April weather forecastSeabeck, WA
April
Weather in April
April is a mild spring month in Seabeck, Washington, with an average temperature ranging between min 40.6°F (4.8°C) and max 55.8°F (13.2°C).Temperature
A gentle upsurge in temperatures occurs as March gives way to April, with average highs shifting from a fresh 50.2°F (10.1°C) to a mild 55.8°F (13.2°C). In Seabeck, April is marked by an average low-temperature of 40.6°F (4.8°C).Humidity
In April, the average relative humidity is 79%.Rainfall
In Seabeck, during April, the rain falls for 18.8 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Seabeck, during the entire year, the rain falls for 180.4 days and collects up to 26.93" (684mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.1 snowfall days, in April, Seabeck aggregates 0.04" (1mm) of snow. Throughout the year, there are 8.1 snowfall days, and 4.69" (119mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 41min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:41 pm. On the last day of April, sunrise is at 5:54 am and sunset at 8:22 pm PDT.
Sunshine
The average sunshine in April is 8.6h.UV index
In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 4 in April translates into these instructions:
Take necessary precautions - Defending against sun damage is advocated. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Seabeck, WA
- Average high temperature in April: 55.8°F
The warmest month (with the highest average high temperature) is August (75.7°F).
The month with the lowest average high temperature is December (42.8°F).
- Average low temperature in April: 40.6°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 (35.2°F).
Average pressure in April
Seabeck, WA
- Average pressure in April: 30.05"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March and September (30.01"Hg).
Average wind speed in April
Seabeck, WA
- Average wind speed in April: 4.7mph
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 (3.2mph).
Average humidity in April
Seabeck, WA
- Average humidity in April: 79%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is July (70%).
Average rainfall in April
Seabeck, WA
- Average rainfall in April: 1.93"
The wettest month (with the highest rainfall) is January (4.33").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in April
Seabeck, WA
- Average rainfall days in April: 18.8 days
The month with the highest number of rainy days is March (20.1 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in April
Seabeck, WA
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Seabeck, WA
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (3.1 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
Seabeck, 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 36min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 4h and 36min).
Average sunshine days in April
Seabeck, WA
- Average sunshine days in April: 9 days
The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in April
Seabeck, WA
- Average UV index in April: 4
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
Seabeck, WA
- Average cloud cover in April: 46
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 23).
Average visibility in April
Seabeck, WA
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).





