April weather forecastAlto, AZ
April
Weather in April
April is a moderately hot spring month in Alto, Arizona, with an average temperature fluctuating between 74.3°F (23.5°C) and 50.4°F (10.2°C).Temperature
With the onset of April, Alto's average high-temperature experiences a slight rise, moving from March's agreeable 68.5°F (20.3°C) to a moderately hot 74.3°F (23.5°C). Alto, in April, experiences a marked contrast from daytime zeniths to a steady average low-temperature of 50.4°F (10.2°C).Humidity
The average relative humidity in April is 27%.Rainfall
In Alto, in April, it is raining for 3.1 days, with typically 0.2" (5mm) of accumulated precipitation. Throughout the year, there are 87.8 rainfall days, and 15.43" (392mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In Alto, the average length of the day in April is 12h and 58min.On the first day of the month, sunrise is at 6:10 am and sunset at 6:43 pm. On the last day of April, sunrise is at 5:38 am and sunset at 7:03 pm MST.
Sunshine
In Alto, the average sunshine in April is 10.9h.UV index
In April, the average daily maximum UV index in Alto is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 5 in April transforms into this advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Alto, AZ
- Average high temperature in April: 74.3°F
The warmest month (with the highest average high temperature) is June (91°F).
The month with the lowest average high temperature is December (59.2°F).
- Average low temperature in April: 50.4°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is December (39.9°F).
Average pressure in April
Alto, AZ
- Average pressure in April: 29.89"Hg
The month with the highest atmospheric pressure is January (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in April
Alto, AZ
- Average wind speed in April: 9.8mph
The windiest month (with the highest average wind speed) is May (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in April
Alto, AZ
- Average humidity in April: 27%
The month with the highest relative humidity is August (51%).
The months with the lowest relative humidity are May and June (24%).
Average rainfall in April
Alto, AZ
- Average rainfall in April: 0.2"
The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is May (0.16").
Average rainfall days in April
Alto, AZ
- Average rainfall days in April: 3.1 days
The month with the highest number of rainy days is July (21.9 days).
The month with the least rainy days is May (1.8 days).
Average snowfall in April
Alto, AZ
- Average snowfall in April: 0"
The month with the highest snowfall is December (1.06").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in April
Alto, AZ
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
Alto, AZ
- Average daylight in April: 13h and 0min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in April: 10h and 54min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in April
Alto, AZ
- Average sunshine days in April: 27.2 days
The month with the most sunshine days is May (28.8 days).
The month with the least sunshine days is July (6.6 days).
Average UV index in April
Alto, AZ
- Average UV index in April: 5
The months with the highest UV index are June and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in April
Alto, AZ
- Average cloud cover in April: 11
The month with the most cloud cover is July (Cloud cover 24).
The month with the least cloud cover is May (Cloud cover 7).
Average visibility in April
Alto, AZ
- 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).
