April weather forecastOakville, Canada
April
Weather in April
April is a frosty spring month in Oakville, Canada, with an average temperature ranging between max 9.5°C (49.1°F) and min 2.8°C (37°F).Temperature
Oakville in April shows a temperature shift, moving from an average high of an icy 3.5°C (38.3°F) in March to a chilly 9.5°C (49.1°F). Throughout the month of April, Oakville sees a steady low-temperature average of 2.8°C (37°F).Humidity
April, July through September, with an average relative humidity of 75%, are the least humid months.Rainfall
In Oakville, in April, during 10.3 rainfall days, 15mm (0.59") of precipitation is typically accumulated. Throughout the year, in Oakville, there are 100.7 rainfall days, and 160mm (6.3") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. In April, in Oakville, it is snowing for 1.8 days. Throughout April, 4mm (0.16") of snow is accumulated. In Oakville, during the entire year, snow falls for 41.2 days and aggregates up to 101mm (3.98") of snow.Sea temperature
In April, the average sea temperature is 3.5°C (38.3°F).Note: During swimming sessions, this situation poses an instant life risk. The control of breathing is completely lost, hampering clear thinking. Wearing a specialized swimsuit is a necessity to prevent thermal loss.
Daylight
In April, the average length of the day is 13h and 27min.On the first day of the month, sunrise is at 6:58 am and sunset at 7:45 pm. On the last day of April, in Oakville, sunrise is at 6:11 am and sunset at 8:20 pm EDT.
Sunshine
The average sunshine in April is 7.6h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 3 during April translates into the following directions:
Ensure safety - Imperative it is to shield skin and eyes from damage. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Oakville, Canada
- Average high temperature in April: 9.5°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 April: 2.8°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 April
Oakville, Canada
- Average pressure in April: 1014.7mbar
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 April
Oakville, Canada
- Average wind speed in April: 17.1km/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 April
Oakville, Canada
- Average humidity in April: 75%
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 April
Oakville, Canada
- Average rainfall in April: 15mm
The wettest month (with the highest rainfall) is July (18mm).
The driest month (with the least rainfall) is September (8mm).
Average rainfall days in April
Oakville, Canada
- Average rainfall days in April: 10.3 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 April
Oakville, Canada
- Average snowfall in April: 4mm
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 April
Oakville, Canada
- Average snowfall days in April: 1.8 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 April
Oakville, Canada
- Average sea temperature in April: 3.5°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 April /
Average sunshine in April
Oakville, Canada
- Average daylight in April: 13h and 30min
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 April: 7h and 36min
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 April
Oakville, Canada
- Average sunshine days in April: 16.5 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 April
Oakville, Canada
- Average UV index in April: 3
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 April
Oakville, Canada
- Average cloud cover in April: 48
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 April
Oakville, Canada
- Average visibility in April: 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).





