April weather forecastUpton, WY
April
Weather in April
April is a chilly spring month in Upton, Wyoming, with an average temperature varying between 29.5°F (-1.4°C) and 47.1°F (8.4°C).Temperature
April's arrival sees a mild rise in the average high-temperature, transitioning from March's cold 39.4°F (4.1°C) to a frosty 47.1°F (8.4°C). Upton records an average nighttime low-temperature of 29.5°F (-1.4°C) throughout April.Humidity
In April, the average relative humidity is 72%.Rainfall
In Upton, during April, the rain falls for 12.7 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, there are 123.2 rainfall days, and 19.37" (492mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. April is the month with the most snowfall. Snow falls for 10.6 days and accumulates 8.82" (224mm) of snow.Daylight
In Upton, the average length of the day in April is 13h and 29min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:26 pm. On the last day of April, sunrise is at 5:49 am and sunset at 8:01 pm MDT.
Sunshine
In April, the average sunshine is 9.2h.UV index
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: In April, the maximum UV index of 2 transforms into these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Upton, WY
- Average high temperature in April: 47.1°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 (26.2°F).
- Average low temperature in April: 29.5°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is February (10.8°F).
Average pressure in April
Upton, WY
- Average pressure in April: 29.92"Hg
The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in April
Upton, WY
- Average wind speed in April: 10.3mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).
Average humidity in April
Upton, WY
- Average humidity in April: 72%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (53%).
Average rainfall in April
Upton, WY
- Average rainfall in April: 2.09"
The wettest months (with the highest rainfall) are June and July (2.68").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days in April
Upton, WY
- Average rainfall days in April: 12.7 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in April
Upton, WY
- Average snowfall in April: 8.82"
The month with the highest snowfall is April (8.82").
The months with the least snowfall are July and August (0").
Average snowfall days in April
Upton, WY
- Average snowfall days in April: 10.6 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Upton, WY
- Average daylight in April: 13h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in April: 9h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in April
Upton, WY
- Average sunshine days in April: 10.6 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in April
Upton, 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 January, February, March, April, October, November and December (UV index 2).
Average cloud cover in April
Upton, WY
- Average cloud cover in April: 40
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in April
Upton, WY
- 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).





