Climate almanac

McCook

Nebraska, United States · 40.20°, -100.63°

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What is the climate like in McCook?

The best time to visit McCook is typically June – November, with trip comfort peaking in September (8.3/10). McCook is warmest in July, when daily highs average 90°F (32°C), and coolest in January, when lows fall to about 21°F (-6°C). The wettest month is typically May and the driest is November; the year sees roughly 23 in (591 mm) of precipitation.

  • Best time to visitJune – November — comfort peaks in September (8.3/10)
  • Warmest monthJuly — average high 90°F (32°C)
  • Coolest monthJanuary — average low 21°F (-6°C)
  • Wettest monthMay (4.4 in (111 mm))
  • Driest monthNovember (0.8 in (20 mm))
  • Annual precipitation23 in (591 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromMc Cook, 3 km away (1896-2026)