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
Sultan's transition into April brings a slight rise in the average high-temperature, moving from a frosty 45.1°F (7.3°C) in March to a cool 51.1°F (10.6°C). During April, Sultan consistently records a temperature low averaging a wintry 34.7°F (1.5°C).Humidity
In April, the average relative humidity in Sultan is 84%.Rainfall
In Sultan, in April, during 21.2 rainfall days, 4.25" (108mm) of precipitation is typically accumulated. In Sultan, during the entire year, the rain falls for 200.6 days and collects up to 51.65" (1312mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Sultan. April is the last month it regularly snows. During 0.8 snowfall days, in April, Sultan aggregates 0.35" (9mm) of snow. In Sultan, during the entire year, snow falls for 15.9 days and aggregates up to 14.41" (366mm) of snow.Daylight
In April, the average length of the day in Sultan is 13h and 41min.On the first day of April, sunrise is at 6:43 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:19 pm PDT.
Sunshine
In April, the average sunshine is 7h.UV index
The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 2 in April translates into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What is the average April temperature in Sultan?
What is the average humidity in April in Sultan?
How much does it rain in Sultan in April?
What is the last month it snows in Sultan?
How many hours of daylight does Sultan have in April?
When are sunrise and sunset in April in Sultan?
How many hours of sunshine does Sultan have in April?
What are the months with the lowest UV index in Sultan?
What is the UV index intensity in April in Sultan?
Average temperature in April
Sultan, WA
- Average high temperature in April: 51.1°F
The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is December (38.3°F).
- Average low temperature in April: 34.7°F
The month with the highest average low temperature is August (48°F).
The coldest month (with the lowest average low temperature) is December (28.6°F).
Average pressure in April
Sultan, WA
- Average pressure in April: 30.03"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).
Average wind speed in April
Sultan, WA
- Average wind speed in April: 3.7mph
The windiest month (with the highest average wind speed) is January (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.2mph).
Average humidity in April
Sultan, WA
- Average humidity in April: 84%
The months with the highest relative humidity are January, February and March (88%).
The month with the lowest relative humidity is July (72%).
Average rainfall in April
Sultan, WA
- Average rainfall in April: 4.25"
The wettest month (with the highest rainfall) is January (7.8").
The driest month (with the least rainfall) is August (0.79").
Average rainfall days in April
Sultan, WA
- Average rainfall days in April: 21.2 days
The month with the highest number of rainy days is March (22.3 days).
The month with the least rainy days is August (7.9 days).
Average snowfall in April
Sultan, WA
- Average snowfall in April: 0.35"
The month with the highest snowfall is February (5.43").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Sultan, WA
- Average snowfall days in April: 0.8 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
Sultan, WA
- Average daylight in April: 13h and 4min
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: 7h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).
Average sunshine days in April
Sultan, WA
- Average sunshine days in April: 7.3 days
The month with the most sunshine days is August (19.9 days).
The month with the least sunshine days is March (7 days).
Average UV index in April
Sultan, WA
- Average UV index in April: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in April
Sultan, WA
- Average cloud cover in April: 58
The months with the most cloud cover are March and December (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Sultan, WA
- Average visibility in April: 4mi
The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Sultan, Washington, USA
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