4°C (65.1°F) in May to a pleasant 22.2°C (72°F). Weather in June »Weather in July
July is a moderately hot summer month in Longueuil, Canada, with an average temperature varying between 25.8°C (78.4°F) and 16.3°C (61.3°F). The highest temperatures are recorded in July, with averages reaching a high of 25.8°C (78.4°F) and a low of 16.3°C (61.3°F). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Longueuil, Canada, with temperature in the range of an average low of 15.3°C (59.5°F) and an average high of 24.8°C (76.6°F). With the start of August, Longueuil measures an average high-temperature of a still moderately hot 24.8°C (76.6°F), not significantly differing from July's 25.8°C (78.4°F). Weather in August »Weather in September
September, the first month of the autumn in Longueuil, is still a pleasant month, with temperature in the range of an average low of 11.5°C (52.7°F) and an average high of 20.8°C (69.4°F). As September arrives, Longueuil's weather displays a minor decrease in high-temperatures, transitioning from August's moderately hot 24.8°C (76.6°F) to a pleasant 20.8°C (69.4°F). Weather in September »Weather in October
October, the same as September, is another fresh autumn month in Longueuil, Canada, with temperature in the range of an average low of 6.1°C (43°F) and an average high of 12.8°C (55°F). Longueuil, Canada, in October showcases a distinct temperature shift, moving from an average high of a pleasant 20.8°C (69.4°F) in September to a fresh 12.8°C (55°F). Weather in October »Weather in November
November, the last month of the autumn in Longueuil, is also an icy month, with an average temperature fluctuating between 5.1°C (41.2°F) and -1°C (30.2°F). The commencement of November involves a temperature shift, with the average high-temperature dropping from a cool 12.8°C (55°F) in October to a cold 5.1°C (41.2°F). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Longueuil, Canada, with an average temperature varying between -2.2°C (28°F) and -7.6°C (18.3°F). The average high-temperature decreases in December, shifting from an icy 5.1°C (41.2°F) in November to a subzero cold -2.2°C (28°F). Weather in December »Updated: Feb 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January is the coldest month in Longueuil, Canada, with the temperature often reaching an average high of -5.8°C (21.6°F) and an average low of -13.1°C (8.4°F).
The months with the highest humidity are January and February, with an average relative humidity of 90%.
Throughout the year, in Longueuil, Canada, there are 154.5 rainfall days, and 864mm (34.02") of precipitation is accumulated.
January through May, October through December are months with snowfall.
January is the month with the most snowfall. Snow falls for 18.3 days and accumulates 293mm (11.54") of snow.
Throughout the year, in Longueuil, Canada, there are 74.1 snowfall days, and 1120mm (44.09") of snow is accumulated.
The months with the lowest UV index in Longueuil are January, February and December, with an average maximum UV index of 1.
The month with the least sunshine in Longueuil is February, with an average of 2.7h of sunshine.
On Sunday, 10. March 2024, at 2:00 am, Daylight Saving Time starts in Longueuil, and the time zone changes from EST to EDT. Daylight Saving Time ends on Sunday, 03. November 2024, at 2:00 am, and the time zone reverts from EDT to EST.
The least humid month is May, with an average relative humidity of 73%.
May is the month with the most rainfall in Longueuil. Rain falls for 17.8 days and accumulates 85mm (3.35") of precipitation.
In Longueuil, snow does not fall in June through September.
With an average of 15h and 36min of daylight, June has the longest days of the year.
July, on average, is the warmest month, registering a high temperature of 25.8°C (78.4°F) and a low of 16.3°C (61.3°F).
July has the most sunshine of the year, with an average of 10h of sunshine.
July is the month with the highest UV index, with an average maximum UV index of 6.
The month with the least rainfall in Longueuil is September, when the rain falls for 12 days and typically collects 55mm (2.17") of precipitation.
With an average of 8h and 48min of daylight, December has the shortest days of the year in Longueuil.
Average temperature
Longueuil, Canada
The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is January (-5.8°C).
The month with the highest average low temperature is July (16.3°C).
The coldest month (with the lowest average low temperature) is January (-13.1°C).
Average pressure
Longueuil, Canada
- Average pressure in January:
1016.4mbar - Average pressure in February:
1016.1mbar - Average pressure in March:
1017.6mbar - Average pressure in April:
1014.3mbar - Average pressure in May:
1014.8mbar - Average pressure in June:
1012.4mbar
- Average pressure in July:
1013.1mbar - Average pressure in August:
1014.2mbar - Average pressure in September:
1017.1mbar - Average pressure in October:
1015.6mbar - Average pressure in November:
1017.8mbar - Average pressure in December:
1017.3mbar
The month with the highest atmospheric pressure is November (1017.8mbar).
The month with the lowest atmospheric pressure is June (1012.4mbar).
Average wind speed
Longueuil, Canada
- Average wind speed in January:
13.8km/h - Average wind speed in February:
14.1km/h - Average wind speed in March:
13.6km/h - Average wind speed in April:
14.3km/h - Average wind speed in May:
12.9km/h - Average wind speed in June:
11.6km/h
- Average wind speed in July:
11km/h - Average wind speed in August:
10.9km/h - Average wind speed in September:
11.1km/h - Average wind speed in October:
12.9km/h - Average wind speed in November:
13.2km/h - Average wind speed in December:
13km/h
The windiest month (with the highest average wind speed) is April (14.3km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity
Longueuil, Canada
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (73%).
Average rainfall
Longueuil, Canada
The wettest month (with the highest rainfall) is May (85mm).
The driest month (with the least rainfall) is September (55mm).
Average rainfall days
Longueuil, Canada
- Average rainfall days in January:
5 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
17 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
17.5 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
12 days - Average rainfall days in October:
15.3 days - Average rainfall days in November:
11.2 days - Average rainfall days in December:
8.5 days
The months with the highest number of rainy days are May and July (17.8 days).
The month with the least rainy days is January (5 days).
Average snowfall
Longueuil, Canada
The month with the highest snowfall is January (293mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Longueuil, Canada
- Average snowfall days in January:
18.3 days - Average snowfall days in February:
17.5 days - Average snowfall days in March:
12.8 days - Average snowfall days in April:
4.5 days - Average snowfall days in May:
0.3 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.5 days - Average snowfall days in November:
5.7 days - Average snowfall days in December:
14.5 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Longueuil, Canada
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 18min - Average daylight in August:
14h and 6min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January:
3h and 0min - Average sunshine in February:
2h and 42min - Average sunshine in March:
4h and 30min - Average sunshine in April:
6h and 30min - Average sunshine in May:
8h and 6min - Average sunshine in June:
8h and 42min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 30min - Average sunshine in October:
5h and 6min - Average sunshine in November:
4h and 18min - Average sunshine in December:
3h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days
Longueuil, Canada
- Average sunshine days in January:
10.5 days - Average sunshine days in February:
8.9 days - Average sunshine days in March:
10.7 days - Average sunshine days in April:
9.9 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
10.6 days
- Average sunshine days in July:
10.7 days - Average sunshine days in August:
12.2 days - Average sunshine days in September:
16.2 days - Average sunshine days in October:
14 days - Average sunshine days in November:
14.4 days - Average sunshine days in December:
11.1 days
The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is February (8.9 days).
Average UV index
Longueuil, Canada
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover
Longueuil, Canada
The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility
Longueuil, Canada
The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and February (7km).
