May weather forecastDelta, Canada
May
Weather in May
May, the last month of the spring in Delta, is a mild month, with an average temperature fluctuating between 14.7°C (58.5°F) and 9.3°C (48.7°F).Temperature
Delta's May weather indicates a minor ascent in high-temperatures, adjusting from a cool 11°C (51.8°F) in April to a moderate 14.7°C (58.5°F). During May, the average low-temperature in Delta is a frosty 9.3°C (48.7°F).Humidity
The average relative humidity in May in Delta is 77%.Rainfall
In May, in Delta, the rain falls for 12.9 days. Throughout May, 43mm (1.69") of precipitation is accumulated. Throughout the year, in Delta, there are 155 rainfall days, and 763mm (30.04") of precipitation is accumulated.Snowfall
In Delta, snow does not fall in April through October.Daylight
In May, the average length of the day is 15h and 20min.On the first day of May, sunrise is at 5:49 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 9:07 pm PDT.
Sunshine
The average sunshine in May is 9.4h.UV index
The average daily maximum UV index in May in Delta is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 4 in May transforms into the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Delta, Canada
- Average high temperature in May: 14.7°C
The warmest month (with the highest average high temperature) is July (19.4°C).
The month with the lowest average high temperature is December (5.3°C).
- Average low temperature in May: 9.3°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is December (2.5°C).
Average pressure in May
Delta, 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
Delta, Canada
- Average wind speed in May: 8.1km/h
The windiest month (with the highest average wind speed) is November (12km/h).
The calmest month (with the lowest average wind speed) is August (6.8km/h).
Average humidity in May
Delta, Canada
- Average humidity in May: 77%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (76%).
Average rainfall in May
Delta, Canada
- Average rainfall in May: 43mm
The wettest month (with the highest rainfall) is November (115mm).
The driest month (with the least rainfall) is July (17mm).
Average rainfall days in May
Delta, Canada
- Average rainfall days in May: 12.9 days
The month with the highest number of rainy days is March (17.6 days).
The month with the least rainy days is August (6.4 days).
Average snowfall in May
Delta, Canada
- Average snowfall in May: 0mm
The month with the highest snowfall is February (61mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Delta, Canada
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Delta, 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 24min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in May
Delta, Canada
- Average sunshine days in May: 15.7 days
The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is March (10.9 days).
Average UV index in May
Delta, 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
Delta, Canada
- Average cloud cover in May: 39
The month with the most cloud cover is December (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in May
Delta, Canada
- Average visibility in May: 10km
The months with the highest visibility are April, May, June, July and August (10km).
The months with the lowest visibility are January, February, March, September, October, November and December (9km).





