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Weather & Climate in Forth, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Forth experiences four distinct seasons with an average annual temperature of 49°F (10°C). Winters average 40°F in January while summers reach 59°F in July / relatively mild seasonal variation. The area gets 204 sunny days per year. Annual precipitation totals 47.0 inches (wetter than the 38-inch national average). The area receives 6.2 inches of snow annually. The city sits at an elevation of 922 feet.
Temperature
40°F Jan (5°C)
59°F Jul (15°C)
| Annual Average | 49.4°F |
| 9% below US avg | |
| January Average | 40°F (5°C) |
| July Average | 59°F (15°C) |
| Sunny Days | 204 days/yr |
Geography
| Elevation | 922 ft (281 m) |
| Area | 182.1 sq mi (471.6 km²) |
| Population Density | 12/sq mi |
| Coordinates | 55.7650°N, 3.6887°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
10 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.0.
| Jun 20, 2003 | 12 km NNW of Balfron, United Kingdom | M3.0 | 64 km | 5 km |
| May 13, 2001 | 3 km W of Locharbriggs, United Kingdom | M2.9 | 74 km | 12 km |
| Jun 20, 2003 | 14 km NNW of Balfron, United Kingdom | M2.8 | 66 km | 5 km |
| Mar 7, 1998 | 13 km E of Oban, United Kingdom | M2.7 | 121 km | 9 km |
| Nov 30, 1997 | 4 km NNE of Kippen, United Kingdom | M2.7 | 52 km | 10 km |
| Nov 1, 2017 | 2 km NNW of Tarbert, United Kingdom | M2.6 | 110 km | 7 km |
| Apr 24, 2000 | 12 km NNW of Penrith, United Kingdom | M2.6 | 124 km | 14 km |
| Jun 20, 2003 | 12 km NNW of Balfron, United Kingdom | M2.5 | 64 km | 4 km |
| Jan 9, 1990 | 29 km W of Aberfeldy, United Kingdom | M2.5 | 106 km | 10 km |
| May 28, 2008 | 12 km WNW of Penrith, United Kingdom | M2.5 | 128 km | 6 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (5°C) | 6.3 in | Wettest |
| February | 37°F (3°C) | 4.5 in | Coldest |
| March | 40°F (4°C) | 4.8 in | |
| April | 44°F (6°C) | 2.8 in | Driest |
| May | 49°F (10°C) | 2.9 in | |
| June | 54°F (12°C) | 2.9 in | |
| July | 59°F (15°C) | 3.1 in | Warmest |
| August | 57°F (14°C) | 3.9 in | |
| September | 52°F (11°C) | 5.2 in | |
| October | 47°F (8°C) | 6.0 in | |
| November | 41°F (5°C) | 5.9 in | |
| December | 38°F (3°C) | 6.1 in |
Forth has a seasonal temperature swing of 22°F / from 37°F in February to 59°F in July. Total annual precipitation is 54.4 inches, with January being the wettest month (6.3") and April the driest (2.8").