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
In April, the average high-temperature marginally rises from a chilly 45.1°F (7.3°C) in March to a fresh 51.1°F (10.6°C). An average low-temperature of 34.7°F (1.5°C) is observed in Sultan during the April nights.Humidity
In Sultan, the average relative humidity in April is 84%.Rainfall
In Sultan, during April, the rain falls for 21.2 days and regularly aggregates up to 4.25" (108mm) of precipitation. Throughout the year, there are 200.6 rainfall days, and 51.65" (1312mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows in Sultan. 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
The average length of the day in April 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
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. 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: In April, the UV index of 2 transforms into the following advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Sultan?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows?
What is the average length of the day in April?
When are sunrise and sunset in April?
How long on average sun shines in April in Sultan?
What are the months with the lowest UV index?
What is the UV index reading 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
Weather forecast for your location
2. Allow the app to use your location