When to go · New Castle
New Castle, month by month
The best months for New Castle: Apr, May, Jun, Sep, Oct. Months to avoid: Jan, Feb, Jul, Aug.
Month by month
- JanuaryAvoidListed as a month to avoid: Jul–Aug (heat and humidity), Jan–Feb (cold, some houses closed or limited).5 °C (41 °F) / -4 °C (25 °F), 9 rain days41 °F (5 °C) / 25 °F (-4 °C), 9 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Jul–Aug (heat and humidity), Jan–Feb (cold, some houses closed or limited).7 °C (45 °F) / -3 °C (27 °F), 8 rain days45 °F (7 °C) / 27 °F (-3 °C), 8 rain daysCrowds: Low · 1 festival or holiday
- MarchGoodOutside the best window (Apr–Jun, Sep–Oct). Across United States: Spring break fills Florida beaches and parks; the desert parks come into season.12 °C (54 °F) / 1 °C (34 °F), 10 rain days54 °F (12 °C) / 34 °F (1 °C), 10 rain daysCrowds: Medium · 2 festivals or holidays
- AprilGreatInside New Castle's best window: Apr–Jun, Sep–Oct.18 °C (64 °F) / 6 °C (43 °F), 10 rain days64 °F (18 °C) / 43 °F (6 °C), 10 rain daysCrowds: Medium · 1 festival or holiday
- MayGreatInside New Castle's best window: Apr–Jun, Sep–Oct.24 °C (75 °F) / 12 °C (54 °F), 10 rain days75 °F (24 °C) / 54 °F (12 °C), 10 rain daysCrowds: Medium · 1 festival or holiday
- JuneGreatInside New Castle's best window: Apr–Jun, Sep–Oct.29 °C (84 °F) / 17 °C (63 °F), 9 rain days84 °F (29 °C) / 63 °F (17 °C), 9 rain daysCrowds: High
- JulyAvoidListed as a month to avoid: Jul–Aug (heat and humidity), Jan–Feb (cold, some houses closed or limited).31 °C (88 °F) / 20 °C (68 °F), 9 rain days88 °F (31 °C) / 68 °F (20 °C), 9 rain daysCrowds: High · 1 festival or holiday
- AugustAvoidListed as a month to avoid: Jul–Aug (heat and humidity), Jan–Feb (cold, some houses closed or limited).30 °C (86 °F) / 19 °C (66 °F), 8 rain days86 °F (30 °C) / 66 °F (19 °C), 8 rain daysCrowds: High
- SeptemberGreatInside New Castle's best window: Apr–Jun, Sep–Oct.26 °C (79 °F) / 15 °C (59 °F), 8 rain days79 °F (26 °C) / 59 °F (15 °C), 8 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGreatInside New Castle's best window: Apr–Jun, Sep–Oct.20 °C (68 °F) / 9 °C (48 °F), 8 rain days68 °F (20 °C) / 48 °F (9 °C), 8 rain daysCrowds: Medium
- NovemberMixedOutside the best window (Apr–Jun, Sep–Oct). Across United States: Quiet between holidays; Thanksgiving week is the busiest travel period of the year.14 °C (57 °F) / 4 °C (39 °F), 8 rain days57 °F (14 °C) / 39 °F (4 °C), 8 rain daysCrowds: Medium · 1 festival or holiday
- DecemberMixedOutside the best window (Apr–Jun, Sep–Oct). Across United States: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.8 °C (46 °F) / -1 °C (30 °F), 9 rain days46 °F (8 °C) / 30 °F (-1 °C), 9 rain daysCrowds: High · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in New Castle, side by side.
Verdict
Apr: Great
May: Great
Daytime high
Apr: 18 °C (64 °F)64 °F (18 °C)
May: 24 °C (75 °F)75 °F (24 °C)
Night low
Apr: 6 °C (43 °F)43 °F (6 °C)
May: 12 °C (54 °F)54 °F (12 °C)
Rain days
Apr: 10
May: 10
Crowds
Apr: Medium
May: Medium
Prices
Apr: Medium
May: Medium
Festivals listed
Apr: 1
May: 1
April: Inside New Castle's best window: Apr–Jun, Sep–Oct.
May: Inside New Castle's best window: Apr–Jun, Sep–Oct.
New Castle: figures are long-term averages from this guide, not a forecast.