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Weather & Climate in Wiston, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Wiston experiences four distinct seasons with an average annual temperature of 51°F (10°C). Winters average 44°F in January while summers reach 60°F in July / relatively mild seasonal variation. The area gets 225 sunny days per year, above the national average. Annual precipitation totals 56.3 inches (wetter than the 38-inch national average). The area receives 4.4 inches of snow annually. The city sits at an elevation of 358 feet.
Temperature
44°F Jan (7°C)
60°F Jul (16°C)
| Annual Average | 50.8°F |
| 6% below US avg | |
| January Average | 44°F (7°C) |
| July Average | 60°F (16°C) |
| Sunny Days | 225 days/yr |
Geography
| Elevation | 358 ft (109 m) |
| Area | 1,188.2 sq mi (3,077.4 km²) |
| Population Density | 1/sq mi |
| Coordinates | 51.8258°N, 4.8700°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
24 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 | 140 km | 18 km |
| Oct 25, 1999 | 10 km N of Hirwaun, United Kingdom | M4.5 | 91 km | 10 km |
| Feb 17, 2018 | 5 km NE of Clydach, United Kingdom | M4.3 | 71 km | 12 km |
| Feb 20, 2014 | 17 km NNW of Ilfracombe, United Kingdom | M4.1 | 71 km | 3 km |
| May 31, 2001 | 20 km NNW of Flexbury, United Kingdom | M4.0 | 93 km | 29 km |
| May 29, 2013 | 14 km WSW of Nefyn, United Kingdom | M3.8 | 118 km | 10 km |
| Jan 1, 1994 | Wales-England region, United Kingdom | M3.6 | 117 km | 10 km |
| Mar 17, 1994 | 5 km WNW of Newtown, United Kingdom | M3.5 | 129 km | 10 km |
| Oct 10, 2001 | 2 km SSE of Caerphilly, United Kingdom | M3.5 | 119 km | 10 km |
| Feb 12, 2002 | 1 km SSE of Deri, United Kingdom | M3.5 | 112 km | 8 km |
| Feb 24, 2023 | 1 km ENE of Brynmawr, United Kingdom | M3.4 | 118 km | 10 km |
| Jun 20, 2002 | 3 km N of Marshfield, United Kingdom | M3.4 | 127 km | 14 km |
| Sep 23, 1992 | 1 km NNE of Tiverton, United Kingdom | M3.3 | 140 km | 10 km |
| Jun 16, 1991 | 11 km WSW of Knighton, United Kingdom | M3.3 | 126 km | 10 km |
| Jul 30, 1999 | 2 km ENE of Bargoed, United Kingdom | M3.3 | 116 km | 6 km |
| May 26, 2015 | 6 km WSW of Caernarfon, United Kingdom | M3.0 | 148 km | 9 km |
| Jan 28, 2002 | 1 km S of Abercarn, United Kingdom | M3.0 | 121 km | 10 km |
| Feb 11, 1998 | 4 km SE of Newport, United Kingdom | M2.9 | 136 km | 10 km |
| Aug 17, 1992 | 1 km E of Machen, United Kingdom | M2.9 | 123 km | 10 km |
| Jun 26, 2013 | 14 km WSW of Nefyn, United Kingdom | M2.8 | 118 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 3.9 in | |
| February | 42°F (6°C) | 2.9 in | Coldest |
| March | 45°F (7°C) | 3.0 in | |
| April | 47°F (8°C) | 2.4 in | |
| May | 52°F (11°C) | 2.2 in | Driest |
| June | 57°F (14°C) | 2.6 in | |
| July | 60°F (16°C) | 2.3 in | |
| August | 61°F (16°C) | 3.3 in | Warmest |
| September | 57°F (14°C) | 3.3 in | |
| October | 53°F (12°C) | 4.3 in | |
| November | 48°F (9°C) | 4.5 in | Wettest |
| December | 45°F (7°C) | 4.1 in |
Wiston has a seasonal temperature swing of 18°F / from 42°F in February to 61°F in August. Total annual precipitation is 38.8 inches, with November being the wettest month (4.5") and May the driest (2.2").