Weather & climate · Douglas
Best Time to Visit Isle of Man
June to September
The best time to visit Isle of Man is June to September, when daytime highs in Douglas are around 14–16°C. August is the warmest month (16°C by day), February the coldest (6°C at night), and November the wettest with about 126 mm of rain.
16°C
Warmest: August
6°C
Coldest nights: February
1123 mm
Rain per year
126 mm
Wettest: November
Isle of Man weather by month
- Jan8°C7°C110 mm
- Feb8°C6°C89 mm
- Mar8°C6°C82 mm
- Apr9°C8°C62 mm
- May12°C10°C65 mm
- Jun14°C12°C74 mm
- Jul16°C14°C79 mm
- Aug16°C15°C97 mm
- Sep15°C14°C90 mm
- Oct14°C12°C123 mm
- Nov11°C9°C126 mm
- Dec9°C8°C126 mm
Best time Good Less ideal
| Month | High | Low | Rain | Humidity | Cloud cover | Verdict |
|---|---|---|---|---|---|---|
| January | 8°C | 7°C | 110 mm | 85% | 81% | Fair |
| February | 8°C | 6°C | 89 mm | 85% | 79% | Cold |
| March | 8°C | 6°C | 82 mm | 85% | 76% | Cold |
| April | 9°C | 8°C | 62 mm | 85% | 72% | Fair |
| May | 12°C | 10°C | 65 mm | 85% | 70% | Fair |
| June | 14°C | 12°C | 74 mm | 87% | 75% | Best time |
| July | 16°C | 14°C | 79 mm | 87% | 77% | Best time |
| August | 16°C | 15°C | 97 mm | 87% | 76% | Best time |
| September | 15°C | 14°C | 90 mm | 85% | 76% | Best time |
| October | 14°C | 12°C | 123 mm | 83% | 79% | Fair |
| November | 11°C | 9°C | 126 mm | 83% | 80% | Fair |
| December | 9°C | 8°C | 126 mm | 84% | 80% | Fair |
Data: NASA POWER (Prediction Of Worldwide Energy Resources) — 25-year climate averages 2001–2025, public domain, for the area around Douglas (54.15, -4.48). Satellite and model averages — local weather stations can differ by 1–2 °C, and mountains or coasts elsewhere in Isle of Man have their own climate.
Frequently asked questions
When is the best time to visit Isle of Man?
June to September. The best time to visit Isle of Man is June to September, when daytime highs in Douglas are around 14–16°C. August is the warmest month (16°C by day), February the coldest (6°C at night), and November the wettest with about 126 mm of rain.
What is the hottest month in Isle of Man?
August, with average highs of 16°C in Douglas.
What is the coldest month in Isle of Man?
February, when nights drop to about 6°C and days reach 8°C.
What is the rainiest month in Isle of Man?
November with about 126 mm; April is the driest (62 mm).
When should I avoid visiting Isle of Man?
December is the least comfortable month on average: 9°C by day and 126 mm of rain.