Climate almanac

Eureka

California, US · 40.80°, -124.16°

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What is the climate like in Eureka?

The best time to visit Eureka is typically June – September, with trip comfort peaking in August (7.5/10). Eureka is warmest in September, when daily highs average 62°F (17°C), and coolest in February, when lows fall to about 46°F (8°C). The wettest month is typically January and the driest is July; the year sees roughly 51 in of precipitation.

  • Best time to visitJune – September — comfort peaks in August (7.5/10)
  • Warmest monthSeptember — average high 62°F (17°C)
  • Coolest monthFebruary — average low 46°F (8°C)
  • Wettest monthJanuary (9.6 in)
  • Driest monthJuly (0.4 in)
  • Annual precipitation51 in