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
May
Weather in May
Temperature
The start of May signals a considerable escalation in the average high-temperature, advancing from a chilly 9.9°C (49.8°F) in April to an enjoyable 18.3°C (64.9°F). In May, Saint-Laurent's temperature tends to fall to an average low of 8.5°C (47.3°F) during the night.Humidity
The months with the lowest humidity are April and May, with an average relative humidity of 74%.Rainfall
May is the month with the most rainfall in Saint-Laurent, Canada. Rain falls for 16.9 days and accumulates 78mm (3.07") of precipitation.Snowfall
Months with snowfall in Saint-Laurent are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, Saint-Laurent aggregates 1mm (0.04") of snow. Throughout the year, there are 63.4 snowfall days, and 895mm (35.24") of snow is accumulated.Daylight
The average length of the day in May is 14h and 55min.On the first day of the month, sunrise is at 5:41 am and sunset at 8:02 pm. On the last day of May, sunrise is at 5:09 am and sunset at 8:35 pm EDT.
Sunshine
In Saint-Laurent, the average sunshine in May is 8.2h.UV index
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 4 in May transforms into this advice:
Make use of precautions - Suggestions to resist sunburn are communicated. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What are the least humid months?
What is the average humidity in May?
What is the rainiest month?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When are sunrise and sunset in May in Saint-Laurent?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Saint-Laurent, Canada
- Average high temperature in May: 18.3°C
The warmest month (with the highest average high temperature) is July (25.4°C).
The month with the lowest average high temperature is January (-5.8°C).
- Average low temperature in May: 8.5°C
The month with the highest average low temperature is July (16.2°C).
The coldest month (with the lowest average low temperature) is January (-13.1°C).
Average pressure in May
Saint-Laurent, 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
Saint-Laurent, Canada
- Average wind speed in May: 12.9km/h
The windiest month (with the highest average wind speed) is April (14.4km/h).
The calmest months (with the lowest average wind speed) are July, August and September (11km/h).
Average humidity in May
Saint-Laurent, 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
Saint-Laurent, Canada
- Average rainfall in May: 78mm
The wettest month (with the highest rainfall) is May (78mm).
The driest months (with the least rainfall) are February and September (54mm).
Average rainfall days in May
Saint-Laurent, Canada
- Average rainfall days in May: 16.9 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (5 days).
Average snowfall in May
Saint-Laurent, Canada
- Average snowfall in May: 1mm
The month with the highest snowfall is January (242mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Saint-Laurent, Canada
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Saint-Laurent, 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 6min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in May
Saint-Laurent, Canada
- Average sunshine days in May: 13 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in May
Saint-Laurent, 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, November and December (UV index 1).
Average cloud cover in May
Saint-Laurent, Canada
- Average cloud cover in May: 46
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in May
Saint-Laurent, Canada
- Average visibility in May: 9km
The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is January (7km).
