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
Bothell's average high-temperature in April sits at a refreshing 55.4°F (13°C), showing little difference from the previous month. Bothell, during the month of April, experiences an average low-temperature of 39.9°F (4.4°C).Humidity
In April, the average relative humidity is 80%.Rainfall
In Bothell, in April, it is raining for 16.3 days, with typically 1.89" (48mm) of accumulated precipitation. Throughout the year, there are 166.9 rainfall days, and 21.93" (557mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Bothell aggregates 0.04" (1mm) of snow. Throughout the year, there are 6.6 snowfall days, and 2.6" (66mm) of snow is accumulated.Daylight
In Bothell, the average length of the day in April is 13h and 41min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:39 pm. On the last day of April, sunrise is at 5:51 am and sunset at 8:20 pm PDT.
Sunshine
In Bothell, Washington, the average sunshine in April is 8.1h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 3 in April transforms into this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Around midday, solar radiation is most harmful; hence, exposure should be limited. Stay sun-safe with clothing that is both closely woven and worn loosely. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How many days 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 many hours of sunshine does Bothell have in April?
What is the UV index reading in April in Bothell?
Average temperature in April
Bothell, WA
- Average high temperature in April: 55.4°F
The warmest month (with the highest average high temperature) is August (74.8°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in April: 39.9°F
The month with the highest average low temperature is August (53.1°F).
The coldest months (with the lowest average low temperature) are February and December (35.1°F).
Average pressure in April
Bothell, 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
Bothell, WA
- Average wind speed in April: 4.7mph
The windiest months (with the highest average wind speed) are January and March (5.3mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in April
Bothell, WA
- Average humidity in April: 80%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (71%).
Average rainfall in April
Bothell, WA
- Average rainfall in April: 1.89"
The wettest month (with the highest rainfall) is January (2.87").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in April
Bothell, WA
- Average rainfall days in April: 16.3 days
The month with the highest number of rainy days is November (17.9 days).
The month with the least rainy days is August (6.9 days).
Average snowfall in April
Bothell, WA
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Bothell, WA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (2.5 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
Bothell, WA
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).
Average sunshine days in April
Bothell, WA
- Average sunshine days in April: 10.5 days
The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is April (10.5 days).
Average UV index in April
Bothell, 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
Bothell, WA
- Average cloud cover in April: 49
The months with the most cloud cover are January and December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in April
Bothell, WA
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (5mi).
Bothell, Washington, USA
Weather forecast for your location
2. Allow the app to use your location