When to go · Eureka
Eureka, month by month
The best months for Eureka: May, Jun, Jul, Aug, Sep, Oct. Months to avoid: Jan, Feb, Mar, Nov, Dec.
Month by month
- JanuaryAvoidListed as a month to avoid: Nov–Mar (heavy rain, short days); fog any month on the coast.13 °C / 5 °C, 16 rain days55 °F / 41 °F, 16 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Nov–Mar (heavy rain, short days); fog any month on the coast.13 °C / 5 °C, 14 rain days55 °F / 41 °F, 14 rain daysCrowds: Low · 1 festival or holiday
- MarchAvoidListed as a month to avoid: Nov–Mar (heavy rain, short days); fog any month on the coast.14 °C / 6 °C, 16 rain days57 °F / 43 °F, 16 rain daysCrowds: Medium · 2 festivals or holidays
- AprilGoodOutside the best window (Jun–Sep (driest, warmest); May and Oct are quieter and often fine). Across United States: Good month for the Southwest, Washington cherry blossoms, the South; mountain roads still closed.15 °C / 7 °C, 12 rain days59 °F / 45 °F, 12 rain daysCrowds: Medium · 1 festival or holiday
- MayGreatInside Eureka's best window: Jun–Sep (driest, warmest); May and Oct are quieter and often fine.16 °C / 9 °C, 9 rain days61 °F / 48 °F, 9 rain daysCrowds: Medium · 1 festival or holiday
- JuneGreatInside Eureka's best window: Jun–Sep (driest, warmest); May and Oct are quieter and often fine.17 °C / 10 °C, 6 rain days63 °F / 50 °F, 6 rain daysCrowds: High
- JulyGreatInside Eureka's best window: Jun–Sep (driest, warmest); May and Oct are quieter and often fine.18 °C / 11 °C, 3 rain days64 °F / 52 °F, 3 rain daysCrowds: High · 1 festival or holiday
- AugustGreatInside Eureka's best window: Jun–Sep (driest, warmest); May and Oct are quieter and often fine.19 °C / 12 °C, 4 rain days66 °F / 54 °F, 4 rain daysCrowds: High
- SeptemberGreatInside Eureka's best window: Jun–Sep (driest, warmest); May and Oct are quieter and often fine.19 °C / 11 °C, 5 rain days66 °F / 52 °F, 5 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGreatInside Eureka's best window: Jun–Sep (driest, warmest); May and Oct are quieter and often fine.18 °C / 9 °C, 9 rain days64 °F / 48 °F, 9 rain daysCrowds: Medium
- NovemberAvoidListed as a month to avoid: Nov–Mar (heavy rain, short days); fog any month on the coast.15 °C / 7 °C, 15 rain days59 °F / 45 °F, 15 rain daysCrowds: Medium · 1 festival or holiday
- DecemberAvoidListed as a month to avoid: Nov–Mar (heavy rain, short days); fog any month on the coast.13 °C / 5 °C, 17 rain days55 °F / 41 °F, 17 rain daysCrowds: High · 1 festival or holiday