May weather forecastCasummit Lake, Canada
May weather forecast for Casummit Lake, Canada: The last month of the spring, May, is a refreshing month in Casummit Lake, Canada, with an average temperature fluctuating between 4.2°C (39.6°F) and 15.3°C (59.5°F). During 3.4 snowfall days, in May, Casummit Lake aggregates 41mm (1.61") of snow.
May
Weather in May
The last month of the spring, May, is a refreshing month in Casummit Lake, Canada, with an average temperature fluctuating between 4.2°C (39.6°F) and 15.3°C (59.5°F).Temperature
The start of May signals a clear increase in the average high-temperature, soaring from a cold 5.3°C (41.5°F) in April to a mild 15.3°C (59.5°F). Casummit Lake reports an average nighttime low-temperature of 4.2°C (39.6°F) in May.Humidity
With an average relative humidity of 63%, May is the least humid month.Rainfall
In Casummit Lake, during May, the rain falls for 13.7 days and regularly aggregates up to 51mm (2.01") of precipitation. Throughout the year, there are 109.3 rainfall days, and 495mm (19.49") of precipitation is accumulated.Snowfall
Months with snowfall in Casummit Lake are January through May, September through December. May is the last month it regularly snows. During 3.4 snowfall days, in May, Casummit Lake aggregates 41mm (1.61") of snow. Throughout the year, there are 140.1 snowfall days, and 1265mm (49.8") of snow is accumulated.Daylight
In May, the average length of the day is 15h and 38min.On the first day of the month, sunrise is at 5:39 am and sunset at 8:33 pm. On the last day of May, sunrise is at 4:58 am and sunset at 9:16 pm CDT.
Sunshine
In May, the average sunshine is 8.3h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Casummit Lake, Canada
- Average high temperature in May: 15.3°C
The warmest month (with the highest average high temperature) is July (24.5°C).
The month with the lowest average high temperature is January (-12.9°C).
- Average low temperature in May: 4.2°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-20.9°C).
Average pressure in May
Casummit Lake, Canada
- Average pressure in May: 1014.5mbar
The month with the highest atmospheric pressure is February (1020.2mbar).
The month with the lowest atmospheric pressure is June (1010.9mbar).
Average wind speed in May
Casummit Lake, Canada
- Average wind speed in May: 11.8km/h
The windiest months (with the highest average wind speed) are September and October (11.9km/h).
The calmest month (with the lowest average wind speed) is December (10.6km/h).
Average humidity in May
Casummit Lake, Canada
- Average humidity in May: 63%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is May (63%).
Average rainfall in May
Casummit Lake, Canada
- Average rainfall in May: 51mm
The wettest month (with the highest rainfall) is June (68mm).
The driest months (with the least rainfall) are February and December (21mm).
Average rainfall days in May
Casummit Lake, Canada
- Average rainfall days in May: 13.7 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is January (1.5 days).
Average snowfall in May
Casummit Lake, Canada
- Average snowfall in May: 41mm
The month with the highest snowfall is March (235mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in May
Casummit Lake, Canada
- Average snowfall days in May: 3.4 days
The month with the highest number of snowfall days is January (24.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Casummit Lake, Canada
- Average daylight in May: 15h and 36min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in May: 8h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 1h and 12min).
Average sunshine days in May
Casummit Lake, Canada
- Average sunshine days in May: 13.5 days
The month with the most sunshine days is September (15.7 days).
The month with the least sunshine days is March (5.6 days).
Average UV index in May
Casummit Lake, Canada
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in May
Casummit Lake, Canada
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 89).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in May
Casummit Lake, Canada
- Average visibility in May: 9km
The months with the highest visibility are May, June, July, August and September (9km).
The months with the lowest visibility are January and February (5km).
