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Weather & Climate in Henfynyw Upper, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Henfynyw Upper experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 41°F in January while summers reach 59°F in July / relatively mild seasonal variation. The area gets 248 sunny days per year, above the national average. Annual precipitation totals 48.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 404 feet.
Temperature
41°F Jan (5°C)
59°F Jul (15°C)
| Annual Average | 49.0°F |
| 9% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 59°F (15°C) |
| Sunny Days | 248 days/yr |
Geography
| Elevation | 404 ft (123 m) |
| Area | 0.6 sq mi (1.6 km²) |
| Population Density | 839/sq mi |
| Coordinates | 52.2243°N, 4.2717°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
34 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Sep 22, 2002 | 2 km ESE of Wombourn, United Kingdom | M4.8 | 148 km | 9 km |
| Apr 2, 1990 | 4 km NNE of Presteigne, United Kingdom | M4.7 | 88 km | 18 km |
| Oct 25, 1999 | 10 km N of Hirwaun, United Kingdom | M4.5 | 66 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 | 96 km | 3 km |
| May 31, 2001 | 20 km NNW of Flexbury, United Kingdom | M4.0 | 140 km | 29 km |
| May 29, 2013 | 14 km WSW of Nefyn, United Kingdom | M3.8 | 79 km | 10 km |
| Feb 14, 2005 | 2 km SW of Conwy, United Kingdom | M3.8 | 119 km | 5 km |
| Mar 7, 1996 | 3 km SW of Clive, United Kingdom | M3.8 | 120 km | 10 km |
| May 30, 2022 | 2 km ESE of Prees, United Kingdom | M3.6 | 133 km | 10 km |
| Jan 1, 1994 | Wales-England region, United Kingdom | M3.6 | 119 km | 10 km |
| Jul 29, 1992 | 8 km WNW of Caernarfon, United Kingdom | M3.5 | 104 km | 10 km |
| Mar 17, 1994 | 5 km WNW of Newtown, United Kingdom | M3.5 | 71 km | 10 km |
| Feb 12, 2002 | 1 km SSE of Deri, United Kingdom | M3.5 | 91 km | 8 km |
| Oct 10, 2001 | 2 km SSE of Caerphilly, United Kingdom | M3.5 | 105 km | 10 km |
| Jun 20, 2002 | 3 km N of Marshfield, United Kingdom | M3.4 | 110 km | 14 km |
| Feb 24, 2023 | 1 km ENE of Brynmawr, United Kingdom | M3.4 | 89 km | 10 km |
| Feb 10, 1994 | 2 km NNE of Tregarth, United Kingdom | M3.3 | 111 km | 10 km |
| Sep 1, 1999 | 4 km SSW of Llanfairfechan, United Kingdom | M3.3 | 112 km | 10 km |
| Jul 30, 1999 | 2 km ENE of Bargoed, United Kingdom | M3.3 | 95 km | 6 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 5.0 in | |
| February | 41°F (5°C) | 3.5 in | Coldest |
| March | 43°F (6°C) | 3.9 in | |
| April | 46°F (8°C) | 2.8 in | |
| May | 51°F (10°C) | 2.7 in | Driest |
| June | 55°F (13°C) | 3.2 in | |
| July | 59°F (15°C) | 3.2 in | |
| August | 59°F (15°C) | 3.9 in | Warmest |
| September | 56°F (13°C) | 4.1 in | |
| October | 51°F (11°C) | 5.1 in | |
| November | 46°F (8°C) | 5.6 in | Wettest |
| December | 43°F (6°C) | 5.4 in |
Henfynyw Upper has a seasonal temperature swing of 19°F / from 41°F in February to 59°F in August. Total annual precipitation is 48.3 inches, with November being the wettest month (5.6") and May the driest (2.7").