Rock Springs in Summer
In summer (June, July and August), Rock Springs sees average daytime highs around 80°F and overnight lows near 55°F, with 1.8 in of rain over about 12 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 70°F in early June to 78°F by late August. The sky is clear or mostly clear about 51% of the time across summer, and the air most often feels dry.
Summer is Rock Springs's best season of the year to visit on our travel score. For the whole year in context, see Rock Springs's year-round climate.
- Avg daytime high
- 80°F
- warmest season of the year
- Avg overnight low
- 55°F
- Rainfall
- 1.8 in
- 12 wet days
- Avg wind
- 8 mph
- Travel score
- 7.4
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Rock Springs in Summer
Over the season highs climb from about 70°F in early June to 78°F by late August.
A typical summer day in Rock Springs reaches about 80°F and drops to 55°F overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Rock Springs
Once humidity and wind are folded in, summer brings about 0 days that feel above 90°F and 0 that feel at or below 32°F.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Rock Springs weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 26° / 10° | 0.7 | 5.5 | 6.1 | 9.3 | 0.0 |
| Feb | 30° / 13° | 0.7 | 5.2 | 5.8 | 10.3 | 0.0 |
| Mar | 41° / 22° | 1.1 | 7.1 | 6.1 | 11.7 | 0.5 |
| Apr | 51° / 30° | 1.6 | 9.8 | 6.2 | 13.1 | 2.5 |
| May | 63° / 40° | 1.6 | 8.7 | 1.8 | 14.3 | 5.6 |
| Jun | 75° / 50° | 0.8 | 4.5 | 0.2 | 15 | 7.8 |
| Jul | 84° / 58° | 0.5 | 3.8 | 0 | 14.7 | 6.8 |
| Aug | 81° / 56° | 0.5 | 3.9 | 0 | 13.7 | 7.6 |
| Sep | 71° / 46° | 0.9 | 4.8 | 0.4 | 12.3 | 7.7 |
| Oct | 56° / 34° | 1.1 | 5.7 | 2.8 | 10.9 | 4.4 |
| Nov | 39° / 20° | 0.8 | 5.7 | 5.1 | 9.7 | 0.3 |
| Dec | 27° / 10° | 0.7 | 5.7 | 6.4 | 9 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 51% of the time across summer.
Chance of precipitation in Summer
Rock Springs gets around 1.8 in of rain over 12 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 8 mph across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 48 min in early June to 13 hours by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 7.6 kWh/m².
Is summer a good time to visit Rock Springs?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is one of the better times to visit Rock Springs for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Rock Springs in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Rock Springs sees daytime highs around 80°F and nights near 55°F. Pack light clothes and sun protection. About 12 days see rain.
UV index in Rock Springs in Summer
Clear-sky midday UV across summer averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Rock Springs peaks around July 16 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 4 | 6 | 5 | 8 | 10 | 11 | 9 | 7 | 5 | 3 | 2 |
| Level | Low | Moderate | High | High | Very high | Very high | Extreme | Very high | Very high | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 4 | Moderate |
| Mar | 6 | High |
| Apr | 5 | High |
| May | 8 | Very high |
| Jun | 10 | Very high |
| Jul | 11 | Extreme |
| Aug | 9 | Very high |
| Sep | 7 | Very high |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Where is Rock Springs?
Rock Springs sits at 41.6°N, 109.2°W, 6,388 ft above sea level, in United States. The nearest listed city is Park City, 136 mi away.
Topography around Rock Springs
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Rock Springs.
Within 2 miles, the terrain around Rock Springs has only modest variations in elevation — a maximum elevation change of 581 ft around an average of 6,437 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,841 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,213 ft.
The land around Rock Springs is covered by shrubs (37%), bare terrain (25%) and artificial surfaces (21%) within 2 miles, shrubs (48%) and bare terrain (29%) within 10 miles, and shrubs (46%), bare terrain (26%) and grassland (25%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Rock Springs (41.5875°, -109.2029°, elevation 6,388 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.