May weather forecastRichmond, Canada
May
Weather in May
May brings with it the refreshing aura of late spring and the onset of summer in Richmond. A significant hike in temperature is observed, reaching highs averaging 15.5°C (59.9°F). Rainfall drops further to 63mm (2.48"), resulting in greener landscapes and an increase in outdoor activities. Sea temperature also begins to climb, hinting at the approaching summer season. As the days become longer, sunshine becomes a frequent visitor to the city, thereby improving visibility.Temperature
May introduces a minor temperature shift, with average high-temperatures adjusting from April's cool 10.8°C (51.4°F) to a refreshing 15.5°C (59.9°F). The low-temperature averages to a frosty 8.1°C (46.6°F) during the nights of May.Humidity
The average relative humidity in May in Richmond is 77%.Rainfall
In Richmond, during May, the rain falls for 15.3 days and regularly aggregates up to 63mm (2.48") of precipitation. In Richmond, during the entire year, the rain falls for 199.4 days and collects up to 1439mm (56.65") of precipitation.Snowfall
In Richmond, Canada, snow does not fall in May through October.Sea temperature
In Richmond, in May, the average water temperature is 7.8°C (46°F).Note: With an efficient thermal swimsuit, one can navigate 7.8°C (46°F) even if it's colder than 10°C (50°F); otherwise, rapid cold shock and breathlessness might set in. Barely wading at 13°C (55.4°F) feels chilly.
Daylight
In Richmond, the average length of the day in May is 15h and 21min.On the first day of May in Richmond, sunrise is at 5:49 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:12 am and sunset at 9:08 pm PDT.
Sunshine
In May, the average sunshine is 9h.UV index
The average daily maximum UV index in May in Richmond is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 in May interprets into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Richmond, 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
Richmond, 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
Richmond, 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
Richmond, 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
Richmond, 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
Richmond, 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
Richmond, 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
Richmond, 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
Richmond, 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
Richmond, Canada
- Average daylight in May: 15h and 18min
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 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
Richmond, 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
Richmond, 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
Richmond, 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
Richmond, 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).
