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Best Time for the Causeway Coast
Sweet spot: March, April, May — computed from NASA POWER climate normals across the route's overnight towns, balancing temperature, rainfall and daylight.
Long light, sea pinks on the cliffs, and the causeway before coach hour if you're there by 09:00.
Atlantic gales make the rope bridge and boat trips weather-dependent — the whiskey tour never cancels.
| Month | Temp | Rain | Daylight | |
|---|---|---|---|---|
| January | -1.7–12.6°C | 109 mm | 7.5 h | ❄💨 |
| February | -2.0–12.6°C | 85 mm | 9.3 h | ❄💨 |
| March | -1.9–15.6°C | 83 mm | 11.5 h | ❄ |
| April | -0.3–17.5°C | 67 mm | 13.8 h | ❄ |
| May | 2.5–20.7°C | 82 mm | 15.9 h | |
| June | 4.9–23.9°C | 93 mm | 17.1 h | |
| July | 7.8–23.9°C | 104 mm | 16.6 h | |
| August | 7.9–23.0°C | 113 mm | 14.8 h | |
| September | 5.5–20.5°C | 91 mm | 12.4 h | |
| October | 2.1–17.6°C | 120 mm | 10.1 h | ❄ |
| November | -0.7–14.8°C | 118 mm | 8.0 h | ❄ |
| December | -2.5–13.3°C | 112 mm | 6.9 h | ❄💨 |