April weather forecastClinton, WA
April
Weather in April
April is a cool spring month in Clinton, Washington, with an average temperature varying between 54.9°F (12.7°C) and 41.2°F (5.1°C).Temperature
April showcases a minor temperature ascent, adjusting from March's frosty 49.5°F (9.7°C) to a fresh 54.9°F (12.7°C). Clinton observes an average low-temperature of 41.2°F (5.1°C) during April.Humidity
In April, the average relative humidity in Clinton is 79%.Rainfall
In Clinton, Washington, in April, during 16.8 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. Throughout the year, there are 173.1 rainfall days, and 26.02" (661mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 1.1 snowfall days, in April, Clinton aggregates 0.28" (7mm) of snow. Throughout the year, there are 16.3 snowfall days, and 10.08" (256mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 42min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:40 pm. On the last day of April, sunrise is at 5:51 am and sunset at 8:21 pm PDT.
Sunshine
In Clinton, the average sunshine in April is 8.2h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 3 during April translates into the following directions:
Take necessary precautions - Suggestions to elude sunburn are provided. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Caution! The reflection of snow can nearly 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
Clinton, WA
- Average high temperature in April: 54.9°F
The warmest month (with the highest average high temperature) is August (72.7°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in April: 41.2°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (35.4°F).
Average pressure in April
Clinton, 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
Clinton, WA
- Average wind speed in April: 5.2mph
The windiest month (with the highest average wind speed) is November (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in April
Clinton, WA
- Average humidity in April: 79%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (72%).
Average rainfall in April
Clinton, WA
- Average rainfall in April: 2.13"
The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in April
Clinton, WA
- Average rainfall days in April: 16.8 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in April
Clinton, WA
- Average snowfall in April: 0.28"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Clinton, WA
- Average snowfall days in April: 1.1 days
The month with the highest number of snowfall days is February (5.2 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
Clinton, 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 12min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in April
Clinton, WA
- Average sunshine days in April: 9.7 days
The month with the most sunshine days is August (22.6 days).
The month with the least sunshine days is November (9.1 days).
Average UV index in April
Clinton, 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, November and December (UV index 2).
Average cloud cover in April
Clinton, WA
- Average cloud cover in April: 48
The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in April
Clinton, 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).
