May weather forecastDease Lake, Canada
May
Weather in May
The last month of the spring, May, is a frosty month in Dease Lake, Canada, with an average temperature fluctuating between 0.8°C (33.4°F) and 9.6°C (49.3°F).Temperature
The beginning of May signals a clear escalation in the average high-temperature, soaring from a wintry 0.8°C (33.4°F) in April to a frosty 9.6°C (49.3°F). In May, the recorded average low-temperature in Dease Lake, Canada, is an icy 0.8°C (33.4°F).Humidity
In Dease Lake, the average relative humidity in May is 67%.Rainfall
In Dease Lake, in May, it is raining for 11.2 days, with typically 19mm (0.75") of accumulated precipitation. In Dease Lake, during the entire year, the rain falls for 115.5 days and collects up to 264mm (10.39") of precipitation.Snowfall
Months with snowfall in Dease Lake, Canada, are January through May, August through December. May is the last month it regularly snows in Dease Lake, Canada. During 3.9 snowfall days, in May, Dease Lake aggregates 25mm (0.98") of snow. In Dease Lake, during the entire year, snow falls for 111.9 days and aggregates up to 855mm (33.66") of snow.Daylight
In May, the average length of the day is 16h and 54min.On the first day of May in Dease Lake, sunrise is at 5:41 am and sunset at 9:32 pm. On the last day of the month, sunrise is at 4:41 am and sunset at 10:34 pm PDT.
Sunshine
In Dease Lake, the average sunshine in May is 11.2h.UV index
In Dease Lake, Canada, the average daily maximum UV index in May is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 3 during May translates into the following directions:
Be vigilant - Preventing sunburn is recommended. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. To cut down UV radiation exposure by about half, sport a wide-brim hat. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Dease Lake, Canada
- Average high temperature in May: 9.6°C
The warmest month (with the highest average high temperature) is July (16.4°C).
The month with the lowest average high temperature is December (-10.5°C).
- Average low temperature in May: 0.8°C
The month with the highest average low temperature is July (5.3°C).
The coldest month (with the lowest average low temperature) is February (-17.3°C).
Average pressure in May
Dease Lake, Canada
- Average pressure in May: 1014.9mbar
The month with the highest atmospheric pressure is February (1018mbar).
The month with the lowest atmospheric pressure is June (1012.7mbar).
Average wind speed in May
Dease Lake, Canada
- Average wind speed in May: 9.6km/h
The windiest months (with the highest average wind speed) are January and June (10.3km/h).
The calmest month (with the lowest average wind speed) is February (8.8km/h).
Average humidity in May
Dease Lake, Canada
- Average humidity in May: 67%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is June (62%).
Average rainfall in May
Dease Lake, Canada
- Average rainfall in May: 19mm
The wettest month (with the highest rainfall) is August (40mm).
The driest month (with the least rainfall) is February (9mm).
Average rainfall days in May
Dease Lake, Canada
- Average rainfall days in May: 11.2 days
The month with the highest number of rainy days is August (15.3 days).
The month with the least rainy days is February (3.2 days).
Average snowfall in May
Dease Lake, Canada
- Average snowfall in May: 25mm
The month with the highest snowfall is November (195mm).
The months with the least snowfall are June and July (0mm).
Average snowfall days in May
Dease Lake, Canada
- Average snowfall days in May: 3.9 days
The month with the highest number of snowfall days is November (17.9 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in May /
Average sunshine in May
Dease Lake, Canada
- Average daylight in May: 16h and 54min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in May: 11h and 12min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in May
Dease Lake, Canada
- Average sunshine days in May: 16.1 days
The months with the most sunshine days are May and December (16.1 days).
The month with the least sunshine days is April (12.2 days).
Average UV index in May
Dease Lake, Canada
- Average UV index in May: 3
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, March and November (UV index 1).
Average cloud cover in May
Dease Lake, Canada
- Average cloud cover in May: 38
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is May (Cloud cover 38).
Average visibility in May
Dease Lake, 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 and December (7km).





