Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
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). During May, an average low-temperature of 8.7°C (47.7°F) is observed in Longueuil.Humidity
With an average relative humidity of 73%, May is the least humid month in Longueuil.Rainfall
May is the month with the most rainfall in Longueuil, Canada. Rain falls for 17.8 days and accumulates 85mm (3.35") of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Longueuil aggregates 1mm (0.04") of snow. In Longueuil, during the entire year, snow falls for 74.1 days and aggregates up to 1120mm (44.09") of snow.Daylight
In May, the average length of the day in Longueuil is 14h and 56min.On the first day of May, sunrise is at 5:40 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:08 am and sunset at 8:35 pm EDT.
Sunshine
In Longueuil, the average sunshine in May is 8.1h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What is the temperature in May in Longueuil?
What is the least humid month in Longueuil?
What is the average humidity in May in Longueuil?
What is the wettest month in Longueuil?
How much does it rain in Longueuil in May?
What is the last month it snows in Longueuil?
How many hours of daylight does Longueuil have in May?
What time are sunrise and sunset in May in Longueuil?
How many hours of sunshine does Longueuil have in May?
What is the UV index reading in May in Longueuil?
Average temperature in May
Longueuil, Canada
- Average high temperature in May: 18.4°C
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).
- Average low temperature in May: 8.7°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 in May
Longueuil, Canada
- Average pressure in May: 1014.8mbar
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 in May
Longueuil, Canada
- Average wind speed in May: 12.9km/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 in May
Longueuil, Canada
- Average humidity in May: 73%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (73%).
Average rainfall in May
Longueuil, Canada
- Average rainfall in May: 85mm
The wettest month (with the highest rainfall) is May (85mm).
The driest month (with the least rainfall) is September (55mm).
Average rainfall days in May
Longueuil, Canada
- Average rainfall days in May: 17.8 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 in May
Longueuil, Canada
- Average snowfall in May: 1mm
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 in May
Longueuil, Canada
- Average snowfall days in May: 0.3 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 in May /
Average sunshine in May
Longueuil, Canada
- Average daylight in May: 14h and 5min
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 May: 8h and 1min
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 in May
Longueuil, Canada
- Average sunshine days in May: 11.8 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 in May
Longueuil, Canada
- Average UV index in May: 4
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 in May
Longueuil, Canada
- Average cloud cover in May: 46
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 in May
Longueuil, Canada
- Average visibility in May: 9km
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).
Longueuil, Canada
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