Climate almanac

Barstow Heights

California, United States · 34.87°, -117.06°

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What is the climate like in Barstow Heights?

The best time to visit Barstow Heights is typically February – November, with trip comfort peaking in May (9.2/10). Barstow Heights is warmest in July, when daily highs average 101°F (38°C), and coolest in January, when lows fall to about 39°F (4°C). The wettest month is typically January and the driest is June; the year sees roughly 5.3 in (134 mm) of precipitation.

  • Best time to visitFebruary – November — comfort peaks in May (9.2/10)
  • Warmest monthJuly — average high 101°F (38°C)
  • Coolest monthJanuary — average low 39°F (4°C)
  • Wettest monthJanuary (1.0 in (26 mm))
  • Driest monthJune (0.1 in (2 mm))
  • Annual precipitation5.3 in (134 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromBarstow, 4 km away (1980-2026)