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Weather & Climate in Greenisland, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Greenisland experiences four distinct seasons with an average annual temperature of 47°F (9°C). Winters average 38°F in January while summers reach 58°F in July. The area gets 263 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 40.1 inches. The city sits at an elevation of 174 feet.
Temperature
38°F Jan (3°C)
58°F Jul (15°C)
| Annual Average | 47.3°F |
| 12% below US avg | |
| January Average | 38°F (3°C) |
| July Average | 58°F (15°C) |
| Sunny Days | 263 days/yr |
Geography
| Elevation | 174 ft (53 m) |
| Area | 538.3 sq mi (1,394.1 km²) |
| Population Density | 9/sq mi |
| Coordinates | 54.7008°N, 5.8748°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M2.9.
| May 13, 2001 | 3 km W of Locharbriggs, United Kingdom | M2.9 | 150 km | 12 km |
| Nov 1, 2017 | 2 km NNW of Tarbert, United Kingdom | M2.6 | 134 km | 7 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 4.2 in | Coldest, Wettest |
| February | 39°F (4°C) | 3.0 in | |
| March | 42°F (5°C) | 3.4 in | |
| April | 45°F (7°C) | 2.6 in | |
| May | 50°F (10°C) | 2.4 in | Driest |
| June | 55°F (13°C) | 2.6 in | |
| July | 58°F (15°C) | 2.9 in | Warmest |
| August | 58°F (14°C) | 3.4 in | |
| September | 54°F (12°C) | 3.7 in | |
| October | 48°F (9°C) | 4.2 in | |
| November | 43°F (6°C) | 4.0 in | |
| December | 39°F (4°C) | 4.0 in |
Greenisland has a seasonal temperature swing of 20°F / from 38°F in January to 58°F in July. Total annual precipitation is 40.1 inches, with January being the wettest month (4.2") and May the driest (2.4").