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
As March transitions into April, Snohomish notices a gentle rise in the average high-temperature, transitioning from a chilly 49.5°F (9.7°C) to a fresh 54.9°F (12.7°C). Snohomish experiences a nighttime temperature average of 39.2°F (4°C) during April.Humidity
The average relative humidity in April is 80%.Rainfall
In Snohomish, in April, during 15 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, there are 140.3 rainfall days, and 15.12" (384mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Snohomish. April is the last month it regularly snows. During 0.3 snowfall days, in April, Snohomish aggregates 0.04" (1mm) of snow. In Snohomish, during the entire year, snow falls for 7.7 days and aggregates up to 3.5" (89mm) of snow.Daylight
In Snohomish, the average length of the day in April is 13h and 41min.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 Snohomish, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In April, the maximum UV index of 3 translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
What is the average April temperature in Snohomish?
What is the average humidity in April in Snohomish?
How many days does it rain in April in Snohomish?
What is the last month it snows in Snohomish?
How many hours of daylight does Snohomish have in April?
When are sunrise and sunset in April in Snohomish?
How many hours of sunshine does Snohomish have in April?
How high is the UV index in April in Snohomish?
Average temperature in April
Snohomish, WA
- Average high temperature in April: 54.9°F
The warmest month (with the highest average high temperature) is August (74.7°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in April: 39.2°F
The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (33.6°F).
Average pressure in April
Snohomish, WA
- Average pressure in April: 30.04"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in April
Snohomish, WA
- Average wind speed in April: 4.5mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in April
Snohomish, WA
- Average humidity in April: 80%
The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is July (72%).
Average rainfall in April
Snohomish, WA
- Average rainfall in April: 1.38"
The wettest month (with the highest rainfall) is December (2.17").
The driest month (with the least rainfall) is August (0.28").
Average rainfall days in April
Snohomish, WA
- Average rainfall days in April: 15 days
The month with the highest number of rainy days is March (15.8 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in April
Snohomish, WA
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Snohomish, WA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (2.7 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
Snohomish, 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 month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in April
Snohomish, WA
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is August (24 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in April
Snohomish, WA
- Average UV index in April: 3
The month with the highest UV index is 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
Snohomish, WA
- Average cloud cover in April: 52
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in April
Snohomish, WA
- Average visibility in April: 5mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, November and December (5mi).
Snohomish, Washington, USA
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