Climate almanac

Oakley

California, US · 38.00°, -121.71°

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What is the climate like in Oakley?

The best time to visit Oakley is typically April – October, with trip comfort peaking in July (9.4/10). Oakley is warmest in August, when daily highs average 86°F (30°C), and coolest in December, when lows fall to about 44°F (7°C). The wettest month is typically January and the driest is July; the year sees roughly 19 in of precipitation.

  • Best time to visitApril – October — comfort peaks in July (9.4/10)
  • Warmest monthAugust — average high 86°F (30°C)
  • Coolest monthDecember — average low 44°F (7°C)
  • Wettest monthJanuary (4.3 in)
  • Driest monthJuly (0.0 in)
  • Annual precipitation19 in