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
The onset of April marks a slight increase in the average high-temperature, moving from a frosty 48.2°F (9°C) in March to a moderate 55.8°F (13.2°C). Dayton, during the nights of April, experiences an average temperature drop to a wintry 37.9°F (3.3°C).Humidity
In Dayton, the average relative humidity in April is 67%.Rainfall
In Dayton, in April, it is raining for 16 days, with typically 1.38" (35mm) of accumulated precipitation. In Dayton, during the entire year, the rain falls for 144.3 days and collects up to 15.75" (400mm) of precipitation.Snowfall
Months with snowfall are January through May, September, November and December. In April, in Dayton, it is snowing for 1 days. Throughout April, 0.31" (8mm) of snow is accumulated. Throughout the year, there are 28.4 snowfall days, and 13.58" (345mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 36min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:21 pm. On the last day of April, sunrise is at 5:37 am and sunset at 8:00 pm PDT.
Sunshine
In Dayton, Washington, the average sunshine in April is 9.8h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 3 in April leads to these guidelines:
Guard yourself - Avoiding sunburn is suggested. To protect against the Sun's most potent rays, avoid direct exposure around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How many days does it rain in April?
How many days does it snow in April in Dayton?
How many hours of daylight does Dayton have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Dayton have in April?
What is the UV index reading in April?
Average temperature in April
Dayton, WA
- Average high temperature in April: 55.8°F
The warmest month (with the highest average high temperature) is August (83.7°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in April: 37.9°F
The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is December (25.7°F).
Average pressure in April
Dayton, WA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in April
Dayton, WA
- Average wind speed in April: 8.6mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is September (6.3mph).
Average humidity in April
Dayton, WA
- Average humidity in April: 67%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (39%).
Average rainfall in April
Dayton, WA
- Average rainfall in April: 1.38"
The wettest month (with the highest rainfall) is December (2.05").
The driest months (with the least rainfall) are July and August (0.35").
Average rainfall days in April
Dayton, WA
- Average rainfall days in April: 16 days
The month with the highest number of rainy days is March (17.6 days).
The month with the least rainy days is July (5.3 days).
Average snowfall in April
Dayton, WA
- Average snowfall in April: 0.31"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and October (0").
Average snowfall days in April
Dayton, WA
- Average snowfall days in April: 1 days
The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Dayton, WA
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in April: 9h and 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in April
Dayton, WA
- Average sunshine days in April: 11.3 days
The month with the most sunshine days is July (24 days).
The month with the least sunshine days is February (10 days).
Average UV index in April
Dayton, WA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Dayton, WA
- Average cloud cover in April: 36
The months with the most cloud cover are January and February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in April
Dayton, WA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Dayton, Washington, USA
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