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Weather & Climate in Jeffreyston, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Jeffreyston experiences four distinct seasons with an average annual temperature of 51°F (10°C). Winters average 48°F in January while summers reach 60°F in July / relatively mild seasonal variation. The area gets 228 sunny days per year, above the national average. Annual precipitation totals 53.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 233 feet.
Temperature
48°F Jan (9°C)
60°F Jul (16°C)
| Annual Average | 50.7°F |
| 6% below US avg | |
| January Average | 48°F (9°C) |
| July Average | 60°F (16°C) |
| Sunny Days | 228 days/yr |
Geography
| Elevation | 233 ft (71 m) |
| Area | 5.5 sq mi (14.2 km²) |
| Population Density | 104/sq mi |
| Coordinates | 51.7250°N, 4.7675°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
28 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.
| Apr 2, 1990 | 4 km NNE of Presteigne, United Kingdom | M4.7 | 138 km | 18 km |
| Oct 25, 1999 | 10 km N of Hirwaun, United Kingdom | M4.5 | 85 km | 10 km |
| Feb 17, 2018 | 5 km NE of Clydach, United Kingdom | M4.3 | 63 km | 12 km |
| Feb 20, 2014 | 17 km NNW of Ilfracombe, United Kingdom | M4.1 | 58 km | 3 km |
| May 31, 2001 | 20 km NNW of Flexbury, United Kingdom | M4.0 | 81 km | 29 km |
| May 29, 2013 | 14 km WSW of Nefyn, United Kingdom | M3.8 | 129 km | 10 km |
| Jan 29, 2004 | 2 km E of North Petherton, United Kingdom | M3.7 | 143 km | 7 km |
| Jan 29, 2004 | 2 km E of North Petherton, United Kingdom | M3.6 | 143 km | 7 km |
| Jan 1, 1994 | Wales-England region, United Kingdom | M3.6 | 105 km | 10 km |
| Mar 17, 1994 | 5 km WNW of Newtown, United Kingdom | M3.5 | 131 km | 10 km |
| Oct 10, 2001 | 2 km SSE of Caerphilly, United Kingdom | M3.5 | 110 km | 10 km |
| Feb 12, 2002 | 1 km SSE of Deri, United Kingdom | M3.5 | 104 km | 8 km |
| Feb 24, 2023 | 1 km ENE of Brynmawr, United Kingdom | M3.4 | 111 km | 10 km |
| Jun 20, 2002 | 3 km N of Marshfield, United Kingdom | M3.4 | 118 km | 14 km |
| Jun 16, 1991 | 11 km WSW of Knighton, United Kingdom | M3.3 | 125 km | 10 km |
| Sep 23, 1992 | 1 km NNE of Tiverton, United Kingdom | M3.3 | 127 km | 10 km |
| Jul 30, 1999 | 2 km ENE of Bargoed, United Kingdom | M3.3 | 108 km | 6 km |
| Jan 29, 2004 | 2 km E of North Petherton, United Kingdom | M3.3 | 143 km | 7 km |
| Sep 17, 1993 | 3 km S of Leominster, United Kingdom | M3.2 | 148 km | 10 km |
| Jan 28, 2002 | 1 km S of Abercarn, United Kingdom | M3.0 | 113 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 48°F (9°C) | 4.1 in | |
| February | 42°F (6°C) | 3.0 in | Coldest |
| March | 44°F (7°C) | 3.2 in | |
| April | 47°F (8°C) | 2.5 in | |
| May | 52°F (11°C) | 2.4 in | Driest |
| June | 56°F (14°C) | 2.7 in | |
| July | 60°F (16°C) | 2.5 in | |
| August | 61°F (16°C) | 3.4 in | Warmest |
| September | 57°F (14°C) | 3.4 in | |
| October | 53°F (12°C) | 4.4 in | |
| November | 48°F (9°C) | 4.7 in | Wettest |
| December | 45°F (7°C) | 4.3 in |
Jeffreyston has a seasonal temperature swing of 19°F / from 42°F in February to 61°F in August. Total annual precipitation is 40.6 inches, with November being the wettest month (4.7") and May the driest (2.4").