Rock Springs weather by month & the best time to visit
🇺🇸 United States · small town · semi-arid climate
The best time to visit Rock Springs is July — its sunniest month (Sunshine Score 95/100), with June and August close behind. Rock Springs averages about 3,116 hours of sunshine a year. Daytime highs around 31°C / 88°F and roughly 15 mm of rain in July.
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- Sun hours / year
- 3,116
- Sunniest month
- July
- Peak score
- 95/100
- Rain / year
- 235 mm
- Snow / year
- ≈1.4 m
- Midday UV at peak
- 10 (very high)
- Population
- 24k
- Elevation
- 2,055 m
When is the best time to visit Rock Springs?
For sunshine, the best time to visit Rock Springs is July, then June and August. The dullest month is January (0/100, 11 mm of rain). The full month-by-month picture is in the table below.
How sunny is Rock Springs?
Rock Springs is one of the sunniest places on Earth: about 3,116 hours of sunshine a year. 95 Sunshine Score points separate July (95) from January (0), so the month you pick matters. It ranks #73 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. The year's 235 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | 0° / 32°F | -11° / 12°F | 11 mm | 2 |
| February | 0 | 2° / 36°F | -9° / 16°F | 13 mm | 3 |
| March | 0 | 7° / 45°F | -5° / 23°F | 18 mm | 5 |
| April | 31 | 12° / 54°F | -2° / 28°F | 26 mm | 7 |
| May | 76 | 18° / 64°F | 3° / 37°F | 35 mm | 8 |
| June | 94 | 26° / 79°F | 9° / 48°F | 20 mm | 9 |
| July | 95 | 31° / 88°F | 15° / 59°F | 15 mm | 10 |
| August | 94 | 28° / 82°F | 13° / 55°F | 20 mm | 9 |
| September | 93 | 23° / 73°F | 7° / 45°F | 25 mm | 7 |
| October | 39 | 13° / 55°F | 0° / 32°F | 22 mm | 4 |
| November | 0 | 5° / 41°F | -6° / 21°F | 15 mm | 2 |
| December | 0 | -1° / 30°F | -11° / 12°F | 15 mm | 1 |
See Rock Springs on the interactive sunshine globe →
Nearby places for sunshine
- Hayden United States · 198 km · best in Jun · 3,058 h sun/yr
- Salt Lake City United States · 260 km · best in Aug · 3,123 h sun/yr
- Jackson Hole United States · 262 km · best in Jul · 2,836 h sun/yr
- Provo United States · 271 km · best in Jun · 3,122 h sun/yr
- Grand Junction United States · 278 km · best in May · 3,302 h sun/yr
- Eagle United States · 283 km · best in Jun · 3,154 h sun/yr
Nearest destinations
- Vernal United States · 134 km · 3,186 h sun/yr · best in Jun
- Riverton United States · 171 km · 3,100 h sun/yr · best in Jul
- Ogden United States · 250 km · 2,944 h sun/yr · best in Aug
- Casper United States · 259 km · 3,022 h sun/yr · best in Aug
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