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
The onset of May brings a temperature shift, with the average high-temperature moving from a wintry 1.8°C (35.2°F) in April to a frosty 9.2°C (48.6°F). May nights observe an average temperature dip to a freezing cold -0.9°C (30.4°F).Humidity
In Mount Robson, the average relative humidity in May is 75%.Rainfall
In Mount Robson, in May, it is raining for 19.8 days, with typically 60mm (2.36") of accumulated precipitation. Throughout the year, there are 181.8 rainfall days, and 570mm (22.44") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 3.9 snowfall days, in May, Mount Robson aggregates 48mm (1.89") of snow. In Mount Robson, Canada, during the entire year, snow falls for 135.5 days and aggregates up to 1709mm (67.28") of snow.Daylight
The average length of the day in May is 15h and 53min.On the first day of the month, sunrise is at 5:21 am and sunset at 8:26 pm. On the last day of May, sunrise is at 4:36 am and sunset at 9:12 pm PDT.
Sunshine
In Mount Robson, the average sunshine in May is 10.2h.UV index
In May, the average daily maximum UV index is 3. 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 daily UV index of 3 during May translates into the following directions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Mount Robson have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Mount Robson have in May?
How high is the UV index in May?
Average temperature in May
Mount Robson, Canada
- Average high temperature in May: 9.2°C
The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is December (-8.2°C).
- Average low temperature in May: -0.9°C
The month with the highest average low temperature is July (6.1°C).
The coldest month (with the lowest average low temperature) is February (-16.6°C).
Average pressure in May
Mount Robson, Canada
- Average pressure in May: 1014.1mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is June (1012.2mbar).
Average wind speed in May
Mount Robson, Canada
- Average wind speed in May: 7.6km/h
The windiest month (with the highest average wind speed) is November (10.4km/h).
The calmest month (with the lowest average wind speed) is May (7.6km/h).
Average humidity in May
Mount Robson, Canada
- Average humidity in May: 75%
The months with the highest relative humidity are January, February and December (92%).
The month with the lowest relative humidity is August (64%).
Average rainfall in May
Mount Robson, Canada
- Average rainfall in May: 60mm
The wettest month (with the highest rainfall) is June (83mm).
The driest month (with the least rainfall) is December (27mm).
Average rainfall days in May
Mount Robson, Canada
- Average rainfall days in May: 19.8 days
The month with the highest number of rainy days is June (21.4 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in May
Mount Robson, Canada
- Average snowfall in May: 48mm
The month with the highest snowfall is March (274mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in May
Mount Robson, Canada
- Average snowfall days in May: 3.9 days
The month with the highest number of snowfall days is March (22.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Mount Robson, Canada
- Average daylight in May: 15h and 5min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in May: 10h and 1min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Mount Robson, Canada
- Average sunshine days in May: 7.3 days
The month with the most sunshine days is September (12 days).
The month with the least sunshine days is April (4.4 days).
Average UV index in May
Mount Robson, 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
Mount Robson, Canada
- Average cloud cover in May: 40
The months with the most cloud cover are January and March (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Mount Robson, 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, February and March (6km).
