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
Observing a rise in April, the average high-temperature goes from March's wintry 35.4°F (1.9°C) to a chilly 44.6°F (7°C). Altamont's nighttime temperature in April drops to an average of 27.3°F (-2.6°C).Humidity
The average relative humidity in April is 70%.Rainfall
The months with the most rainfall are April and May, with an average 1.38" (35mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In Altamont, Wyoming, in April, during 12.7 snowfall days, 8.03" (204mm) of snow is typically accumulated. Throughout the year, there are 99.3 snowfall days, and 56.22" (1428mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 21min.On the first day of the month, sunrise is at 7:04 am and sunset at 7:48 pm. On the last day of April, in Altamont, sunrise is at 6:20 am and sunset at 8:19 pm MDT.
Sunshine
The average sunshine in April is 9.8h.UV index
The average daily maximum UV index in April is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 2 in April transforms into this advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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?
What is the rainiest month?
How many days does it rain in April?
How many days does it snow in April in Altamont?
How many hours of daylight does Altamont have in April?
When is the sunrise / sunset in April in Altamont?
How long on average sun shines in April in Altamont?
What is the UV index reading in April?
Average temperature in April
Altamont, WY
- Average high temperature in April: 44.6°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (26.4°F).
- Average low temperature in April: 27.3°F
The month with the highest average low temperature is July (51.6°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in April
Altamont, WY
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
Altamont, WY
- Average wind speed in April: 8.2mph
The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in April
Altamont, WY
- Average humidity in April: 70%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is August (39%).
Average rainfall in April
Altamont, WY
- Average rainfall in April: 1.38"
The wettest months (with the highest rainfall) are April and May (1.38").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days in April
Altamont, WY
- Average rainfall days in April: 10.3 days
The month with the highest number of rainy days is May (11.9 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in April
Altamont, WY
- Average snowfall in April: 8.03"
The month with the highest snowfall is March (10").
The months with the least snowfall are July and August (0").
Average snowfall days in April
Altamont, WY
- Average snowfall days in April: 12.7 days
The month with the highest number of snowfall days is February (16.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Altamont, WY
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 9h and 5min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in April
Altamont, WY
- Average sunshine days in April: 10.8 days
The month with the most sunshine days is June (19.5 days).
The month with the least sunshine days is April (10.8 days).
Average UV index in April
Altamont, WY
- Average UV index in April: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in April
Altamont, WY
- Average cloud cover in April: 33
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in April
Altamont, WY
- 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 and February (4mi).
Altamont, Wyoming, USA
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