April weather forecastWaterdown, Canada
April
Weather in April
April is a fresh spring month in Waterdown, Canada, with an average temperature fluctuating between 2.7°C (36.9°F) and 10°C (50°F).Temperature
April sees a temperature increase, moving from a wintry 3.8°C (38.8°F) in March to a cool 10°C (50°F). In April, Waterdown experiences an average nighttime temperature of 2.7°C (36.9°F).Humidity
The least humid month in Waterdown is April, with an average relative humidity of 75%.Rainfall
In Waterdown, during April, the rain falls for 16.3 days and regularly aggregates up to 73mm (2.87") of precipitation. Throughout the year, there are 175.2 rainfall days, and 711mm (27.99") of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Waterdown. In Waterdown, during April, snow falls for 3.1 days and regularly aggregates up to 35mm (1.38") of snow. In Waterdown, during the entire year, snow falls for 58.6 days and aggregates up to 463mm (18.23") of snow.Daylight
In Waterdown, the average length of the day in April is 13h and 27min.On the first day of April, sunrise is at 6:59 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:20 pm EDT.
Sunshine
In April, the average sunshine 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 vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, the maximum UV index of 3 suggests this advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Waterdown, Canada
- Average high temperature in April: 10°C
The warmest month (with the highest average high temperature) is July (25.4°C).
The month with the lowest average high temperature is January (-2.3°C).
- Average low temperature in April: 2.7°C
The month with the highest average low temperature is July (17.3°C).
The coldest month (with the lowest average low temperature) is January (-7.3°C).
Average pressure in April
Waterdown, Canada
- Average pressure in April: 1014.8mbar
The months with the highest atmospheric pressure are March and November (1018.5mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).
Average wind speed in April
Waterdown, Canada
- Average wind speed in April: 16.7km/h
The windiest month (with the highest average wind speed) is January (19km/h).
The calmest month (with the lowest average wind speed) is July (11.3km/h).
Average humidity in April
Waterdown, Canada
- Average humidity in April: 75%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (75%).
Average rainfall in April
Waterdown, Canada
- Average rainfall in April: 73mm
The wettest month (with the highest rainfall) is July (74mm).
The driest month (with the least rainfall) is September (44mm).
Average rainfall days in April
Waterdown, Canada
- Average rainfall days in April: 16.3 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in April
Waterdown, Canada
- Average snowfall in April: 35mm
The month with the highest snowfall is February (137mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in April
Waterdown, Canada
- Average snowfall days in April: 3.1 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Waterdown, Canada
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 18min).
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 36min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in April
Waterdown, Canada
- Average sunshine days in April: 10.2 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is February (9 days).
Average UV index in April
Waterdown, Canada
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Waterdown, Canada
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in April
Waterdown, Canada
- Average visibility in April: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (8km).
