Monthly climate guide
Douglas weather in May
With highs near 12°C (53°F) and lows around 10°C (49°F), May feels cool in Douglas. Rainfall averages about 60 mm (some rain) and the sky is often cloudy. Daytime highs are 2°C warmer than April and 2°C cooler than June.
What stands out in May
- Days and nights are close, only about 2°C apart.
- It's one of the drier months, with about 41% less rain than Douglas's average.
- Seasonally, May counts as late spring in Douglas.
- It's one of the sunniest months here, with cloud cover around 71%.
Avg high
12°C
53°F
Avg low
10°C
49°F
Rainfall
60 mm
some rain
Humidity
85%
relative
Sky
71%
cloud · often cloudy
Douglas weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 8°C / 47°F | 7°C / 44°F | 114 mm | 84% | 83% |
| February | 8°C / 46°F | 6°C / 43°F | 109 mm | 85% | 82% |
| March | 8°C / 46°F | 6°C / 43°F | 91 mm | 86% | 79% |
| April | 9°C / 49°F | 7°C / 45°F | 60 mm | 85% | 73% |
| May | 12°C / 53°F | 10°C / 49°F | 60 mm | 85% | 71% |
| June | 14°C / 57°F | 12°C / 54°F | 83 mm | 86% | 74% |
| July | 16°C / 60°F | 14°C / 57°F | 82 mm | 87% | 74% |
| August | 16°C / 61°F | 15°C / 58°F | 107 mm | 86% | 77% |
| September | 15°C / 60°F | 14°C / 56°F | 100 mm | 84% | 76% |
| October | 14°C / 56°F | 12°C / 53°F | 126 mm | 83% | 80% |
| November | 11°C / 52°F | 9°C / 49°F | 129 mm | 83% | 80% |
| December | 10°C / 50°F | 8°C / 46°F | 154 mm | 84% | 83% |
What to pack for May
- A warm sweater or fleece for layering
- A mid-weight jacket
- A small travel umbrella, just in case
Is May a good time to visit Douglas?
Compare the months in the chart above to find your ideal window.
Best time to visit Douglas →Cite or embed this data
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Douglas weather in May. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/isle-of-man/douglas/may
<a href="https://weathercompare.eu/weather/isle-of-man/douglas/may">Douglas weather in May</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/isle-of-man/douglas" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Douglas weather in May"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/isle-of-man/douglas/may">Douglas weather in May</a> – WeatherCompare</p>
Douglas in May: quick answers
Is May a good time to visit Douglas?
May is cool in Douglas, with highs around 12°C. Better for museums and city walks than the beach, and usually quieter.
How warm is Douglas in May?
Average highs are about 12°C (53°F) and average lows about 10°C (49°F), based on 10 years of daily data.
Does it rain a lot in Douglas in May?
Douglas typically gets around 60 mm of rain in May — some rain.
Figures are long-term averages for the area around Douglas (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.