April weather forecastFederal Way, WA
April
Weather in April
With the arrival of April, Federal Way experiences a palpable transition to a friendlier climate regime. The city witnesses a longer play of daylight stretching about 13.7 hours, paving the way for more sunlit hours. The average maximum wind speed subsides further to around 5.1mph (8.2km/h), signaling the calmness of the spring air. Everyday life sees fewer disruptions with the shrinking number of rainfall days. The UV index rises to 3, highlighting the fortifying radiance of the Spring sun.Temperature
Federal Way observes a slight ascent in average high-temperatures during April, adjusting from a fresh 50.5°F (10.3°C) in March to a moderate 55.9°F (13.3°C). April nights are marked by an average low-temperature of 39.2°F (4°C).Humidity
The average relative humidity in April is 79%.Rainfall
In Federal Way, during April, the rain falls for 17.9 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Federal Way, during the entire year, the rain falls for 177.2 days and collects up to 30.79" (782mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.8 snowfall days, in April, Federal Way aggregates 0.12" (3mm) of snow. In Federal Way, during the entire year, snow falls for 13.3 days and aggregates up to 7.01" (178mm) of snow.Daylight
In Federal Way, the average length of the day in April is 13h and 40min.On the first day of April in Federal Way, 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 8:19 pm PDT.
Sunshine
The average sunshine in April is 8h.UV index
In Federal Way, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The UV index of 3 during April leads to these advisories:
Prioritize safety - Suggestions to prevent sun damage are offered. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Federal Way, WA
- Average high temperature in April: 55.9°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in April: 39.2°F
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in April
Federal Way, 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
Federal Way, WA
- Average wind speed in April: 4.6mph
The windiest month (with the highest average wind speed) is March (5.1mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).
Average humidity in April
Federal Way, WA
- Average humidity in April: 79%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is July (68%).
Average rainfall in April
Federal Way, WA
- Average rainfall in April: 2.48"
The wettest month (with the highest rainfall) is December (4.72").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in April
Federal Way, WA
- Average rainfall days in April: 17.9 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is August (5.9 days).
Average snowfall in April
Federal Way, WA
- Average snowfall in April: 0.12"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Federal Way, WA
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is February (4.4 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
Federal Way, 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: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in April
Federal Way, WA
- Average sunshine days in April: 10 days
The month with the most sunshine days is August (22.8 days).
The months with the least sunshine days are February and November (8.5 days).
Average UV index in April
Federal Way, WA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Federal Way, WA
- Average cloud cover in April: 51
The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in April
Federal Way, WA
- Average visibility in April: 5mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, October, November and December (5mi).
