May weather forecastOakville, Canada
May
Weather in May
The last month of the spring, May, is a comfortable month in Oakville, Canada, with temperature in the range of an average high of 16.1°C (61°F) and an average low of 8.8°C (47.8°F).Temperature
May sees a rise in the average high-temperature, climbing from a frosty 9.5°C (49.1°F) in April to a comfortable 16.1°C (61°F). During May, Oakville experiences a consistent low-temperature average of 8.8°C (47.8°F).Humidity
The average relative humidity in May in Oakville is 76%.Rainfall
In Oakville, in May, it is raining for 10 days, with typically 16mm (0.63") of accumulated precipitation. In Oakville, during the entire year, the rain falls for 100.7 days and collects up to 160mm (6.3") of precipitation.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows in Oakville. During 0.1 snowfall days, in May, Oakville aggregates 1mm (0.04") of snow. Throughout the year, in Oakville, there are 41.2 snowfall days, and 101mm (3.98") of snow is accumulated.Sea temperature
In Oakville, in May, the average water temperature is 7.7°C (45.9°F).Note: With the appropriate swimsuit, one can swim in 7.7°C (45.9°F) even if temperatures dip below 10°C (50°F); otherwise, be ready for cold shock and breath issues. A fleeting swim around 13°C (55.4°F) is distressing.
Daylight
In Oakville, Canada, the average length of the day in May is 14h and 43min.On the first day of the month, sunrise is at 6:10 am and sunset at 8:21 pm. On the last day of May, sunrise is at 5:40 am and sunset at 8:52 pm EDT.
Sunshine
In May, the average sunshine is 9.1h.UV index
In Oakville, the average daily maximum UV index in May 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 the ordinary person.Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Oakville, Canada
- Average high temperature in May: 16.1°C
The warmest month (with the highest average high temperature) is July (25.1°C).
The month with the lowest average high temperature is January (-2.2°C).
- Average low temperature in May: 8.8°C
The month with the highest average low temperature is July (18.2°C).
The coldest month (with the lowest average low temperature) is January (-6.9°C).
Average pressure in May
Oakville, Canada
- Average pressure in May: 1015.3mbar
The month with the highest atmospheric pressure is March (1018.4mbar).
The month with the lowest atmospheric pressure is June (1013.2mbar).
Average wind speed in May
Oakville, Canada
- Average wind speed in May: 13.3km/h
The windiest month (with the highest average wind speed) is January (19.6km/h).
The calmest month (with the lowest average wind speed) is July (11.7km/h).
Average humidity in May
Oakville, Canada
- Average humidity in May: 76%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are April, July, August and September (75%).
Average rainfall in May
Oakville, Canada
- Average rainfall in May: 16mm
The wettest month (with the highest rainfall) is July (18mm).
The driest month (with the least rainfall) is September (8mm).
Average rainfall days in May
Oakville, Canada
- Average rainfall days in May: 10 days
The month with the highest number of rainy days is July (11.4 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in May
Oakville, Canada
- Average snowfall in May: 1mm
The month with the highest snowfall is February (36mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in May
Oakville, Canada
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in May
Oakville, Canada
- Average sea temperature in May: 7.7°C
The best month for swimming (with the highest average sea temperature) is August (23.4°C).
The coldest month (with the lowest average sea temperature) is February (1.2°C).
Average daylight in May /
Average sunshine in May
Oakville, Canada
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 9h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in May
Oakville, Canada
- Average sunshine days in May: 16.8 days
The month with the most sunshine days is September (20.5 days).
The month with the least sunshine days is July (14.1 days).
Average UV index in May
Oakville, Canada
- Average UV index in May: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Oakville, Canada
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in May
Oakville, Canada
- Average visibility in May: 9km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, November and December (9km).
