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
The beginning of April marks a minor shift in the average high-temperature, moving from March's frosty 44.1°F (6.7°C) to a fresh 52.5°F (11.4°C). White Salmon's average low-temperature during April nights is observed to be a cold 35.2°F (1.8°C).Humidity
The average relative humidity in April in White Salmon is 76%.Rainfall
In White Salmon, in April, during 16 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, there are 152.5 rainfall days, and 26.93" (684mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.8 snowfall days, in April, White Salmon aggregates 0.16" (4mm) of snow. In White Salmon, during the entire year, snow falls for 23.9 days and aggregates up to 18.74" (476mm) of snow.Daylight
In April, the average length of the day is 13h and 34min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:34 pm. On the last day of April, sunrise is at 5:53 am and sunset at 8:12 pm PDT.
Sunshine
In White Salmon, the average sunshine in April is 8.6h.UV index
In White Salmon, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In April, the maximum UV index of 3 translates into these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
What is the average length of the day in April in White Salmon?
When is the sunrise / sunset in April?
How many hours of sunshine does White Salmon have in April?
What is the UV index reading in April?
Average temperature in April
White Salmon, WA
- Average high temperature in April: 52.5°F
The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (35.2°F).
- Average low temperature in April: 35.2°F
The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).
Average pressure in April
White Salmon, WA
- Average pressure in April: 30.04"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in April
White Salmon, WA
- Average wind speed in April: 6.1mph
The windiest month (with the highest average wind speed) is June (6.4mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).
Average humidity in April
White Salmon, WA
- Average humidity in April: 76%
The months with the highest relative humidity are January, February and December (88%).
The months with the lowest relative humidity are July and August (58%).
Average rainfall in April
White Salmon, WA
- Average rainfall in April: 1.89"
The wettest month (with the highest rainfall) is January (4.88").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in April
White Salmon, WA
- Average rainfall days in April: 16 days
The month with the highest number of rainy days is March (19.4 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in April
White Salmon, WA
- Average snowfall in April: 0.16"
The month with the highest snowfall is January (6.22").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
White Salmon, WA
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is December (6.5 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
White Salmon, WA
- Average daylight in April: 13h and 4min
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: 8h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
White Salmon, WA
- Average sunshine days in April: 12 days
The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in April
White Salmon, WA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in April
White Salmon, WA
- Average cloud cover in April: 48
The months with the most cloud cover are January and February (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in April
White Salmon, WA
- Average visibility in April: 5mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (4mi).
White Salmon, Washington, USA
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