When to go · Mill Creek
Mill Creek, month by month
The best months for Mill Creek: Jun, Jul, Aug, Sep. Months to avoid: Jan, Feb, Mar, Apr, Nov, Dec.
Month by month
- JanuaryAvoidListed as a month to avoid: Nov–Apr (heavy snow, park road closed).7 °C (45 °F) / -2 °C (28 °F), 11 rain days45 °F (7 °C) / 28 °F (-2 °C), 11 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Nov–Apr (heavy snow, park road closed).9 °C (48 °F) / -1 °C (30 °F), 10 rain days48 °F (9 °C) / 30 °F (-1 °C), 10 rain daysCrowds: Low · 1 festival or holiday
- MarchAvoidListed as a month to avoid: Nov–Apr (heavy snow, park road closed).12 °C (54 °F) / 1 °C (34 °F), 11 rain days54 °F (12 °C) / 34 °F (1 °C), 11 rain daysCrowds: Medium · 2 festivals or holidays
- AprilAvoidListed as a month to avoid: Nov–Apr (heavy snow, park road closed).16 °C (61 °F) / 3 °C (37 °F), 9 rain days61 °F (16 °C) / 37 °F (3 °C), 9 rain daysCrowds: Medium · 1 festival or holiday
- MayGoodOutside the best window (Jun–Sep (park open, snow-free roads)). Across United States: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.21 °C (70 °F) / 7 °C (45 °F), 7 rain days70 °F (21 °C) / 45 °F (7 °C), 7 rain daysCrowds: Medium · 1 festival or holiday
- JuneGreatInside Mill Creek's best window: Jun–Sep (park open, snow-free roads).26 °C (79 °F) / 11 °C (52 °F), 4 rain days79 °F (26 °C) / 52 °F (11 °C), 4 rain daysCrowds: High
- JulyGreatInside Mill Creek's best window: Jun–Sep (park open, snow-free roads).31 °C (88 °F) / 14 °C (57 °F), 2 rain days88 °F (31 °C) / 57 °F (14 °C), 2 rain daysCrowds: High · 1 festival or holiday
- AugustGreatInside Mill Creek's best window: Jun–Sep (park open, snow-free roads).30 °C (86 °F) / 13 °C (55 °F), 2 rain days86 °F (30 °C) / 55 °F (13 °C), 2 rain daysCrowds: High
- SeptemberGreatInside Mill Creek's best window: Jun–Sep (park open, snow-free roads).26 °C (79 °F) / 10 °C (50 °F), 4 rain days79 °F (26 °C) / 50 °F (10 °C), 4 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGoodOutside the best window (Jun–Sep (park open, snow-free roads)). Across United States: Best all-round month: New England foliage, desert parks, cooler cities. High roads start closing late in the month.20 °C (68 °F) / 5 °C (41 °F), 7 rain days68 °F (20 °C) / 41 °F (5 °C), 7 rain daysCrowds: Medium
- NovemberAvoidListed as a month to avoid: Nov–Apr (heavy snow, park road closed).12 °C (54 °F) / 1 °C (34 °F), 10 rain days54 °F (12 °C) / 34 °F (1 °C), 10 rain daysCrowds: Medium · 1 festival or holiday
- DecemberAvoidListed as a month to avoid: Nov–Apr (heavy snow, park road closed).7 °C (45 °F) / -2 °C (28 °F), 11 rain days45 °F (7 °C) / 28 °F (-2 °C), 11 rain daysCrowds: High · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Mill Creek, side by side.
Verdict
Jun: Great
Jul: Great
Daytime high
Jun: 26 °C (79 °F)79 °F (26 °C)
Jul: 31 °C (88 °F)88 °F (31 °C)
Night low
Jun: 11 °C (52 °F)52 °F (11 °C)
Jul: 14 °C (57 °F)57 °F (14 °C)
Rain days
Jun: 4
Jul: 2 (better)
Crowds
Jun: High
Jul: High
Prices
Jun: High
Jul: High
Festivals listed
Jun: 0
Jul: 1
June: Inside Mill Creek's best window: Jun–Sep (park open, snow-free roads).
July: Inside Mill Creek's best window: Jun–Sep (park open, snow-free roads).
Mill Creek: figures are long-term averages from this guide, not a forecast.