May weather forecastStony Mountain, Canada
May
Weather in May
May, the last month of the spring in Stony Mountain, is a refreshing month, with an average temperature fluctuating between 7.7°C (45.9°F) and 16.9°C (62.4°F).Temperature
Stony Mountain in May sees a clear temperature escalation, with average high-temperatures increasing from a frosty 8°C (46.4°F) in April to a comfortable 16.9°C (62.4°F). Stony Mountain, in May, observes a steady average low-temperature of 7.7°C (45.9°F).Humidity
The months with the lowest humidity are May and August, with an average relative humidity of 63%.Rainfall
In Stony Mountain, in May, during 13.3 rainfall days, 53mm (2.09") of precipitation is typically accumulated. Throughout the year, there are 101.8 rainfall days, and 395mm (15.55") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 1 snowfall days, in May, Stony Mountain aggregates 6mm (0.24") of snow. Throughout the year, there are 73.2 snowfall days, and 479mm (18.86") of snow is accumulated.Daylight
In May, the average length of the day is 15h and 28min.On the first day of the month, sunrise is at 6:03 am and sunset at 8:48 pm. On the last day of May, in Stony Mountain, sunrise is at 5:24 am and sunset at 9:29 pm CDT.
Sunshine
The average sunshine in May is 8.7h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 4 during May, leads to the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Stony Mountain, Canada
- Average high temperature in May: 16.9°C
The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (-11.3°C).
- Average low temperature in May: 7.7°C
The month with the highest average low temperature is July (14.8°C).
The coldest month (with the lowest average low temperature) is January (-18.5°C).
Average pressure in May
Stony Mountain, Canada
- Average pressure in May: 1014.1mbar
The month with the highest atmospheric pressure is February (1020.9mbar).
The month with the lowest atmospheric pressure is June (1010.5mbar).
Average wind speed in May
Stony Mountain, Canada
- Average wind speed in May: 15km/h
The windiest month (with the highest average wind speed) is October (16km/h).
The calmest month (with the lowest average wind speed) is August (12.8km/h).
Average humidity in May
Stony Mountain, Canada
- Average humidity in May: 63%
The months with the highest relative humidity are January and February (92%).
The months with the lowest relative humidity are May and August (63%).
Average rainfall in May
Stony Mountain, Canada
- Average rainfall in May: 53mm
The wettest month (with the highest rainfall) is June (70mm).
The driest month (with the least rainfall) is February (10mm).
Average rainfall days in May
Stony Mountain, Canada
- Average rainfall days in May: 13.3 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (1.2 days).
Average snowfall in May
Stony Mountain, Canada
- Average snowfall in May: 6mm
The month with the highest snowfall is November (91mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Stony Mountain, Canada
- Average snowfall days in May: 1 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Stony Mountain, Canada
- Average daylight in May: 15h and 30min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in May: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in May
Stony Mountain, Canada
- Average sunshine days in May: 15.3 days
The month with the most sunshine days is December (18.9 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in May
Stony Mountain, Canada
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 1).
Average cloud cover in May
Stony Mountain, Canada
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Stony Mountain, Canada
- Average visibility in May: 9km
The months with the highest visibility are August and September (10km).
The month with the lowest visibility is January (7km).
