May weather forecastVancouver, Canada

May
Weather in May
May serves as a transition from spring to summer in Vancouver, showcased by increasing warmth and decreasing precipitation. Climatological records indicate that rainfall drops to a significantly lower 52mm (2.05") in May from 90mm (3.54") in April. The cooler sea breeze offers a respite from the intensifying heat and laminates the city with a touch of humidity. Longer sunlight hours welcome more outdoor happenings, contributing to the lively ambiance of Vancouver. The relatively drier and warmer May weather paves the way for the hottest period of the year, differing from the cooler April and the upcoming summery June.Temperature
In Vancouver, the average high-temperature in May slightly rises, from a cool 10.3°C (50.5°F) in April, to a moderate 14.6°C (58.3°F). May's average low-temperature reading in Vancouver settles at a chilly 9.1°C (48.4°F).Humidity
The average relative humidity in May in Vancouver is 77%.Rainfall
In Vancouver, during May, the rain falls for 15.1 days and regularly aggregates up to 52mm (2.05") of precipitation. Throughout the year, in Vancouver, there are 192.4 rainfall days, and 1325mm (52.17") of precipitation is accumulated.Snowfall
In Vancouver, snow does not fall in May through October.Sea temperature
In May, the average sea temperature in Vancouver, Canada, is 7.8°C (46°F).Note: Entering waters of 7.8°C (46°F) is life-endangering. A mere moment in 13°C (55.4°F) waters feels piercing cold, and below 10°C (50°F) it can lead to immediate cold shock and cessation of breathing control, depending on body resilience.
Daylight
In May, the average length of the day is 15h and 22min.On the first day of the month, sunrise is at 5:49 am and sunset at 8:29 pm. On the last day of May, in Vancouver, sunrise is at 5:11 am and sunset at 9:09 pm PDT.
Sunshine
In Vancouver, the average sunshine in May is 9.5h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Vancouver, Canada
- Average high temperature in May: 14.6°C
The warmest month (with the highest average high temperature) is July (19.3°C).
The month with the lowest average high temperature is December (4.7°C).
- Average low temperature in May: 9.1°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is December (1.9°C).
Average pressure in May
Vancouver, Canada
- Average pressure in May: 1016.5mbar
The month with the highest atmospheric pressure is January (1018.1mbar).
The month with the lowest atmospheric pressure is March (1015.7mbar).
Average wind speed in May
Vancouver, Canada
- Average wind speed in May: 7.6km/h
The windiest month (with the highest average wind speed) is November (11.4km/h).
The calmest month (with the lowest average wind speed) is August (6.3km/h).
Average humidity in May
Vancouver, Canada
- Average humidity in May: 77%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is July (75%).
Average rainfall in May
Vancouver, Canada
- Average rainfall in May: 52mm
The wettest month (with the highest rainfall) is November (209mm).
The driest month (with the least rainfall) is July (24mm).
Average rainfall days in May
Vancouver, Canada
- Average rainfall days in May: 15.1 days
The month with the highest number of rainy days is March (20.6 days).
The month with the least rainy days is August (8.8 days).
Average snowfall in May
Vancouver, Canada
- Average snowfall in May: 0mm
The month with the highest snowfall is February (67mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Vancouver, Canada
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in May
Vancouver, Canada
- Average sea temperature in May: 7.8°C
The best months for swimming (with the highest average sea temperature) are August and September (11.3°C).
The coldest month (with the lowest average sea temperature) is February (6.8°C).
Average daylight in May /
Average sunshine in May
Vancouver, Canada
- Average daylight in May: 15h and 24min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in May: 9h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in May
Vancouver, Canada
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is August (19.4 days).
The months with the least sunshine days are February and March (8.3 days).
Average UV index in May
Vancouver, Canada
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Vancouver, Canada
- Average cloud cover in May: 39
The months with the most cloud cover are January and December (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in May
Vancouver, Canada
- Average visibility in May: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (9km).





