May
Weather in May
Temperature
The transition from April to May brings a temperature rise, with average high-temperatures increasing from a chilly 9°C (48.2°F) to a refreshing 16°C (60.8°F). Rainbow Lake records a pronounced decline from the day's peak to an average nighttime low-temperature of 2°C (35.6°F) throughout May.Rainfall
In Rainbow Lake, during May, the rain falls for 9 days and regularly aggregates up to 37mm (1.46") of precipitation. Throughout the year, there are 99 rainfall days, and 414mm (16.3") of precipitation is accumulated.Daylight
In Rainbow Lake, Canada, the average length of the day in May is 16h and 52min.On the first day of May, sunrise is at 6:00 am and sunset at 9:49 pm. On the last day of the month, sunrise is at 5:00 am and sunset at 10:50 pm MDT.
Sunshine
In Rainbow Lake, the average sunshine in May is 8h.UV index
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 4 in May leads to these recommendations:
Ensure safety - Sun damage prevention is strongly urged. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
How much does it rain in May?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May in Rainbow Lake?
What is the UV index reading in May?
Average temperature in May
Rainbow Lake, Canada
- Average high temperature in May: 16°C
The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (-13°C).
- Average low temperature in May: 2°C
The month with the highest average low temperature is July (8°C).
The coldest month (with the lowest average low temperature) is January (-23°C).
Average rainfall in May
Rainbow Lake, Canada
- Average rainfall in May: 37mm
The wettest month (with the highest rainfall) is July (69mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in May
Rainbow Lake, Canada
- Average rainfall days in May: 9 days
The month with the highest number of rainy days is July (13 days).
The month with the least rainy days is April (4 days).
Average daylight in May /
Average sunshine in May
Rainbow Lake, Canada
- Average daylight in May: 16h and 5min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in May: 8h
The months with the most sunshine are June and July (Average sunshine: 9h).
The month with the least sunshine is December (Average sunshine: 1h).
Average UV index in May
Rainbow 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, November and December (UV index 0).
