Climate almanac

San Jose

California, US · 37.34°, -121.89°

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What is the climate like in San Jose?

San Jose is warmest in August, when daily highs average 79°F (26°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 27 in of precipitation.

  • Warmest monthAugust — average high 79°F (26°C)
  • Coolest monthDecember — average low 44°F (7°C)
  • Wettest monthJanuary (6.0 in)
  • Driest monthJuly (0.0 in)
  • Annual precipitation27 in