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Weather & Climate in Douglas, Isle of Man
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Douglas experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 41°F in January while summers reach 59°F in July / relatively mild seasonal variation. The area gets 275 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 33.8 inches. The city sits at an elevation of 102 feet.
Temperature
41°F Jan (5°C)
59°F Jul (15°C)
| Annual Average | 48.9°F |
| 9% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 59°F (15°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 102 ft (31 m) |
| Area | 3.9 sq mi (10.1 km²) |
| Population Density | 6,723/sq mi |
| Coordinates | 54.1500°N, 4.4833°W |
| Timezone | Europe/Isle_of_Man |
Precipitation & Snow
Air Quality
Earthquake History
14 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| May 29, 2013 | 14 km WSW of Nefyn, United Kingdom | M3.8 | 142 km | 10 km |
| Feb 14, 2005 | 2 km SW of Conwy, United Kingdom | M3.8 | 107 km | 5 km |
| Apr 28, 2009 | 3 km WSW of Flookburgh, United Kingdom | M3.7 | 96 km | 9 km |
| Jul 29, 1992 | 8 km WNW of Caernarfon, United Kingdom | M3.5 | 110 km | 10 km |
| Feb 10, 1994 | 2 km NNE of Tregarth, United Kingdom | M3.3 | 108 km | 10 km |
| Sep 1, 1999 | 4 km SSW of Llanfairfechan, United Kingdom | M3.3 | 108 km | 10 km |
| Aug 25, 2013 | 23 km W of Cleveleys, United Kingdom | M3.2 | 76 km | 8 km |
| May 26, 2015 | 6 km WSW of Caernarfon, United Kingdom | M3.0 | 115 km | 9 km |
| Jun 26, 1993 | 5 km WSW of High Bentham, United Kingdom | M3.0 | 123 km | 10 km |
| May 13, 2001 | 3 km W of Locharbriggs, United Kingdom | M2.9 | 119 km | 12 km |
| Jun 26, 2013 | 14 km WSW of Nefyn, United Kingdom | M2.8 | 142 km | 8 km |
| Oct 16, 1998 | 1 km WSW of Y Felinheli, United Kingdom | M2.7 | 109 km | 12 km |
| Apr 24, 2000 | 12 km NNW of Penrith, United Kingdom | M2.6 | 128 km | 14 km |
| May 28, 2008 | 12 km WNW of Penrith, United Kingdom | M2.5 | 116 km | 6 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 3.4 in | |
| February | 41°F (5°C) | 2.4 in | Coldest |
| March | 43°F (6°C) | 2.6 in | |
| April | 46°F (8°C) | 2.2 in | |
| May | 51°F (10°C) | 2.1 in | Driest |
| June | 55°F (13°C) | 2.1 in | |
| July | 59°F (15°C) | 2.1 in | Warmest |
| August | 58°F (15°C) | 2.8 in | |
| September | 55°F (13°C) | 3.0 in | |
| October | 51°F (10°C) | 3.7 in | |
| November | 46°F (8°C) | 3.8 in | Wettest |
| December | 42°F (6°C) | 3.5 in |
Douglas has a seasonal temperature swing of 18°F / from 41°F in February to 59°F in July. Total annual precipitation is 33.8 inches, with November being the wettest month (3.8") and May the driest (2.1").