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
A shift in the average high-temperature is noticeable in April, changing from a cold 39.7°F (4.3°C) in March to a chilly 48.7°F (9.3°C). April's nights in Rock Springs observe an average temperature of 31.5°F (-0.3°C).Humidity
In April, the average relative humidity in Rock Springs is 59%.Rainfall
In April, in Rock Springs, the rain falls for 11.4 days. Throughout April, 1.42" (36mm) of precipitation is accumulated. In Rock Springs, during the entire year, the rain falls for 93.5 days and collects up to 10.31" (262mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In Rock Springs, Wyoming, in April, during 7.8 snowfall days, 4.49" (114mm) of snow is typically accumulated. In Rock Springs, during the entire year, snow falls for 75.5 days and aggregates up to 30.16" (766mm) of snow.Daylight
In April, the average length of the day is 13h and 22min.On the first day of the month, sunrise is at 6:58 am and sunset at 7:42 pm. On the last day of April, sunrise is at 6:13 am and sunset at 8:14 pm MDT.
Sunshine
In April, the average sunshine in Rock Springs is 10.1h.UV index
The months with the lowest UV index in Rock Springs 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 minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 2 in April translates into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Rock Springs?
What is the average humidity in April in Rock Springs?
How much does it rain in Rock Springs in April?
How many days does it snow in April in Rock Springs?
What is the average length of the day in April in Rock Springs?
When is the sunrise / sunset in April in Rock Springs?
How long on average sun shines in April in Rock Springs?
What are the months with the lowest UV index in Rock Springs?
What is the UV index reading in April in Rock Springs?
Average temperature in April
Rock Springs, WY
- Average high temperature in April: 48.7°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in April: 31.5°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in April
Rock Springs, 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 (29.89"Hg).
Average wind speed in April
Rock Springs, WY
- Average wind speed in April: 12.2mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity in April
Rock Springs, WY
- Average humidity in April: 59%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are July and August (31%).
Average rainfall in April
Rock Springs, WY
- Average rainfall in April: 1.42"
The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in April
Rock Springs, WY
- Average rainfall days in April: 11.4 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (4.7 days).
Average snowfall in April
Rock Springs, WY
- Average snowfall in April: 4.49"
The month with the highest snowfall is March (6.14").
The months with the least snowfall are July and August (0").
Average snowfall days in April
Rock Springs, WY
- Average snowfall days in April: 7.8 days
The month with the highest number of snowfall days is December (13.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Rock Springs, 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 12min).
- Average sunshine in April: 10h and 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 54min).
Average sunshine days in April
Rock Springs, WY
- Average sunshine days in April: 11.5 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is April (11.5 days).
Average UV index in April
Rock Springs, 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
Rock Springs, WY
- Average cloud cover in April: 32
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in April
Rock Springs, 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).
Rock Springs, Wyoming, USA
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