When to go · Eureka
Eureka, month by month
The best months for Eureka: Jun, Jul, Aug, Sep. Months to avoid: Jan, Feb, Dec.
Month by month
- JanuaryAvoidListed as a month to avoid: Dec–Feb (cold, snow, some services limited).0 °C (32 °F) / -10 °C (14 °F), 12 rain days32 °F (0 °C) / 14 °F (-10 °C), 12 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Dec–Feb (cold, snow, some services limited).3 °C (37 °F) / -8 °C (18 °F), 10 rain days37 °F (3 °C) / 18 °F (-8 °C), 10 rain daysCrowds: Low · 1 festival or holiday
- MarchGoodOutside the best window (Jun–Sep). Across United States: Spring break fills Florida beaches and parks; the desert parks come into season.9 °C (48 °F) / -4 °C (25 °F), 11 rain days48 °F (9 °C) / 25 °F (-4 °C), 11 rain daysCrowds: Medium · 2 festivals or holidays
- AprilGoodOutside the best window (Jun–Sep). Across United States: Good month for the Southwest, Washington cherry blossoms, the South; mountain roads still closed.15 °C (59 °F) / 1 °C (34 °F), 9 rain days59 °F (15 °C) / 34 °F (1 °C), 9 rain daysCrowds: Medium · 1 festival or holiday
- MayGoodOutside the best window (Jun–Sep). Across United States: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.20 °C (68 °F) / 6 °C (43 °F), 11 rain days68 °F (20 °C) / 43 °F (6 °C), 11 rain daysCrowds: Medium · 1 festival or holiday
- JuneGreatInside Eureka's best window: Jun–Sep.24 °C (75 °F) / 10 °C (50 °F), 12 rain days75 °F (24 °C) / 50 °F (10 °C), 12 rain daysCrowds: High
- JulyGreatInside Eureka's best window: Jun–Sep.29 °C (84 °F) / 12 °C (54 °F), 8 rain days84 °F (29 °C) / 54 °F (12 °C), 8 rain daysCrowds: High · 1 festival or holiday
- AugustGreatInside Eureka's best window: Jun–Sep.28 °C (82 °F) / 11 °C (52 °F), 7 rain days82 °F (28 °C) / 52 °F (11 °C), 7 rain daysCrowds: High
- SeptemberGreatInside Eureka's best window: Jun–Sep.22 °C (72 °F) / 6 °C (43 °F), 8 rain days72 °F (22 °C) / 43 °F (6 °C), 8 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGoodOutside the best window (Jun–Sep). Across United States: Best all-round month: New England foliage, desert parks, cooler cities. High roads start closing late in the month.14 °C (57 °F) / 1 °C (34 °F), 10 rain days57 °F (14 °C) / 34 °F (1 °C), 10 rain daysCrowds: Medium
- NovemberMixedOutside the best window (Jun–Sep). Across United States: Quiet between holidays; Thanksgiving week is the busiest travel period of the year.5 °C (41 °F) / -4 °C (25 °F), 12 rain days41 °F (5 °C) / 25 °F (-4 °C), 12 rain daysCrowds: Medium · 1 festival or holiday
- DecemberAvoidListed as a month to avoid: Dec–Feb (cold, snow, some services limited).0 °C (32 °F) / -9 °C (16 °F), 13 rain days32 °F (0 °C) / 16 °F (-9 °C), 13 rain daysCrowds: High · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Eureka, side by side.
Verdict
Jun: Great
Jul: Great
Daytime high
Jun: 24 °C (75 °F)75 °F (24 °C)
Jul: 29 °C (84 °F)84 °F (29 °C)
Night low
Jun: 10 °C (50 °F)50 °F (10 °C)
Jul: 12 °C (54 °F)54 °F (12 °C)
Rain days
Jun: 12
Jul: 8 (better)
Crowds
Jun: High
Jul: High
Prices
Jun: High
Jul: High
Festivals listed
Jun: 0
Jul: 1
June: Inside Eureka's best window: Jun–Sep.
July: Inside Eureka's best window: Jun–Sep.
Eureka: figures are long-term averages from this guide, not a forecast.