Cwmystwyth

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Village in Ceredigion, Wales

title: "Cwmystwyth" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["villages-in-ceredigion", "geographical-centres"] description: "Village in Ceredigion, Wales" topic_path: "general/villages-in-ceredigion" source: "https://en.wikipedia.org/wiki/Cwmystwyth" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Village in Ceredigion, Wales ::

::data[format=table title="Infobox UK place"]

Field	Value
country	Wales
official_name	Cwmystwyth
coordinates
unitary_wales	Ceredigion
lieutenancy_wales	Dyfed
constituency_westminster	Ceredigion Preseli
constituency_welsh_assembly	Ceredigion
post_town	Aberystwyth
postcode_district	SY23
postcode_area	SY
dial_code	01974
os_grid_reference	SN789740
cardiff_distance_mi	90
cardiff_distance	SE
static_image	Cwmystwyth-by-Nigel-Brown.jpg
static_image_width	250px
static_image_caption	A view towards Cwmystwyth, looking south-east
::

Cwmystwyth (also Cwm Ystwyth, ; ) is a village in Ceredigion, Wales near Devil's Bridge, and Pont-rhyd-y-groes.

The Ordnance Survey calculates Cwmystwyth to be the centre point of Wales (; ).

History

Discovery of small, oval-shaped stone tools in the area points to the fact that it has been mined for lead since the time of ancient Britons and during Roman occupation. Documentation of mining activities occurred during the reign of Elizabeth I. She engaged the services of two German miners, then went on to sub-let to Hugh Myddleton.

The only significant flat area of the cwm is found before the river reaches maturity near Trawsgoed some 6 miles further west. Above the village to the east steep slopes rise to the Elenydd moors, above the cwm of the Nant Milwyn, at the head of the hill of Domen Milwyn.

Climate

Cwmystwyth experiences an oceanic climate (Köppen climate classification Cfb) similar to almost all of Wales and the United Kingdom. This translates to a narrow range of temperatures, rainfall in all seasons and low sunshine levels, particularly at upland locations such as inland Wales.

The Met Office maintains a weather station in the village, with online climate records dating back to 1959. Temperatures range from an absolute high of 32.3 C recorded during July 2006,{{cite web |url=https://www.roostweather.com/ukobs/temp_station_extreme_map.php |title=Monthly Temperature Extremes |access-date=2025-07-29}} down to an absolute low of -16.7 C, recorded during January 1963.{{cite web |url=http://eca.knmi.nl/utils/monitordetail.php?seasonid=7&year=1963&indexid=TNn&stationid=1637 |title=1963 Minimum |access-date=2011-09-24 |archive-date=7 March 2016 |archive-url=https://web.archive.org/web/20160307122221/http://eca.knmi.nl/utils/monitordetail.php?seasonid=7&year=1963&indexid=TNn&stationid=1637 |url-status=dead |url=http://eca.knmi.nl/utils/calcdetail.php?seasonid=0&periodid=1971-2000&indexid=TXx&stationid=1637 |title=1971-2000 average warmest day |access-date=2011-09-24}} and the coldest night fall to -8.0 C.{{cite web |url=http://eca.knmi.nl/utils/calcdetail.php?seasonid=0&periodid=1971-2000&indexid=TNn&stationid=1637 |title=average coldest night |access-date=2011-09-24}} In total just over 3 days{{cite web |url=http://eca.knmi.nl/utils/calcdetail.php?seasonid=0&periodid=1971-2000&indexid=SU&stationid=1637 |title=1971-2000 25c days |access-date=2011-09-24}} should record a temperature of 25.1 C or above, and 53.5 nights{{cite web |url=https://www.metoffice.gov.uk/research/climate/maps-and-data/location-specific-long-term-averages/gcm3c7rrq |title=Cwmystwyth Climate Period: 1991-2020 |access-date=2025-07-29}} should report an air frost.

