May weather forecastSurrey, Canada
May
Weather in May
By May, Surrey's weather shifts noticeably toward more temperate conditions. The marks a turning point in the weather with average highs hitting 15.5°C (59.9°F) and lows basking at 8.1°C (46.6°F). The 63mm (2.48") of rainfall marks a sequential decreasing trend from the onset of the year. The days grow longer as daylight extends to 15.3 hours, and the sun shines brighter and longer, mirroring the advent of summer.Temperature
May in Surrey witnesses a minor rise in the average high-temperature, transitioning from a cool 10.8°C (51.4°F) in April to a mild 15.5°C (59.9°F). Throughout May, an average low-temperature of 8.1°C (46.6°F) is experienced.Humidity
The average relative humidity in May is 77%.Rainfall
In Surrey, in May, during 15.3 rainfall days, 63mm (2.48") of precipitation is typically accumulated. In Surrey, during the entire year, the rain falls for 199.4 days and collects up to 1439mm (56.65") of precipitation.Snowfall
May through October are months without snowfall.Sea temperature
In Surrey, the average seawater temperature in May is 7.5°C (45.5°F).Note: Staying in 7.5°C (45.5°F) waters for just a few moments at 13°C (55.4°F) can be harrowing, and below 10°C (50°F) poses breathing and cold shock risks, depending on individual tolerance.
Daylight
In May, the average length of the day in Surrey is 15h and 20min.On the first day of May in Surrey, sunrise is at 5:48 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 9:07 pm PDT.
Sunshine
In Surrey, the average sunshine in May is 9h.UV index
The average daily maximum UV index in May in Surrey is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 4 during May leads to these instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Surrey, Canada
- Average high temperature in May: 15.5°C
The warmest months (with the highest average high temperature) are July and August (20.4°C).
The month with the lowest average high temperature is December (4.1°C).
- Average low temperature in May: 8.1°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is December (0.8°C).
Average pressure in May
Surrey, Canada
- Average pressure in May: 1016.3mbar
The month with the highest atmospheric pressure is January (1018.3mbar).
The month with the lowest atmospheric pressure is March (1015.8mbar).
Average wind speed in May
Surrey, Canada
- Average wind speed in May: 6.9km/h
The windiest months (with the highest average wind speed) are March and November (9.4km/h).
The calmest month (with the lowest average wind speed) is August (5.8km/h).
Average humidity in May
Surrey, Canada
- Average humidity in May: 77%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (75%).
Average rainfall in May
Surrey, Canada
- Average rainfall in May: 63mm
The wettest month (with the highest rainfall) is November (222mm).
The driest month (with the least rainfall) is July (28mm).
Average rainfall days in May
Surrey, Canada
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is March (21.1 days).
The month with the least rainy days is August (9.3 days).
Average snowfall in May
Surrey, Canada
- Average snowfall in May: 0mm
The month with the highest snowfall is February (98mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Surrey, Canada
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in May
Surrey, Canada
- Average sea temperature in May: 7.5°C
The best month for swimming (with the highest average sea temperature) is August (11.5°C).
The coldest months (with the lowest average sea temperature) are January and February (6.8°C).
Average daylight in May /
Average sunshine in May
Surrey, Canada
- Average daylight in May: 15h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in May: 9h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Surrey, Canada
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is August (19.1 days).
The month with the least sunshine days is March (7.8 days).
Average UV index in May
Surrey, 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
Surrey, Canada
- Average cloud cover in May: 41
The months with the most cloud cover are January and December (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in May
Surrey, Canada
- Average visibility in May: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).





