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
As March transitions into April, a subtle temperature shift is observed, with average highs adjusting from a wintry 42.4°F (5.8°C) to a fresh 50.2°F (10.1°C). During the month of April, the nighttime temperature falls to an average of 31.3°F (-0.4°C).Humidity
The average relative humidity in April is 51%.Rainfall
In Alton, in April, during 7.7 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, there are 84.8 rainfall days, and 22.05" (560mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In April, it is snowing for 7.3 days. Throughout April, 5.83" (148mm) of snow is accumulated. Throughout the year, there are 66.4 snowfall days, and 75.08" (1907mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 11min.On the first day of April, sunrise is at 7:13 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 8:19 pm MDT.
Sunshine
The average sunshine in April is 9.6h.UV index
In Alton, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In April, a daily maximum UV index of 3 leads to the following instructions:
Take precautions - Protection against skin and eye damage is obliged. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How much does it rain in April?
How many days does it snow in April?
How many hours of daylight does Alton have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Alton have in April?
What is the UV index intensity in April?
Average temperature in April
Alton, UT
- Average high temperature in April: 50.2°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (32.9°F).
- Average low temperature in April: 31.3°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is December (17.2°F).
Average pressure in April
Alton, UT
- Average pressure in April: 29.91"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in April
Alton, UT
- Average wind speed in April: 9mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in April
Alton, UT
- Average humidity in April: 51%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is June (29%).
Average rainfall in April
Alton, UT
- Average rainfall in April: 1.34"
The wettest month (with the highest rainfall) is July (3.98").
The driest month (with the least rainfall) is June (0.39").
Average rainfall days in April
Alton, UT
- Average rainfall days in April: 7.7 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in April
Alton, UT
- Average snowfall in April: 5.83"
The month with the highest snowfall is December (14.06").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Alton, UT
- Average snowfall days in April: 7.3 days
The month with the highest number of snowfall days is December (12.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Alton, UT
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 9h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days in April
Alton, UT
- Average sunshine days in April: 16.4 days
The month with the most sunshine days is June (23.4 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in April
Alton, UT
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Alton, UT
- Average cloud cover in April: 26
The months with the most cloud cover are February and December (Cloud cover 38).
The month with the least cloud cover is June (Cloud cover 10).
Average visibility in April
Alton, UT
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Alton, Utah, USA
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