Climate almanac
Exeter
California, United States · 36.30°, -119.14°
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)