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
April's onset brings a temperature rise, moving from a wintry 36.5°F (2.5°C) in March to a frosty 46°F (7.8°C). In the month of April, the nighttime temperature dips to a steady average of 26.6°F (-3°C).Humidity
The average relative humidity in April is 77%.Rainfall
In Winthrop, during April, the rain falls for 15.8 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, in Winthrop, Washington, there are 142.6 rainfall days, and 17.91" (455mm) of precipitation is accumulated.Snowfall
Months with snowfall in Winthrop are January through April, September through December. April is the last month it regularly snows in Winthrop, Washington. During 3.5 snowfall days, in April, Winthrop aggregates 1.22" (31mm) of snow. Throughout the year, there are 66.9 snowfall days, and 43.98" (1117mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 44min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:32 pm. On the last day of April, in Winthrop, Washington, sunrise is at 5:41 am and sunset at 8:14 pm PDT.
Sunshine
In Winthrop, the average sunshine in April is 9.9h.UV index
The average daily maximum UV index in April in Winthrop is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in April interprets into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. To avoid the Sun's strongest rays, limit exposure around the mid-day period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What are April temperatures in Winthrop?
What is the average humidity in April in Winthrop?
How much does it rain in Winthrop in April?
What is the last month it snows in Winthrop?
How many hours of daylight does Winthrop have in April?
When is the sunrise / sunset in April in Winthrop?
How long on average sun shines in April in Winthrop?
What is the UV index intensity in April in Winthrop?
Average temperature in April
Winthrop, WA
- Average high temperature in April: 46°F
The warmest month (with the highest average high temperature) is August (75.9°F).
The month with the lowest average high temperature is December (27.5°F).
- Average low temperature in April: 26.6°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (13.5°F).
Average pressure in April
Winthrop, WA
- Average pressure in April: 30"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June and August (29.95"Hg).
Average wind speed in April
Winthrop, WA
- Average wind speed in April: 4.8mph
The windiest months (with the highest average wind speed) are June and July (5mph).
The calmest months (with the lowest average wind speed) are January and December (3.6mph).
Average humidity in April
Winthrop, WA
- Average humidity in April: 77%
The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are July and August (53%).
Average rainfall in April
Winthrop, WA
- Average rainfall in April: 1.22"
The wettest month (with the highest rainfall) is December (2.48").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in April
Winthrop, WA
- Average rainfall days in April: 15.8 days
The month with the highest number of rainy days is March (17.3 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in April
Winthrop, WA
- Average snowfall in April: 1.22"
The month with the highest snowfall is December (12.87").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in April
Winthrop, WA
- Average snowfall days in April: 3.5 days
The month with the highest number of snowfall days is December (15.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Winthrop, WA
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in April: 9h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
Winthrop, WA
- Average sunshine days in April: 10.5 days
The month with the most sunshine days is August (23 days).
The month with the least sunshine days is March (8.3 days).
Average UV index in April
Winthrop, WA
- Average UV index in April: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in April
Winthrop, WA
- Average cloud cover in April: 39
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in April
Winthrop, WA
- Average visibility in April: 5mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).
Winthrop, Washington, USA
Weather forecast for your location
2. Allow the app to use your location
