May weather forecastSlave Lake, Canada
May
Weather in May
The last month of the spring, May, is a refreshing month in Slave Lake, Canada, with an average temperature varying between 14.5°C (58.1°F) and 3.4°C (38.1°F).Temperature
Slave Lake's weather experiences a significant temperature rise with the arrival of May, soaring from an icy 5.6°C (42.1°F) in April to a refreshing 14.5°C (58.1°F). Throughout May, an average low-temperature of 3.4°C (38.1°F) is expected in Slave Lake.Humidity
With an average relative humidity of 61%, May is the least humid month.Rainfall
In May, in Slave Lake, the rain falls for 13.1 days. Throughout May, 38mm (1.5") of precipitation is accumulated. In Slave Lake, during the entire year, the rain falls for 119.7 days and collects up to 409mm (16.1") of precipitation.Snowfall
January through June, September through December are months with snowfall in Slave Lake. In Slave Lake, during May, snow falls for 1.8 days and regularly aggregates up to 23mm (0.91") of snow. In Slave Lake, during the entire year, snow falls for 114.3 days and aggregates up to 1073mm (42.24") of snow.Daylight
In Slave Lake, the average length of the day in May is 16h and 14min.On the first day of the month, sunrise is at 5:55 am and sunset at 9:16 pm. On the last day of May, in Slave Lake, sunrise is at 5:05 am and sunset at 10:08 pm MDT.
Sunshine
In May, the average sunshine is 10.3h.UV index
May through August, with an average maximum UV index of 4, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 4 in May leads to these recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Slave Lake, Canada
- Average high temperature in May: 14.5°C
The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is December (-8.5°C).
- Average low temperature in May: 3.4°C
The month with the highest average low temperature is July (9.9°C).
The coldest month (with the lowest average low temperature) is February (-15.1°C).
Average pressure in May
Slave Lake, Canada
- Average pressure in May: 1013.9mbar
The month with the highest atmospheric pressure is February (1019.9mbar).
The month with the lowest atmospheric pressure is June (1010.1mbar).
Average wind speed in May
Slave Lake, Canada
- Average wind speed in May: 11.4km/h
The windiest month (with the highest average wind speed) is October (12.2km/h).
The calmest month (with the lowest average wind speed) is July (10.5km/h).
Average humidity in May
Slave Lake, Canada
- Average humidity in May: 61%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is May (61%).
Average rainfall in May
Slave Lake, Canada
- Average rainfall in May: 38mm
The wettest month (with the highest rainfall) is June (71mm).
The driest month (with the least rainfall) is December (18mm).
Average rainfall days in May
Slave Lake, Canada
- Average rainfall days in May: 13.1 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in May
Slave Lake, Canada
- Average snowfall in May: 23mm
The month with the highest snowfall is March (173mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in May
Slave Lake, Canada
- Average snowfall days in May: 1.8 days
The month with the highest number of snowfall days is March (19.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Slave Lake, Canada
- Average daylight in May: 16h and 12min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in May: 10h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in May
Slave Lake, Canada
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is April (8 days).
Average UV index in May
Slave Lake, Canada
- Average UV index in May: 4
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, October and December (UV index 1).
Average cloud cover in May
Slave Lake, Canada
- Average cloud cover in May: 36
The months with the most cloud cover are February and March (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Slave Lake, Canada
- Average visibility in May: 9km
The months with the highest visibility are May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February and March (6km).
