Climate almanac

Exeter

California, United States · 36.30°, -119.14°

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What is the climate like in Exeter?

The best time to visit Exeter is typically April – October, with trip comfort peaking in September (9.2/10). Exeter is warmest in July, when daily highs average 102°F (39°C), and coolest in December, when lows fall to about 43°F (6°C). The wettest month is typically March and the driest is July; the year sees roughly 21 in (529 mm) of precipitation.

  • Best time to visitApril – October — comfort peaks in September (9.2/10)
  • Warmest monthJuly — average high 102°F (39°C)
  • Coolest monthDecember — average low 43°F (6°C)
  • Wettest monthMarch (4.9 in (126 mm))
  • Driest monthJuly (0.0 in (0 mm))
  • Annual precipitation21 in (529 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromLemon Cove, 14 km away (1899-2026)