Douglas, Isle of Man Climate by Month
Douglas, Isle of Man
Cool summers and cool winters, with rain spread through the year.
Cool summers and cool winters, with rain spread through the year: that's Douglas's climate in short. July is the warmest month, with highs around 66°F (19°C); January is the coolest at 46°F (8°C), and nights dip to 37°F (3°C). It gets 35 in (901 mm) of rain a year, spread across the months. The air is humid, averaging 82% relative humidity.
- Warmest month
- 66°F(19°C)
- Average high, July
- Coldest nights
- 37°F(3°C)
- Average low, February
- Rain per year
- 35 in(901 mm)
- No clear rainy season
- Humidity
- 82%
- Sunniest: June
Best and worst months in Douglas
Best for weatherJune to August are the best time for weather in Douglas: highs near 65°F (18°C) and about 2.6 in (67 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 46°F (8°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Douglas weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 46°F(8°C) | 38°F(3°C) | 3.1 in(80 mm) | 89% | 0.6 |
| FebFebruary | 46°F(8°C) | 37°F(3°C) | 2.6 in(66 mm) | 77% | 1.2 |
| MarMarch | 49°F(10°C) | 39°F(4°C) | 2.4 in(61 mm) | 82% | 2.3 |
| AprApril | 53°F(12°C) | 41°F(5°C) | 2.3 in(58 mm) | 82% | 3.6 |
| MayMay | 59°F(15°C) | 45°F(7°C) | 2.2 in(56 mm) | 76% | 4.7 |
| JunJuneBest | 63°F(17°C) | 50°F(10°C) | 2.4 in(60 mm) | 78% | 5.0 |
| JulJulyBest | 66°F(19°C) | 53°F(12°C) | 2.5 in(63 mm) | 81% | 4.7 |
| AugAugustBest | 65°F(19°C) | 53°F(12°C) | 3.1 in(78 mm) | 82% | 3.9 |
| SepSeptember | 62°F(17°C) | 50°F(10°C) | 3.0 in(75 mm) | 85% | 2.7 |
| OctOctober | 56°F(14°C) | 46°F(8°C) | 4.0 in(102 mm) | 85% | 1.5 |
| NovNovember | 51°F(10°C) | 42°F(6°C) | 4.2 in(107 mm) | 84% | 0.7 |
| DecDecember | 47°F(8°C) | 39°F(4°C) | 3.7 in(95 mm) | 86% | 0.4 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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