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 (55 °F) / 5 °C (41 °F), 16 rain days55 °F (13 °C) / 41 °F (5 °C), 16 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Nov–Mar (heavy rain, short days); fog any month on the coast.13 °C (55 °F) / 5 °C (41 °F), 14 rain days55 °F (13 °C) / 41 °F (5 °C), 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 (57 °F) / 6 °C (43 °F), 16 rain days57 °F (14 °C) / 43 °F (6 °C), 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 (59 °F) / 7 °C (45 °F), 12 rain days59 °F (15 °C) / 45 °F (7 °C), 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 (61 °F) / 9 °C (48 °F), 9 rain days61 °F (16 °C) / 48 °F (9 °C), 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 (63 °F) / 10 °C (50 °F), 6 rain days63 °F (17 °C) / 50 °F (10 °C), 6 rain daysCrowds: High
- JulyGreatInside Eureka's best window: Jun–Sep (driest, warmest); May and Oct are quieter and often fine.18 °C (64 °F) / 11 °C (52 °F), 3 rain days64 °F (18 °C) / 52 °F (11 °C), 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 (66 °F) / 12 °C (54 °F), 4 rain days66 °F (19 °C) / 54 °F (12 °C), 4 rain daysCrowds: High
- SeptemberGreatInside Eureka's best window: Jun–Sep (driest, warmest); May and Oct are quieter and often fine.19 °C (66 °F) / 11 °C (52 °F), 5 rain days66 °F (19 °C) / 52 °F (11 °C), 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 (64 °F) / 9 °C (48 °F), 9 rain days64 °F (18 °C) / 48 °F (9 °C), 9 rain daysCrowds: Medium
- NovemberAvoidListed as a month to avoid: Nov–Mar (heavy rain, short days); fog any month on the coast.15 °C (59 °F) / 7 °C (45 °F), 15 rain days59 °F (15 °C) / 45 °F (7 °C), 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 (55 °F) / 5 °C (41 °F), 17 rain days55 °F (13 °C) / 41 °F (5 °C), 17 rain daysCrowds: High · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Eureka, side by side.
Verdict
May: Great
Jun: Great
Daytime high
May: 16 °C (61 °F)61 °F (16 °C)
Jun: 17 °C (63 °F)63 °F (17 °C)
Night low
May: 9 °C (48 °F)48 °F (9 °C)
Jun: 10 °C (50 °F)50 °F (10 °C)
Rain days
May: 9
Jun: 6 (better)
Crowds
May: Medium
Jun: High
Prices
May: Medium
Jun: High
Festivals listed
May: 1
Jun: 0
May: Inside Eureka's best window: Jun–Sep (driest, warmest); May and Oct are quieter and often fine.
June: Inside Eureka's best window: Jun–Sep (driest, warmest); May and Oct are quieter and often fine.
Eureka: figures are long-term averages from this guide, not a forecast.