July weather forecastRock Springs, WY
July
Weather in July
July features the highest temperature swing in Rock Springs, from 81.5°F (27.5°C) to 60.4°F (15.8°C). It records the lowest rainfall of 0.47" (12mm), marking it as the driest period in the city. The long, hot sunny days with high UV Index provide a classic summer experience. Outdoors turn into a lively rendezvous point for sunbathers, hikers, and picnic-goers. Despite the heat, the city vibrates with summer activities and festivities.Temperature
July stands out as Rock Springs's warmest month, with an average high-temperature of 81.5°F (27.5°C) and a low-temperature of 60.4°F (15.8°C).Humidity
July and August, with an average relative humidity of 31%, are the least humid months in Rock Springs.Rainfall
The month with the least rainfall is July, when the rain falls for 7.8 days and typically collects 0.47" (12mm) of precipitation.Snowfall
July and August are months without snowfall in Rock Springs, Wyoming.Daylight
In July, the average length of the day in Rock Springs, Wyoming, is 14h and 50min.On the first day of the month, sunrise is at 5:46 am and sunset at 8:54 pm. On the last day of July, sunrise is at 6:11 am and sunset at 8:35 pm MDT.
Sunshine
The months with the most sunshine in Rock Springs are July and August, with an average of 11.8h of sunshine.UV index
July is the month with the highest UV index, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In July, the maximum UV index of 6 translates into these guidelines:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Rock Springs, WY
- Average high temperature in July: 81.5°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 July: 60.4°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 July
Rock Springs, WY
- Average pressure in July: 29.96"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 July
Rock Springs, WY
- Average wind speed in July: 8.8mph
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 July
Rock Springs, WY
- Average humidity in July: 31%
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 July
Rock Springs, WY
- Average rainfall in July: 0.47"
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 July
Rock Springs, WY
- Average rainfall days in July: 7.8 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 July
Rock Springs, WY
- Average snowfall in July: 0"
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 July
Rock Springs, WY
- Average snowfall days in July: 0 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 July /
Average sunshine in July
Rock Springs, WY
- Average daylight in July: 14h and 48min
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 July: 11h and 48min
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 July
Rock Springs, WY
- Average sunshine days in July: 19.5 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 July
Rock Springs, WY
- Average UV index in July: 6
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 July
Rock Springs, WY
- Average cloud cover in July: 16
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 July
Rock Springs, WY
- Average visibility in July: 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).





