When to go · Dewey
Dewey, month by month
The best months for Dewey: Mar, Apr, May, Sep, Oct, Nov. Months to avoid: Jan, Feb, Jul, Aug, Dec.
Month by month
- JanuaryAvoidListed as a month to avoid: Jul–Aug (heat), Dec–Feb (cold, some closures).9 °C (48 °F) / -3 °C (27 °F), 5 rain days48 °F (9 °C) / 27 °F (-3 °C), 5 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Jul–Aug (heat), Dec–Feb (cold, some closures).12 °C (54 °F) / -1 °C (30 °F), 6 rain days54 °F (12 °C) / 30 °F (-1 °C), 6 rain daysCrowds: Low · 1 festival or holiday
- MarchGreatInside Dewey's best window: Mar–May, Sep–Nov.17 °C (63 °F) / 4 °C (39 °F), 8 rain days63 °F (17 °C) / 39 °F (4 °C), 8 rain daysCrowds: Medium · 2 festivals or holidays
- AprilGreatInside Dewey's best window: Mar–May, Sep–Nov.22 °C (72 °F) / 9 °C (48 °F), 8 rain days72 °F (22 °C) / 48 °F (9 °C), 8 rain daysCrowds: Medium · 1 festival or holiday
- MayGreatInside Dewey's best window: Mar–May, Sep–Nov.27 °C (81 °F) / 14 °C (57 °F), 10 rain days81 °F (27 °C) / 57 °F (14 °C), 10 rain daysCrowds: Medium · 1 festival or holiday
- JuneGoodOutside the best window (Mar–May, Sep–Nov). Across United States: Rockies and northern parks open; desert heat builds; hurricane season starts. Book parks months ahead.32 °C (90 °F) / 19 °C (66 °F), 9 rain days90 °F (32 °C) / 66 °F (19 °C), 9 rain daysCrowds: High
- JulyAvoidListed as a month to avoid: Jul–Aug (heat), Dec–Feb (cold, some closures).35 °C (95 °F) / 22 °C (72 °F), 7 rain days95 °F (35 °C) / 72 °F (22 °C), 7 rain daysCrowds: High · 1 festival or holiday
- AugustAvoidListed as a month to avoid: Jul–Aug (heat), Dec–Feb (cold, some closures).34 °C (93 °F) / 21 °C (70 °F), 7 rain days93 °F (34 °C) / 70 °F (21 °C), 7 rain daysCrowds: High
- SeptemberGreatInside Dewey's best window: Mar–May, Sep–Nov.30 °C (86 °F) / 17 °C (63 °F), 7 rain days86 °F (30 °C) / 63 °F (17 °C), 7 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGreatInside Dewey's best window: Mar–May, Sep–Nov.24 °C (75 °F) / 11 °C (52 °F), 7 rain days75 °F (24 °C) / 52 °F (11 °C), 7 rain daysCrowds: Medium
- NovemberGreatInside Dewey's best window: Mar–May, Sep–Nov.17 °C (63 °F) / 4 °C (39 °F), 6 rain days63 °F (17 °C) / 39 °F (4 °C), 6 rain daysCrowds: Medium · 1 festival or holiday
- DecemberAvoidListed as a month to avoid: Jul–Aug (heat), Dec–Feb (cold, some closures).10 °C (50 °F) / -2 °C (28 °F), 5 rain days50 °F (10 °C) / 28 °F (-2 °C), 5 rain daysCrowds: High · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Dewey, side by side.
Verdict
Mar: Great
Apr: Great
Daytime high
Mar: 17 °C (63 °F)63 °F (17 °C)
Apr: 22 °C (72 °F)72 °F (22 °C)
Night low
Mar: 4 °C (39 °F)39 °F (4 °C)
Apr: 9 °C (48 °F)48 °F (9 °C)
Rain days
Mar: 8
Apr: 8
Crowds
Mar: Medium
Apr: Medium
Prices
Mar: Medium
Apr: Medium
Festivals listed
Mar: 2
Apr: 1
March: Inside Dewey's best window: Mar–May, Sep–Nov.
April: Inside Dewey's best window: Mar–May, Sep–Nov.
Dewey: figures are long-term averages from this guide, not a forecast.