April weather forecastLonetree, WY
April
Weather in April
April in Lonetree, Wyoming, is a frosty spring month, with an average temperature varying between 27.1°F (-2.7°C) and 43.2°F (6.2°C).Temperature
The start of April brings a subtle rise in the average high-temperature, moving from a cold 36.3°F (2.4°C) in March to a chilly 43.2°F (6.2°C). Lonetree reports an average nighttime low-temperature of 27.1°F (-2.7°C) in April.Humidity
The average relative humidity in April is 65%.Rainfall
In Lonetree, in April, during 7.6 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, there are 93.9 rainfall days, and 14.17" (360mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Lonetree, in April, snow falls for 11.1 days, with typically accumulated 9.06" (230mm) of snow. In Lonetree, during the entire year, snow falls for 84.4 days and aggregates up to 56.22" (1428mm) of snow.Daylight
The average length of the day in April is 13h and 20min.On the first day of the month, sunrise is at 7:02 am and sunset at 7:46 pm. On the last day of April, sunrise is at 6:18 am and sunset at 8:16 pm MDT.
Sunshine
The average sunshine in April is 9.9h.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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 2 in April translates into the following instructions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Lonetree, WY
- Average high temperature in April: 43.2°F
The warmest month (with the highest average high temperature) is July (75°F).
The month with the lowest average high temperature is December (27°F).
- Average low temperature in April: 27.1°F
The month with the highest average low temperature is July (53.2°F).
The coldest month (with the lowest average low temperature) is December (12.2°F).
Average pressure in April
Lonetree, WY
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
Lonetree, WY
- Average wind speed in April: 9.4mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in April
Lonetree, WY
- Average humidity in April: 65%
The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are July and August (40%).
Average rainfall in April
Lonetree, WY
- Average rainfall in April: 1.61"
The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in April
Lonetree, WY
- Average rainfall days in April: 7.6 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is November (3 days).
Average snowfall in April
Lonetree, WY
- Average snowfall in April: 9.06"
The month with the highest snowfall is March (9.57").
The months with the least snowfall are July and August (0").
Average snowfall days in April
Lonetree, WY
- Average snowfall days in April: 11.1 days
The month with the highest number of snowfall days is February (13.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Lonetree, WY
- Average daylight in April: 13h and 18min
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 54min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The months with the least sunshine are January and December (Average sunshine: 6h and 24min).
Average sunshine days in April
Lonetree, WY
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in April
Lonetree, 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
Lonetree, WY
- Average cloud cover in April: 32
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is September (Cloud cover 15).
Average visibility in April
Lonetree, WY
- Average visibility in April: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).





