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
May brings with it a considerable temperature increase, with average high-temperatures rising from April's frosty 9.9°C (49.8°F) to a refreshing 18.3°C (64.9°F). In May, Mont Saint-Hilaire encounters an average low-temperature of 8.6°C (47.5°F) during the night.Humidity
The months with the lowest humidity in Mont Saint-Hilaire are April and May, with an average relative humidity of 74%.Rainfall
The month with the most rainfall is May, when the rain falls for 18.1 days and typically aggregates up to 86mm (3.39") of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Mont Saint-Hilaire. During 0.3 snowfall days, in May, Mont Saint-Hilaire aggregates 1mm (0.04") of snow. Throughout the year, in Mont Saint-Hilaire, there are 77.9 snowfall days, and 1133mm (44.61") of snow is accumulated.Daylight
In Mont Saint-Hilaire, the average length of the day in May is 14h and 56min.On the first day of May in Mont Saint-Hilaire, Canada, sunrise is at 5:39 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:07 am and sunset at 8:33 pm EDT.
Sunshine
The average sunshine in May in Mont Saint-Hilaire is 8.1h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A daily maximum UV index of 4 in May translates into the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What is the temperature in May in Mont Saint-Hilaire?
What are the least humid months in Mont Saint-Hilaire?
What is the average humidity in May in Mont Saint-Hilaire?
What is the wettest month in Mont Saint-Hilaire?
How much does it rain in Mont Saint-Hilaire in May?
What is the last month it snows in Mont Saint-Hilaire?
What is the average length of the day in May in Mont Saint-Hilaire?
When is the sunrise / sunset in May in Mont Saint-Hilaire?
How many hours of sunshine does Mont Saint-Hilaire have in May?
How high is the UV index in May in Mont Saint-Hilaire?
Average temperature in May
Mont Saint-Hilaire, Canada
- Average high temperature in May: 18.3°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: 8.6°C
The month with the highest average low temperature is July (15.9°C).
The coldest month (with the lowest average low temperature) is January (-13°C).
Average pressure in May
Mont Saint-Hilaire, 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
Mont Saint-Hilaire, Canada
- Average wind speed in May: 12.8km/h
The windiest months (with the highest average wind speed) are February and April (14.2km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in May
Mont Saint-Hilaire, Canada
- Average humidity in May: 74%
The months with the highest relative humidity are January and February (90%).
The months with the lowest relative humidity are April and May (74%).
Average rainfall in May
Mont Saint-Hilaire, Canada
- Average rainfall in May: 86mm
The wettest month (with the highest rainfall) is May (86mm).
The driest month (with the least rainfall) is September (56mm).
Average rainfall days in May
Mont Saint-Hilaire, Canada
- Average rainfall days in May: 18.1 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in May
Mont Saint-Hilaire, Canada
- Average snowfall in May: 1mm
The month with the highest snowfall is January (295mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Mont Saint-Hilaire, Canada
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (18.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Mont Saint-Hilaire, 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 months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days in May
Mont Saint-Hilaire, Canada
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is September (16 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in May
Mont Saint-Hilaire, 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
Mont Saint-Hilaire, 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
Mont Saint-Hilaire, 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).
Mont Saint-Hilaire, Canada
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