April weather forecastLynnwood, WA
April
Weather in April
April in Lynnwood boasts the more consistent spring weather with warmer temperatures and lowered precipitation rates. Days become longer and sunnier, showcasing April's typical springtime charm. The highlight of the month includes an average rainfall of 2.01" (51mm), marking a significant decrease from the previous months. Lynnwood residents welcome the much-awaited sunshine and reduced moisture, setting a wonderful stage for outdoor activities.Temperature
The onset of April manifests an average high-temperature of a still cool 55.2°F (12.9°C), demonstrating a minor variation from the preceding month. In Lynnwood, April is marked by an average low-temperature of 41.5°F (5.3°C).Humidity
The average relative humidity in April is 79%.Rainfall
In Lynnwood, in April, during 17.3 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. In Lynnwood, during the entire year, the rain falls for 173 days and collects up to 25" (635mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.4 snowfall days, in April, Lynnwood aggregates 0.08" (2mm) of snow. In Lynnwood, during the entire year, snow falls for 12.5 days and aggregates up to 6.65" (169mm) of snow.Daylight
The average length of the day in April in Lynnwood is 13h and 41min.On the first day of April, sunrise is at 6:45 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:21 pm PDT.
Sunshine
The average sunshine in April is 8.4h.UV index
In Lynnwood, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In April, a daily UV index of 3 turns into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Lynnwood, WA
- Average high temperature in April: 55.2°F
The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is December (43.3°F).
- Average low temperature in April: 41.5°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (35.8°F).
Average pressure in April
Lynnwood, WA
- Average pressure in April: 30.04"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in April
Lynnwood, WA
- Average wind speed in April: 5.1mph
The windiest month (with the highest average wind speed) is November (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in April
Lynnwood, WA
- Average humidity in April: 79%
The months with the highest relative humidity are January, February and December (84%).
The month with the lowest relative humidity is July (72%).
Average rainfall in April
Lynnwood, WA
- Average rainfall in April: 2.01"
The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in April
Lynnwood, WA
- Average rainfall days in April: 17.3 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.8 days).
Average snowfall in April
Lynnwood, WA
- Average snowfall in April: 0.08"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Lynnwood, WA
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is February (4.7 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
Lynnwood, WA
- Average daylight in April: 13h and 42min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in April: 8h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in April
Lynnwood, WA
- Average sunshine days in April: 9.8 days
The month with the most sunshine days is August (22.5 days).
The month with the least sunshine days is November (9.2 days).
Average UV index in April
Lynnwood, WA
- 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
Lynnwood, WA
- Average cloud cover in April: 47
The months with the most cloud cover are January and December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in April
Lynnwood, WA
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





