April weather forecastBig Horn, WY
April
Weather in April
April in Big Horn, Wyoming, is a frosty spring month, with an average temperature varying between 30.4°F (-0.9°C) and 47.1°F (8.4°C).Temperature
As Big Horn welcomes April, the average high-temperature sees a modest rise, transitioning from an icy 40.6°F (4.8°C) in March to a frosty 47.1°F (8.4°C). Throughout the nights in April, Big Horn experiences an average low-temperature of 30.4°F (-0.9°C).Humidity
In April, the average relative humidity is 69%.Rainfall
In Big Horn, in April, it is raining for 17.6 days, with typically 2.72" (69mm) of accumulated precipitation. In Big Horn, during the entire year, the rain falls for 165.2 days and collects up to 21.22" (539mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. The month with the most snowfall in Big Horn is April, when snow falls for 8.6 days and typically aggregates up to 8.7" (221mm) of snow.Daylight
In April, the average length of the day in Big Horn is 13h and 31min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:36 pm. On the last day of April, sunrise is at 5:58 am and sunset at 8:12 pm MDT.
Sunshine
In Big Horn, the average sunshine in April is 9.7h.UV index
The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 2 in April leads to these guidelines:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Big Horn, WY
- Average high temperature in April: 47.1°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is February (29.1°F).
- Average low temperature in April: 30.4°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).
Average pressure in April
Big Horn, WY
- Average pressure in April: 29.92"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in April
Big Horn, WY
- Average wind speed in April: 7.6mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in April
Big Horn, WY
- Average humidity in April: 69%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (46%).
Average rainfall in April
Big Horn, WY
- Average rainfall in April: 2.72"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is December (0.75").
Average rainfall days in April
Big Horn, WY
- Average rainfall days in April: 17.6 days
The month with the highest number of rainy days is May (22.3 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in April
Big Horn, WY
- Average snowfall in April: 8.7"
The month with the highest snowfall is April (8.7").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Big Horn, WY
- Average snowfall days in April: 8.6 days
The month with the highest number of snowfall days is February (15.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Big Horn, WY
- Average daylight in April: 13h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in April: 9h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).
Average sunshine days in April
Big Horn, WY
- Average sunshine days in April: 6.8 days
The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is May (5.8 days).
Average UV index in April
Big Horn, WY
- Average UV index in April: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in April
Big Horn, WY
- Average cloud cover in April: 37
The months with the most cloud cover are February and April (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in April
Big Horn, WY
- 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).
