April weather forecastLongview, WA
April
Weather in April
April brings with it the full bloom of spring, as Longview witnesses a drastic transformation in weather conditions. The city says goodbye to the chill of winter and welcomes milder, warmer days. High temperatures average at 55.9°F (13.3°C), a significant jump from March. Rainfall continues to lessen, marking a continuation of the drying trend observed since the peak of winter. An increase in daylight hours, coupled with a decline in cloud cover, sets the stage for sunnier days, indicative of the forthcoming summer season.Temperature
The coming of April brings a minor shift in Longview's weather, with average high-temperatures adjusting from March's cool 50°F (10°C) to a mild 55.9°F (13.3°C). During the month of April, Longview's nighttime temperature lowers to an average of 36.7°F (2.6°C).Humidity
In April, the average relative humidity is 83%.Rainfall
In Longview, during April, the rain falls for 18.8 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Longview, during the entire year, the rain falls for 175.5 days and collects up to 25.83" (656mm) of precipitation.Snowfall
April through October are months without snowfall.Ocean temperature
In April, the average ocean temperature is 46.9°F (8.3°C).Note: Dipping into 46.9°F (8.3°C) below 50°F (10°C) is possible with the right protection; absent that, anticipate cold shock and hampered breathing. Swimming momentarily at 55.4°F (13°C) can be jarring.
Daylight
In April, the average length of the day in Longview is 13h and 35min.On the first day of April in Longview, Washington, sunrise is at 6:49 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:19 pm PDT.
Sunshine
In April, the average sunshine is 6.3h.UV index
The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 3 in April, converts into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Longview, WA
- Average high temperature in April: 55.9°F
The warmest month (with the highest average high temperature) is August (77.9°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in April: 36.7°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (32.7°F).
Average pressure in April
Longview, WA
- Average pressure in April: 30.06"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in April
Longview, WA
- Average wind speed in April: 4.4mph
The windiest month (with the highest average wind speed) is January (4.8mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in April
Longview, WA
- Average humidity in April: 83%
The months with the highest relative humidity are January, February, November and December (88%).
The month with the lowest relative humidity is July (72%).
Average rainfall in April
Longview, WA
- Average rainfall in April: 2.28"
The wettest month (with the highest rainfall) is January (3.9").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in April
Longview, WA
- Average rainfall days in April: 18.8 days
The month with the highest number of rainy days is March (20.3 days).
The month with the least rainy days is July (6.1 days).
Average snowfall in April
Longview, WA
- Average snowfall in April: 0"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Longview, WA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in April
Longview, WA
- Average sea temperature in April: 46.9°F
The best month for swimming (with the highest average sea temperature) is September (53.8°F).
The coldest month (with the lowest average sea temperature) is February (46.6°F).
Average daylight in April /
Average sunshine in April
Longview, WA
- Average daylight in April: 13h and 36min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in April: 6h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 30min).
Average sunshine days in April
Longview, WA
- Average sunshine days in April: 9.3 days
The month with the most sunshine days is July (22 days).
The month with the least sunshine days is March (8.9 days).
Average UV index in April
Longview, WA
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in April
Longview, WA
- Average cloud cover in April: 62
The months with the most cloud cover are February and March (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in April
Longview, WA
- Average visibility in April: 4mi
The month with the highest visibility is August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (4mi).
