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
May is marked by a significant increase, with the average high-temperature advancing from a frosty 7.3°C (45.1°F) in April to a mild 15.5°C (59.9°F). During May, the average low-temperature is a cold 5.3°C (41.5°F).Humidity
The least humid month is May, with an average relative humidity of 64%.Rainfall
In Blackfalds, during May, the rain falls for 15.3 days and regularly aggregates up to 59mm (2.32") of precipitation. Throughout the year, there are 117.1 rainfall days, and 381mm (15") of precipitation is accumulated.Snowfall
Months with snowfall in Blackfalds, Canada, are January through May, September through December. May is the last month it regularly snows in Blackfalds. During 1.9 snowfall days, in May, Blackfalds aggregates 31mm (1.22") of snow. Throughout the year, there are 80.8 snowfall days, and 686mm (27.01") of snow is accumulated.Daylight
The average length of the day in May in Blackfalds is 15h and 47min.On the first day of the month, sunrise is at 6:02 am and sunset at 9:02 pm. On the last day of May, sunrise is at 5:18 am and sunset at 9:47 pm MDT.
Sunshine
The average sunshine in May is 9.7h.UV index
In May, the average daily maximum UV index in Blackfalds is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 4 in May interprets into the following advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Blackfalds?
What is the least humid month in Blackfalds?
What is the average humidity in May in Blackfalds?
How much does it rain in Blackfalds in May?
What is the last month it snows in Blackfalds?
What is the average length of the day in May in Blackfalds?
When are sunrise and sunset in May in Blackfalds?
How long on average sun shines in May in Blackfalds?
How high is the UV index in May in Blackfalds?
Average temperature in May
Blackfalds, Canada
- Average high temperature in May: 15.5°C
The warmest month (with the highest average high temperature) is August (21.5°C).
The month with the lowest average high temperature is December (-6.3°C).
- Average low temperature in May: 5.3°C
The month with the highest average low temperature is July (9.8°C).
The coldest month (with the lowest average low temperature) is February (-13.6°C).
Average pressure in May
Blackfalds, Canada
- Average pressure in May: 1013.4mbar
The month with the highest atmospheric pressure is February (1019.5mbar).
The month with the lowest atmospheric pressure is June (1010.4mbar).
Average wind speed in May
Blackfalds, Canada
- Average wind speed in May: 13.4km/h
The windiest month (with the highest average wind speed) is April (13.7km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in May
Blackfalds, Canada
- Average humidity in May: 64%
The months with the highest relative humidity are February and March (88%).
The month with the lowest relative humidity is May (64%).
Average rainfall in May
Blackfalds, Canada
- Average rainfall in May: 59mm
The wettest month (with the highest rainfall) is June (81mm).
The driest months (with the least rainfall) are February and December (11mm).
Average rainfall days in May
Blackfalds, Canada
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is June (20.1 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in May
Blackfalds, Canada
- Average snowfall in May: 31mm
The month with the highest snowfall is November (116mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in May
Blackfalds, Canada
- Average snowfall days in May: 1.9 days
The month with the highest number of snowfall days is February (14.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Blackfalds, Canada
- Average daylight in May: 15h and 5min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in May: 9h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in May
Blackfalds, Canada
- Average sunshine days in May: 12.5 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is June (7.2 days).
Average UV index in May
Blackfalds, Canada
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in May
Blackfalds, Canada
- Average cloud cover in May: 39
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Blackfalds, Canada
- Average visibility in May: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April and December (8km).
