April weather forecastBurien, WA
April
Weather in April
April in Burien, Washington, is a moderate spring month, with an average temperature ranging between max 56.7°F (13.7°C) and min 39.7°F (4.3°C).Temperature
April marks a minor ascent in the average high-temperature, adjusting from March's fresh 51.1°F (10.6°C) to a moderate 56.7°F (13.7°C). Burien records an average temperature drop to a wintry 39.7°F (4.3°C) in April.Humidity
In Burien, the average relative humidity in April is 79%.Rainfall
In April, in Burien, Washington, the rain falls for 14.9 days. Throughout April, 1.22" (31mm) of precipitation is accumulated. In Burien, during the entire year, the rain falls for 138.2 days and collects up to 14.09" (358mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In April, the average length of the day is 13h and 40min.On the first day of April in Burien, sunrise is at 6:46 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:20 pm PDT.
Sunshine
In Burien, the average sunshine in April is 7.9h.UV index
In Burien, Washington, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In April, an average UV index of 3 transforms into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Burien, WA
- Average high temperature in April: 56.7°F
The warmest month (with the highest average high temperature) is August (77.7°F).
The month with the lowest average high temperature is December (43.5°F).
- Average low temperature in April: 39.7°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).
Average pressure in April
Burien, WA
- Average pressure in April: 30.05"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in April
Burien, WA
- Average wind speed in April: 4.8mph
The windiest month (with the highest average wind speed) is March (5.3mph).
The calmest months (with the lowest average wind speed) are July and August (3.6mph).
Average humidity in April
Burien, WA
- Average humidity in April: 79%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (68%).
Average rainfall in April
Burien, WA
- Average rainfall in April: 1.22"
The wettest month (with the highest rainfall) is December (2.2").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in April
Burien, WA
- Average rainfall days in April: 14.9 days
The month with the highest number of rainy days is April (14.9 days).
The month with the least rainy days is August (5.7 days).
Average snowfall in April
Burien, WA
- Average snowfall in April: 0"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Burien, WA
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is February (3.4 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
Burien, WA
- Average daylight in April: 13h and 42min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in April: 7h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in April
Burien, WA
- Average sunshine days in April: 13.2 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (13 days).
Average UV index in April
Burien, WA
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Burien, WA
- Average cloud cover in April: 52
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in April
Burien, WA
- Average visibility in April: 5mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, October, November and December (5mi).
