April weather forecastDayton, WA
April
Weather in April
April is a refreshing spring month in Dayton, Washington, with an average temperature ranging between min 37.9°F (3.3°C) and max 55.8°F (13.2°C).Temperature
With the onset of April, the average high-temperature subtly transitions from a chilly 48.2°F (9°C) in March to a mild 55.8°F (13.2°C). Dayton encounters a steady low-temperature average of 37.9°F (3.3°C) throughout the month of April.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. Throughout the year, there are 144.3 rainfall days, and 15.75" (400mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September, November and December. In Dayton, during April, snow falls for 1 days and regularly aggregates up to 0.31" (8mm) of snow. In Dayton, during the entire year, snow falls for 28.4 days and aggregates up to 13.58" (345mm) of snow.Daylight
The average length of the day in April is 13h and 36min.On the first day of April, sunrise is at 6:29 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:00 pm PDT.
Sunshine
In April, the average sunshine is 9.8h.UV index
In Dayton, Washington, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In April, an average UV index of 3 transforms into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 36min
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 48min
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).
