Rock Springs

What is the climate like in Rock Springs?

The best time to visit Rock Springs is typically June – September, with trip comfort peaking in July (8.8/10). Rock Springs is warmest in July, when daily highs average 87°F (30°C), and coolest in January, when lows fall to about 11°F (-12°C). The wettest month is typically May and the driest is July; the year sees roughly 12 in (314 mm) of precipitation.

• Best time to visitJune – September — comfort peaks in July (8.8/10)
• Warmest monthJuly — average high 87°F (30°C)
• Coolest monthJanuary — average low 11°F (-12°C)
• Wettest monthMay (1.8 in (45 mm))
• Driest monthJuly (0.4 in (9 mm))
• Annual precipitation12 in (314 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromRock Springs AP, 12 km away (1948-2026)