July weather forecast
Rock Springs, WY

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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.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest in Rock Springs?

Temperature records mark July as the warmest month, with highs averaging 81.5°F (27.5°C) and lows at 60.4°F (15.8°C).

What is the temperature in July in Rock Springs?

The high-temperature, in July, in Rock Springs, is 81.5°F (27.5°C), while the low-temperature averages to 60.4°F (15.8°C).

What are the least humid months in Rock Springs?

July and August, with an average relative humidity of 31%, are the least humid months.

What is the average humidity in July in Rock Springs?

In Rock Springs, Wyoming, the average relative humidity in July is 31%.

What is the driest month in Rock Springs?

July is the month with the least rainfall. Rain falls for 7.8 days and accumulates 0.47" (12mm) of precipitation.

How many days does it rain in July in Rock Springs?

In Rock Springs, Wyoming, in July, it is raining for 7.8 days, with typically 0.47" (12mm) of accumulated precipitation.

When it does not snow in Rock Springs?

In Rock Springs, snow does not fall in July and August.

Does it snow in Rock Springs in July?

In July, it doesn't snow. June is the latest month when it typically snows.

How many hours of daylight does Rock Springs have in July?

In July, the average day length in Rock Springs, Wyoming, is 14h and 50min.

When are sunrise and sunset in July in Rock Springs?

On the first day of July, sunrise is at 5:46 am and sunset at 8:54 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:35 pm MDT.

What are the months with the most sunshine in Rock Springs?

The months with the most sunshine in Rock Springs, Wyoming, are July and August, with an average of 11.8h of sunshine.

How many hours of sunshine does Rock Springs have in July?

In July, the average sunshine duration in Rock Springs, Wyoming, is 11.8h.

What is the month with the highest UV index in Rock Springs?

July is the month with the highest UV index, with an average maximum UV index of 6.

How high is the UV index in July in Rock Springs?

In Rock Springs, Wyoming, the average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Rock Springs, WY

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in July - Rock Springs, WY
  • Average daylight in July: 14h and 5min

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 5min

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 - 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 - 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 - 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 - 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).

Rock Springs, Wyoming, USA

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