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Best Time for the Cabot Trail
Sweet spot: July, February, March — computed from NASA POWER climate normals across the route's overnight towns, balancing temperature, rainfall and daylight.
The Celtic Colours festival meets peak foliage — the island's best and busiest week; book ceilidhs and inns early.
Whale season off Pleasant Bay — pilot whales close to shore; zodiac tours run several times a day.
| Month | Temp | Rain | Daylight | |
|---|---|---|---|---|
| January | -19.6–11.4°C | 99 mm | 8.8 h | ❄💨 |
| February | -23.3–9.1°C | 88 mm | 10.0 h | ❄💨 |
| March | -20.6–13.7°C | 82 mm | 11.6 h | ❄💨 |
| April | -11.3–16.2°C | 91 mm | 13.3 h | ❄💨 |
| May | -2.8–20.9°C | 83 mm | 14.8 h | ❄ |
| June | 1.4–24.8°C | 101 mm | 15.6 h | ❄ |
| July | 8.5–26.9°C | 79 mm | 15.3 h | |
| August | 10.4–29.3°C | 91 mm | 14.0 h | |
| September | 5.4–26.8°C | 94 mm | 12.3 h | 💨 |
| October | -0.2–22.6°C | 114 mm | 10.6 h | ❄💨 |
| November | -9.1–17.4°C | 113 mm | 9.1 h | ❄💨 |
| December | -14.6–13.4°C | 125 mm | 8.4 h | ❄💨 |