When to go · Shamrock
Shamrock, month by month
The best months for Shamrock: Mar, Apr, May, Sep, Oct. Months to avoid: Jul, Aug.
Month by month
- JanuaryMixedOutside the best window (Mar–May, Sep–Oct). Across United States: Cold and snowy north and in the mountains; Florida, Hawaii and the desert Southwest are the picks.12 °C (54 °F) / -2 °C (28 °F), 6 rain days54 °F (12 °C) / 28 °F (-2 °C), 6 rain daysCrowds: Low
- FebruaryMixedOutside the best window (Mar–May, Sep–Oct). Across United States: Still winter north; ski season in the Rockies; Presidents' Day weekend busy. Mardi Gras in New Orleans (date varies).15 °C (59 °F) / 0 °C (32 °F), 5 rain days59 °F (15 °C) / 32 °F (0 °C), 5 rain daysCrowds: Low · 1 festival or holiday
- MarchGreatInside Shamrock's best window: Mar–May, Sep–Oct.20 °C (68 °F) / 5 °C (41 °F), 5 rain days68 °F (20 °C) / 41 °F (5 °C), 5 rain daysCrowds: Medium · 2 festivals or holidays
- AprilGreatInside Shamrock's best window: Mar–May, Sep–Oct.25 °C (77 °F) / 10 °C (50 °F), 5 rain days77 °F (25 °C) / 50 °F (10 °C), 5 rain daysCrowds: Medium · 1 festival or holiday
- MayGreatInside Shamrock's best window: Mar–May, Sep–Oct.30 °C (86 °F) / 15 °C (59 °F), 4 rain days86 °F (30 °C) / 59 °F (15 °C), 4 rain daysCrowds: Medium · 1 festival or holiday
- JuneGoodOutside the best window (Mar–May, Sep–Oct). Across United States: Rockies and northern parks open; desert heat builds; hurricane season starts. Book parks months ahead.34 °C (93 °F) / 20 °C (68 °F), 3 rain days93 °F (34 °C) / 68 °F (20 °C), 3 rain daysCrowds: High
- JulyAvoidListed as a month to avoid: Jul–Aug (heat).36 °C (97 °F) / 22 °C (72 °F), 3 rain days97 °F (36 °C) / 72 °F (22 °C), 3 rain daysCrowds: High · 1 festival or holiday
- AugustAvoidListed as a month to avoid: Jul–Aug (heat).35 °C (95 °F) / 22 °C (72 °F), 3 rain days95 °F (35 °C) / 72 °F (22 °C), 3 rain daysCrowds: High
- SeptemberGreatInside Shamrock's best window: Mar–May, Sep–Oct.31 °C (88 °F) / 18 °C (64 °F), 4 rain days88 °F (31 °C) / 64 °F (18 °C), 4 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGreatInside Shamrock's best window: Mar–May, Sep–Oct.25 °C (77 °F) / 12 °C (54 °F), 5 rain days77 °F (25 °C) / 54 °F (12 °C), 5 rain daysCrowds: Medium
- NovemberMixedOutside the best window (Mar–May, Sep–Oct). Across United States: Quiet between holidays; Thanksgiving week is the busiest travel period of the year.18 °C (64 °F) / 5 °C (41 °F), 6 rain days64 °F (18 °C) / 41 °F (5 °C), 6 rain daysCrowds: Medium · 1 festival or holiday
- DecemberMixedOutside the best window (Mar–May, Sep–Oct). Across United States: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.13 °C (55 °F) / -1 °C (30 °F), 7 rain days55 °F (13 °C) / 30 °F (-1 °C), 7 rain daysCrowds: High · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Shamrock, side by side.
Verdict
Mar: Great
Apr: Great
Daytime high
Mar: 20 °C (68 °F)68 °F (20 °C)
Apr: 25 °C (77 °F)77 °F (25 °C)
Night low
Mar: 5 °C (41 °F)41 °F (5 °C)
Apr: 10 °C (50 °F)50 °F (10 °C)
Rain days
Mar: 5
Apr: 5
Crowds
Mar: Medium
Apr: Medium
Prices
Mar: Medium
Apr: Medium
Festivals listed
Mar: 2
Apr: 1
March: Inside Shamrock's best window: Mar–May, Sep–Oct.
April: Inside Shamrock's best window: Mar–May, Sep–Oct.
Shamrock: figures are long-term averages from this guide, not a forecast.