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Weather & Climate in Isle of Islay, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Isle of Islay experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 42°F in January while summers reach 58°F in July / relatively mild seasonal variation. The area gets 229 sunny days per year, above the national average. Annual precipitation totals 58.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 66 feet.
Temperature
42°F Jan (5°C)
58°F Jul (14°C)
| Annual Average | 49.0°F |
| 9% below US avg | |
| January Average | 42°F (5°C) |
| July Average | 58°F (14°C) |
| Sunny Days | 229 days/yr |
Geography
| Elevation | 66 ft (20 m) |
| Area | 1,043.6 sq mi (2,702.8 km²) |
| Population Density | 3/sq mi |
| Coordinates | 55.7853°N, 6.2389°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
12 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Aug 4, 2017 | 31 km NE of Tobermory, United Kingdom | M3.8 | 121 km | 7 km |
| May 3, 1998 | Scotland, United Kingdom | M3.5 | 33 km | 15 km |
| Jan 23, 2011 | 28 km NE of Tobermory, United Kingdom | M3.5 | 119 km | 16 km |
| Jan 26, 1990 | 34 km N of Isle of Islay, United Kingdom | M3.0 | 34 km | 10 km |
| Jun 20, 2003 | 12 km NNW of Balfron, United Kingdom | M3.0 | 121 km | 5 km |
| May 18, 2013 | 27 km NE of Tobermory, United Kingdom | M2.9 | 115 km | 10 km |
| Jun 20, 2003 | 14 km NNW of Balfron, United Kingdom | M2.8 | 120 km | 5 km |
| Aug 27, 1992 | 33 km NNE of Isle of Islay, United Kingdom | M2.7 | 33 km | 10 km |
| Mar 7, 1998 | 13 km E of Oban, United Kingdom | M2.7 | 92 km | 9 km |
| Nov 30, 1997 | 4 km NNE of Kippen, United Kingdom | M2.7 | 138 km | 10 km |
| Nov 1, 2017 | 2 km NNW of Tarbert, United Kingdom | M2.6 | 52 km | 7 km |
| Jun 20, 2003 | 12 km NNW of Balfron, United Kingdom | M2.5 | 121 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 720 | HEBRIDES (SCOTLAND) | Questionable Earthquake | — | — | 62 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 7.1 in | Wettest |
| February | 42°F (5°C) | 4.2 in | Coldest |
| March | 43°F (6°C) | 5.4 in | |
| April | 46°F (8°C) | 3.4 in | |
| May | 51°F (11°C) | 2.6 in | Driest |
| June | 55°F (13°C) | 3.1 in | |
| July | 58°F (14°C) | 3.9 in | Warmest |
| August | 58°F (14°C) | 4.6 in | |
| September | 55°F (13°C) | 5.6 in | |
| October | 51°F (10°C) | 6.5 in | |
| November | 46°F (8°C) | 6.4 in | |
| December | 43°F (6°C) | 6.2 in |
Isle of Islay has a seasonal temperature swing of 16°F / from 42°F in February to 58°F in July. Total annual precipitation is 58.9 inches, with January being the wettest month (7.1") and May the driest (2.6").