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 slight uplift of average high-temperatures is noted in April, with temperatures adjusting from a chilly 48.9°F (9.4°C) in March to a cool 54.3°F (12.4°C). Throughout April, West Lake Stevens anticipates an average low-temperature of 40.3°F (4.6°C).Humidity
In April, the average relative humidity is 80%.Rainfall
In West Lake Stevens, in April, during 18.3 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In West Lake Stevens, during the entire year, the rain falls for 179.1 days and collects up to 29.57" (751mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in West Lake Stevens. April is the last month it regularly snows. During 0.2 snowfall days, in April, West Lake Stevens aggregates 0.04" (1mm) of snow. Throughout the year, in West Lake Stevens, there are 8.9 snowfall days, and 6.1" (155mm) of snow is accumulated.Daylight
In West Lake Stevens, Washington, the average length of the day in April is 13h and 42min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:39 pm. On the last day of April, sunrise is at 5:50 am and sunset at 8:20 pm PDT.
Sunshine
The average sunshine in April is 7.8h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 3 in April translates into this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
What is the temperature in April in West Lake Stevens?
What is the average humidity in April in West Lake Stevens?
How much does it rain in West Lake Stevens in April?
What is the last month it snows in West Lake Stevens?
What is the average length of the day in April in West Lake Stevens?
When are sunrise and sunset in April in West Lake Stevens?
How long on average sun shines in April in West Lake Stevens?
What is the UV index intensity in April in West Lake Stevens?
Average temperature in April
West Lake Stevens, WA
- Average high temperature in April: 54.3°F
The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in April: 40.3°F
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).
Average pressure in April
West Lake Stevens, WA
- Average pressure in April: 30.04"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in April
West Lake Stevens, WA
- Average wind speed in April: 5mph
The windiest months (with the highest average wind speed) are March and November (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in April
West Lake Stevens, WA
- Average humidity in April: 80%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (73%).
Average rainfall in April
West Lake Stevens, WA
- Average rainfall in April: 2.64"
The wettest month (with the highest rainfall) is November (4.06").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in April
West Lake Stevens, WA
- Average rainfall days in April: 18.3 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in April
West Lake Stevens, WA
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (2.68").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
West Lake Stevens, WA
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is February (3.1 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
West Lake Stevens, 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 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days in April
West Lake Stevens, WA
- Average sunshine days in April: 9.2 days
The month with the most sunshine days is August (23.1 days).
The months with the least sunshine days are February and November (8.6 days).
Average UV index in April
West Lake Stevens, WA
- Average UV index in April: 3
The months with the highest UV index are June and 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
West Lake Stevens, WA
- Average cloud cover in April: 51
The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in April
West Lake Stevens, WA
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
West Lake Stevens, Washington, USA
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