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, Alta notices a gentle rise in the average high-temperature, transitioning from a cold 32.5°F (0.3°C) to a still icy 40.1°F (4.5°C). During the nights in April, the temperature averages to a freezing cold 22.8°F (-5.1°C).Humidity
In Alta, the average relative humidity in April is 84%.Rainfall
In Alta, in April, it is raining for 9 days, with typically 3.78" (96mm) of accumulated precipitation. In Alta, during the entire year, the rain falls for 96.6 days and collects up to 32.95" (837mm) of precipitation.Snowfall
Months with snowfall are January through June, August through December. In Alta, during April, snow falls for 20.7 days and regularly aggregates up to 25.43" (646mm) of snow. Throughout the year, there are 160.8 snowfall days, and 200.16" (5084mm) of snow is accumulated.Daylight
In Alta, Wyoming, the average length of the day in April is 13h and 28min.On the first day of April, sunrise is at 7:03 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 8:26 pm MDT.
Sunshine
The average sunshine in April is 7.6h.UV index
In April, the average daily maximum UV index in Alta, Wyoming, is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In April, the maximum UV index of 2 translates into these guidelines:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is April?
What is the average humidity in April?
How many days does it rain in April?
How many days does it snow in April in Alta?
What is the average length of the day in April?
When are sunrise and sunset in April?
How many hours of sunshine does Alta have in April?
What is the UV index intensity in April?
Average temperature in April
Alta, WY
- Average high temperature in April: 40.1°F
The warmest month (with the highest average high temperature) is July (75.4°F).
The month with the lowest average high temperature is December (23.2°F).
- Average low temperature in April: 22.8°F
The month with the highest average low temperature is July (46.9°F).
The coldest month (with the lowest average low temperature) is December (7.7°F).
Average pressure in April
Alta, WY
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Alta, WY
- Average wind speed in April: 5.5mph
The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest months (with the lowest average wind speed) are January and December (4.8mph).
Average humidity in April
Alta, WY
- Average humidity in April: 84%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (47%).
Average rainfall in April
Alta, WY
- Average rainfall in April: 3.78"
The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is July (0.91").
Average rainfall days in April
Alta, WY
- Average rainfall days in April: 9 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (3 days).
Average snowfall in April
Alta, WY
- Average snowfall in April: 25.43"
The month with the highest snowfall is February (34.33").
The month with the least snowfall is July (0").
Average snowfall days in April
Alta, WY
- Average snowfall days in April: 20.7 days
The month with the highest number of snowfall days is March (23.6 days).
The month with the least snowfall days is July (0.1 days).
Average daylight in April /
Average sunshine in April
Alta, WY
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in April: 7h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in April
Alta, WY
- Average sunshine days in April: 6.2 days
The month with the most sunshine days is July (20.3 days).
The month with the least sunshine days is April (6.2 days).
Average UV index in April
Alta, WY
- Average UV index in April: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in April
Alta, WY
- Average cloud cover in April: 52
The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in April
Alta, WY
- Average visibility in April: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (3mi).
Alta, Wyoming, USA
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