Climate almanac
Eureka
California, US · 40.80°, -124.16°
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