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Weather & Climate in Thornhill, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Thornhill experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 38°F in January while summers reach 57°F in July / relatively mild seasonal variation. The area gets 237 sunny days per year, above the national average. Annual precipitation totals 54.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 171 feet.
Temperature
38°F Jan (3°C)
57°F Jul (14°C)
| Annual Average | 46.4°F |
| 14% below US avg | |
| January Average | 38°F (3°C) |
| July Average | 57°F (14°C) |
| Sunny Days | 237 days/yr |
Geography
| Elevation | 171 ft (52 m) |
| Area | 3,449.5 sq mi (8,934.2 km²) |
| Population Density | 1/sq mi |
| Coordinates | 55.2333°N, 3.7667°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
10 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.
| Apr 28, 2009 | 3 km WSW of Flookburgh, United Kingdom | M3.7 | 128 km | 9 km |
| Jun 20, 2003 | 12 km NNW of Balfron, United Kingdom | M3.0 | 112 km | 5 km |
| Jun 26, 1993 | 5 km WSW of High Bentham, United Kingdom | M3.0 | 147 km | 10 km |
| May 13, 2001 | 3 km W of Locharbriggs, United Kingdom | M2.9 | 17 km | 12 km |
| Jun 20, 2003 | 14 km NNW of Balfron, United Kingdom | M2.8 | 114 km | 5 km |
| Nov 30, 1997 | 4 km NNE of Kippen, United Kingdom | M2.7 | 106 km | 10 km |
| Nov 1, 2017 | 2 km NNW of Tarbert, United Kingdom | M2.6 | 127 km | 7 km |
| Apr 24, 2000 | 12 km NNW of Penrith, United Kingdom | M2.6 | 80 km | 14 km |
| Jun 20, 2003 | 12 km NNW of Balfron, United Kingdom | M2.5 | 112 km | 4 km |
| May 28, 2008 | 12 km WNW of Penrith, United Kingdom | M2.5 | 80 km | 6 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 6.2 in | Coldest, Wettest |
| February | 38°F (3°C) | 4.4 in | |
| March | 40°F (5°C) | 4.7 in | |
| April | 44°F (7°C) | 2.8 in | Driest |
| May | 49°F (10°C) | 3.1 in | |
| June | 54°F (12°C) | 2.9 in | |
| July | 57°F (14°C) | 3.2 in | Warmest |
| August | 57°F (14°C) | 4.0 in | |
| September | 52°F (11°C) | 4.9 in | |
| October | 47°F (9°C) | 6.1 in | |
| November | 42°F (5°C) | 6.0 in | |
| December | 39°F (4°C) | 6.1 in |
Thornhill has a seasonal temperature swing of 20°F / from 38°F in January to 57°F in July. Total annual precipitation is 54.5 inches, with January being the wettest month (6.2") and April the driest (2.8").