Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
As April arrives, Sedro-Woolley's weather shows a minor increase in high-temperatures, edging from March's frosty 46.6°F (8.1°C) to a fresh 52°F (11.1°C). During April nights, Sedro-Woolley records an average temperature of 37.8°F (3.2°C).Humidity
In Sedro-Woolley, the average relative humidity in April is 83%.Rainfall
In Sedro-Woolley, in April, during 20.8 rainfall days, 4.17" (106mm) of precipitation is typically accumulated. Throughout the year, in Sedro-Woolley, there are 203.2 rainfall days, and 49.72" (1263mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.2 snowfall days, in April, Sedro-Woolley aggregates 0.24" (6mm) of snow. In Sedro-Woolley, during the entire year, snow falls for 12 days and aggregates up to 12.32" (313mm) of snow.Daylight
The average length of the day in April in Sedro-Woolley is 13h and 44min.On the first day of April in Sedro-Woolley, sunrise is at 6:44 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:22 pm PDT.
Sunshine
In Sedro-Woolley, the average sunshine in April is 7.2h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In April, the maximum UV index of 3 suggests these recommendations:
Take precautions - Protection against skin and eye damage is obliged. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Sedro-Woolley in April?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows in Sedro-Woolley?
What is the average length of the day in April?
When are sunrise and sunset in April?
How many hours of sunshine does Sedro-Woolley have in April?
How high is the UV index in April?
Average temperature in April
Sedro-Woolley, WA
- Average high temperature in April: 52°F
The warmest month (with the highest average high temperature) is July (70.9°F).
The month with the lowest average high temperature is December (40.5°F).
- Average low temperature in April: 37.8°F
The month with the highest average low temperature is August (50.5°F).
The coldest months (with the lowest average low temperature) are February and December (32.5°F).
Average pressure in April
Sedro-Woolley, WA
- Average pressure in April: 30.03"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in April
Sedro-Woolley, WA
- Average wind speed in April: 4.7mph
The windiest month (with the highest average wind speed) is November (5.7mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in April
Sedro-Woolley, WA
- Average humidity in April: 83%
The months with the highest relative humidity are January, February and March (86%).
The month with the lowest relative humidity is July (75%).
Average rainfall in April
Sedro-Woolley, WA
- Average rainfall in April: 4.17"
The wettest month (with the highest rainfall) is November (7.09").
The driest month (with the least rainfall) is July (0.98").
Average rainfall days in April
Sedro-Woolley, WA
- Average rainfall days in April: 20.8 days
The month with the highest number of rainy days is March (22.1 days).
The month with the least rainy days is August (9.4 days).
Average snowfall in April
Sedro-Woolley, WA
- Average snowfall in April: 0.24"
The month with the highest snowfall is February (4.96").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Sedro-Woolley, WA
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is February (4.3 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
Sedro-Woolley, WA
- Average daylight in April: 13h and 4min
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 24min).
- Average sunshine in April: 7h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in April
Sedro-Woolley, WA
- Average sunshine days in April: 7.4 days
The month with the most sunshine days is August (19.2 days).
The month with the least sunshine days is March (7.3 days).
Average UV index in April
Sedro-Woolley, WA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in April
Sedro-Woolley, WA
- Average cloud cover in April: 56
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in April
Sedro-Woolley, WA
- Average visibility in April: 5mi
The months with the highest visibility are June, July and August (6mi).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (5mi).
Sedro-Woolley, Washington, USA
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