When to go · Castlerock
Castlerock, month by month
The best months for Castlerock: May, Jun, Jul, Aug, Sep. Months to avoid: Jan, Feb, Nov, Dec.
Month by month
- JanuaryAvoidListed as a month to avoid: Nov–Feb (short days, wind and rain).8 °C (46 °F) / 3 °C (37 °F), 18 rain days46 °F (8 °C) / 37 °F (3 °C), 18 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Nov–Feb (short days, wind and rain).8 °C (46 °F) / 3 °C (37 °F), 15 rain days46 °F (8 °C) / 37 °F (3 °C), 15 rain daysCrowds: Low
- MarchGoodOutside the best window (May–Sep). Across United Kingdom: Days lengthen quickly; daffodils and lambs. Easter may fall at the end of the month.10 °C (50 °F) / 4 °C (39 °F), 16 rain days50 °F (10 °C) / 39 °F (4 °C), 16 rain daysCrowds: Medium · 1 festival or holiday
- AprilGoodOutside the best window (May–Sep). Across United Kingdom: Spring gardens and parks; Easter holidays fill London sights and trains.12 °C (54 °F) / 5 °C (41 °F), 13 rain days54 °F (12 °C) / 41 °F (5 °C), 13 rain daysCrowds: Medium
- MayGreatInside Castlerock's best window: May–Sep.15 °C (59 °F) / 7 °C (45 °F), 13 rain days59 °F (15 °C) / 45 °F (7 °C), 13 rain daysCrowds: Medium
- JuneGreatInside Castlerock's best window: May–Sep.17 °C (63 °F) / 10 °C (50 °F), 13 rain days63 °F (17 °C) / 50 °F (10 °C), 13 rain daysCrowds: High
- JulyGreatInside Castlerock's best window: May–Sep.18 °C (64 °F) / 12 °C (54 °F), 15 rain days64 °F (18 °C) / 54 °F (12 °C), 15 rain daysCrowds: High · 1 festival or holiday
- AugustGreatInside Castlerock's best window: May–Sep.18 °C (64 °F) / 12 °C (54 °F), 16 rain days64 °F (18 °C) / 54 °F (12 °C), 16 rain daysCrowds: High · 1 festival or holiday
- SeptemberGreatInside Castlerock's best window: May–Sep.16 °C (61 °F) / 10 °C (50 °F), 15 rain days61 °F (16 °C) / 50 °F (10 °C), 15 rain daysCrowds: Medium
- OctoberGoodOutside the best window (May–Sep). Across United Kingdom: Autumn colour, fewer crowds; clocks go back in the last week and evenings darken.13 °C (55 °F) / 8 °C (46 °F), 17 rain days55 °F (13 °C) / 46 °F (8 °C), 17 rain daysCrowds: Medium
- NovemberAvoidListed as a month to avoid: Nov–Feb (short days, wind and rain).10 °C (50 °F) / 5 °C (41 °F), 17 rain days50 °F (10 °C) / 41 °F (5 °C), 17 rain daysCrowds: Low
- DecemberAvoidListed as a month to avoid: Nov–Feb (short days, wind and rain).8 °C (46 °F) / 3 °C (37 °F), 18 rain days46 °F (8 °C) / 37 °F (3 °C), 18 rain daysCrowds: Medium · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Castlerock, side by side.
Verdict
May: Great
Jun: Great
Daytime high
May: 15 °C (59 °F)59 °F (15 °C)
Jun: 17 °C (63 °F)63 °F (17 °C)
Night low
May: 7 °C (45 °F)45 °F (7 °C)
Jun: 10 °C (50 °F)50 °F (10 °C)
Rain days
May: 13
Jun: 13
Crowds
May: Medium
Jun: High
Prices
May: Medium
Jun: High
Festivals listed
May: 0
Jun: 0
May: Inside Castlerock's best window: May–Sep.
June: Inside Castlerock's best window: May–Sep.
Castlerock: figures are long-term averages from this guide, not a forecast.