Climate almanac

Sterling

Colorado, United States · 40.63°, -103.21°

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What is the climate like in Sterling?

The best time to visit Sterling is typically June – October, with trip comfort peaking in September (8.7/10). Sterling is warmest in July, when daily highs average 91°F (33°C), and coolest in January, when lows fall to about 22°F (-5°C). The wettest month is typically May and the driest is December; the year sees roughly 16 in (406 mm) of precipitation.

  • Best time to visitJune – October — comfort peaks in September (8.7/10)
  • Warmest monthJuly — average high 91°F (33°C)
  • Coolest monthJanuary — average low 22°F (-5°C)
  • Wettest monthMay (3.2 in (82 mm))
  • Driest monthDecember (0.5 in (11 mm))
  • Annual precipitation16 in (406 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromLeroy 5 Wsw, 22 km away (1893-2026)