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 arrival of April brings a soft temperature shift, with the average high-temperature nudging from a fresh 51.6°F (10.9°C) in March to a mild 57.7°F (14.3°C). The low-temperature averages to a wintry 38.8°F (3.8°C) during the nights of April.Humidity
In April, the average relative humidity in Dayton is 81%.Rainfall
In Dayton, in April, it is raining for 19.2 days, with typically 2.6" (66mm) of accumulated precipitation. In Dayton, during the entire year, the rain falls for 172.2 days and collects up to 28.9" (734mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in April is 13h and 33min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:40 pm. On the last day of April, sunrise is at 6:01 am and sunset at 8:17 pm PDT.
Sunshine
In Dayton, the average sunshine in April is 7.1h.UV index
In Dayton, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 3 during April, leads to the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Dayton in April?
What is the average humidity in April?
How much does it rain in April?
When it does not snow?
Does it snow in April?
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?
How high is the UV index in April?
Average temperature in April
Dayton, OR
- Average high temperature in April: 57.7°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (44.1°F).
- Average low temperature in April: 38.8°F
The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).
Average pressure in April
Dayton, OR
- Average pressure in April: 30.07"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in April
Dayton, OR
- Average wind speed in April: 4.8mph
The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in April
Dayton, OR
- Average humidity in April: 81%
The months with the highest relative humidity are February and December (87%).
The month with the lowest relative humidity is August (67%).
Average rainfall in April
Dayton, OR
- Average rainfall in April: 2.6"
The wettest month (with the highest rainfall) is December (4.49").
The driest months (with the least rainfall) are July and August (0.35").
Average rainfall days in April
Dayton, OR
- Average rainfall days in April: 19.2 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (4.6 days).
Average snowfall in April
Dayton, OR
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Dayton, OR
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Dayton, OR
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in April: 7h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in April
Dayton, OR
- Average sunshine days in April: 8.7 days
The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in April
Dayton, OR
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Dayton, OR
- Average cloud cover in April: 56
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in April
Dayton, OR
- Average visibility in April: 5mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February and December (4mi).
Dayton, Oregon, USA
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