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 beginning of April marks a minor shift in the average high-temperature, moving from March's icy 41°F (5°C) to a frosty 49.8°F (9.9°C). Throughout April, Dayton witnesses a nighttime temperature average of 30.6°F (-0.8°C).Humidity
The average relative humidity in April is 67%.Rainfall
In Dayton, in April, during 16.6 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, in Dayton, Idaho, there are 127.4 rainfall days, and 18.27" (464mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Dayton, Idaho. In Dayton, in April, during 6.5 snowfall days, 2.8" (71mm) of snow is typically accumulated. Throughout the year, in Dayton, there are 83.8 snowfall days, and 60.12" (1527mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 23min.On the first day of the month, sunrise is at 7:08 am and sunset at 7:54 pm. On the last day of April, in Dayton, Idaho, sunrise is at 6:23 am and sunset at 8:26 pm MDT.
Sunshine
In April, the average sunshine is 9.7h.UV index
In Dayton, the average daily maximum UV index in April is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 2 in April leads to these guidelines:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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 in Dayton?
How many days does it rain in April?
How many days does it snow in April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How long on average sun shines in April in Dayton?
What is the UV index reading in April?
Average temperature in April
Dayton, ID
- Average high temperature in April: 49.8°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (28.8°F).
- Average low temperature in April: 30.6°F
The month with the highest average low temperature is July (53.8°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in April
Dayton, ID
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in April
Dayton, ID
- Average wind speed in April: 5.8mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in April
Dayton, ID
- Average humidity in April: 67%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (38%).
Average rainfall in April
Dayton, ID
- Average rainfall in April: 2.09"
The wettest month (with the highest rainfall) is February (2.24").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in April
Dayton, ID
- Average rainfall days in April: 16.6 days
The month with the highest number of rainy days is April (16.6 days).
The month with the least rainy days is July (5.5 days).
Average snowfall in April
Dayton, ID
- Average snowfall in April: 2.8"
The month with the highest snowfall is January (16.73").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Dayton, ID
- Average snowfall days in April: 6.5 days
The months with the highest number of snowfall days are January and February (17.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Dayton, ID
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 9h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in April
Dayton, ID
- Average sunshine days in April: 9.2 days
The month with the most sunshine days is July (21.8 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in April
Dayton, ID
- 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 and December (UV index 1).
Average cloud cover in April
Dayton, ID
- Average cloud cover in April: 33
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in April
Dayton, ID
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
Dayton, Idaho, USA
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