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
A soft shift in the average high-temperature is noticeable in April, transitioning from a frosty 48.7°F (9.3°C) in March to a cool 54.3°F (12.4°C). In April, Salkum records an average nighttime temperature of 36.1°F (2.3°C).Humidity
In April, the average relative humidity in Salkum is 83%.Rainfall
In Salkum, Washington, in April, it is raining for 15.8 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, there are 149 rainfall days, and 19.37" (492mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Salkum. April is the last month it regularly snows in Salkum. During 0.5 snowfall days, in April, Salkum aggregates 0.08" (2mm) of snow. In Salkum, during the entire year, snow falls for 10.2 days and aggregates up to 5.91" (150mm) of snow.Daylight
In Salkum, the average length of the day in April is 13h and 37min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:40 pm. On the last day of April, sunrise is at 5:56 am and sunset at 8:19 pm PDT.
Sunshine
The average sunshine in April is 6.5h.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 rays for the ordinary person.Note: The maximum daily UV index of 3 in April converts into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Salkum in April?
What is the average humidity in April in Salkum?
How many days does it rain in April in Salkum?
What is the last month it snows in Salkum?
How many hours of daylight does Salkum have in April?
When is the sunrise / sunset in April in Salkum?
How many hours of sunshine does Salkum have in April?
What is the UV index reading in April in Salkum?
Average temperature in April
Salkum, WA
- Average high temperature in April: 54.3°F
The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (41.9°F).
- Average low temperature in April: 36.1°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (31.8°F).
Average pressure in April
Salkum, WA
- Average pressure in April: 30.06"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in April
Salkum, WA
- Average wind speed in April: 4.3mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in April
Salkum, WA
- Average humidity in April: 83%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (72%).
Average rainfall in April
Salkum, WA
- Average rainfall in April: 1.77"
The wettest month (with the highest rainfall) is January (2.64").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in April
Salkum, WA
- Average rainfall days in April: 15.8 days
The month with the highest number of rainy days is March (16 days).
The month with the least rainy days is July (5.9 days).
Average snowfall in April
Salkum, WA
- Average snowfall in April: 0.08"
The month with the highest snowfall is January (1.97").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Salkum, WA
- Average snowfall days in April: 0.5 days
The month with the highest number of snowfall days is February (3.6 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
Salkum, WA
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in April: 6h and 3min
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 42min).
Average sunshine days in April
Salkum, WA
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is February (12.1 days).
Average UV index in April
Salkum, WA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in April
Salkum, WA
- Average cloud cover in April: 60
The month with the most cloud cover is March (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Salkum, WA
- Average visibility in April: 4mi
The months with the highest visibility are July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (4mi).
Salkum, Washington, USA
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