April weather forecastWhite Rock, Canada
April
Weather in April
April in White Rock, Canada, is a cool spring month, with an average temperature ranging between max 12.3°C (54.1°F) and min 5.5°C (41.9°F).Temperature
The arrival of April brings a soft temperature shift, with the average high-temperature nudging from a chilly 9.1°C (48.4°F) in March to a cool 12.3°C (54.1°F). The average low-temperature, in April, is a wintry 5.5°C (41.9°F).Humidity
In April, the average relative humidity in White Rock is 79%.Rainfall
In April, in White Rock, the rain falls for 17.1 days. Throughout April, 85mm (3.35") of precipitation is accumulated. In White Rock, during the entire year, the rain falls for 176.1 days and collects up to 1112mm (43.78") of precipitation.Snowfall
Months with snowfall in White Rock are January through April, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, White Rock aggregates 2mm (0.08") of snow. In White Rock, during the entire year, snow falls for 10.5 days and aggregates up to 172mm (6.77") of snow.Daylight
The average length of the day in April in White Rock is 13h and 46min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:43 pm. On the last day of April, sunrise is at 5:50 am and sunset at 8:26 pm PDT.
Sunshine
In April, the average sunshine is 8h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 3 during April translates into the following directions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
White Rock, Canada
- Average high temperature in April: 12.3°C
The warmest month (with the highest average high temperature) is August (21.1°C).
The month with the lowest average high temperature is December (5.5°C).
- Average low temperature in April: 5.5°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is February (2.1°C).
Average pressure in April
White Rock, Canada
- Average pressure in April: 1017.1mbar
The month with the highest atmospheric pressure is January (1018.4mbar).
The month with the lowest atmospheric pressure is March (1015.9mbar).
Average wind speed in April
White Rock, Canada
- Average wind speed in April: 8.8km/h
The windiest months (with the highest average wind speed) are November and December (10.1km/h).
The calmest month (with the lowest average wind speed) is August (6.3km/h).
Average humidity in April
White Rock, Canada
- Average humidity in April: 79%
The months with the highest relative humidity are January and November (83%).
The month with the lowest relative humidity is July (74%).
Average rainfall in April
White Rock, Canada
- Average rainfall in April: 85mm
The wettest month (with the highest rainfall) is November (181mm).
The driest month (with the least rainfall) is July (17mm).
Average rainfall days in April
White Rock, Canada
- Average rainfall days in April: 17.1 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in April
White Rock, Canada
- Average snowfall in April: 2mm
The month with the highest snowfall is February (52mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in April
White Rock, Canada
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
White Rock, Canada
- Average daylight in April: 13h and 48min
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 April: 8h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in April
White Rock, Canada
- Average sunshine days in April: 10.9 days
The month with the most sunshine days is August (23.2 days).
The month with the least sunshine days is November (8.8 days).
Average UV index in April
White Rock, Canada
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
White Rock, Canada
- Average cloud cover in April: 49
The months with the most cloud cover are January and December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in April
White Rock, Canada
- Average visibility in April: 9km
The month with the highest visibility is July (10km).
The months with the lowest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).