Rainfall, as one might expect for an elevated place in Wales, is high, at nearly 2000 mm a year. At least 1 mm will be observed on 196 days{{cite web |url=http://eca.knmi.nl/utils/calcdetail.php?seasonid=0&periodid=1971-2000&indexid=RR1&stationid=1637 |title=1971-2000 wetdays |access-date=2011-09-24 |archive-date=4 March 2016 |archive-url=https://web.archive.org/web/20160304032213/http://eca.knmi.nl/utils/calcdetail.php?seasonid=0&periodid=1971-2000&indexid=RR1&stationid=1637 |url-status=dead

|location = Cwmystwyth: 301 m 1991–2020 normals, extremes 1959-2011 |collapsed = |metric first = Yes |single line = Yes |Jan record high C = 15.1 |Feb record high C = 16.5 |Mar record high C = 20.6 |Apr record high C = 23.8 |May record high C = 25.0 |Jun record high C = 29.6 |Jul record high C = 32.3 |Aug record high C = 30.4 |Sep record high C = 27.8 |Oct record high C = 23.8 |Nov record high C = 18.7 |Dec record high C = 13.3 |year record high C = |Jan high C = 6.5 |Feb high C = 6.8 |Mar high C = 8.8 |Apr high C = 11.6 |May high C = 14.6 |Jun high C = 17.0 |Jul high C = 18.4 |Aug high C = 18.1 |Sep high C = 16.2 |Oct high C = 12.7 |Nov high C = 9.3 |Dec high C = 7.2 |year high C = 12.3 |Jan mean C = 3.9 |Feb mean C = 4.0 |Mar mean C = 5.4 |Apr mean C = 7.6 |May mean C = 10.3 |Jun mean C = 12.8 |Jul mean C = 14.6 |Aug mean C = 14.3 |Sep mean C = 12.4 |Oct mean C = 9.6 |Nov mean C = 6.5 |Dec mean C = 4.5 |year mean C = |Jan low C = 1.2 |Feb low C = 1.2 |Mar low C = 2.1 |Apr low C = 3.5 |May low C = 6.0 |Jun low C = 8.7 |Jul low C = 10.8 |Aug low C = 10.5 |Sep low C = 8.7 |Oct low C = 6.5 |Nov low C = 3.7 |Dec low C = 1.8 |year low C = 5.4 |Jan record low C = -16.7 |Feb record low C = -13.3 |Mar record low C = -13.9 |Apr record low C = -6.6 |May record low C = -3.5 |Jun record low C = -2.2 |Jul record low C = 0.6 |Aug record low C = 0.5 |Sep record low C = -3.0 |Oct record low C = -3.9 |Nov record low C = -10.7 |Dec record low C = -11.5 |year record low C = |precipitation colour = green |Jan precipitation mm = 188.8 |Feb precipitation mm = 155.0 |Mar precipitation mm = 134.2 |Apr precipitation mm = 103.6 |May precipitation mm = 106.4 |Jun precipitation mm = 120.0 |Jul precipitation mm = 136.5 |Aug precipitation mm = 135.1 |Sep precipitation mm = 146.7 |Oct precipitation mm = 192.0 |Nov precipitation mm = 211.9 |Dec precipitation mm = 215.5 |year precipitation mm = 1845.6 |unit precipitation days = 1.0 mm |Jan precipitation days = 18.8 |Feb precipitation days = 16.1 |Mar precipitation days = 15.5 |Apr precipitation days = 14.2 |May precipitation days = 13.6 |Jun precipitation days = 13.6 |Jul precipitation days = 15.7 |Aug precipitation days = 16.3 |Sep precipitation days = 15.0 |Oct precipitation days = 17.6 |Nov precipitation days = 19.8 |Dec precipitation days = 19.8 |year precipitation days = 196.0 |Jan sun = 34.2 |Feb sun = 59.2 |Mar sun = 94.3 |Apr sun = 141.4 |May sun = 173.6 |Jun sun = 154.6 |Jul sun = 147.7 |Aug sun = 136.1 |Sep sun = 115.0 |Oct sun = 83.1 |Nov sun = 45.0 |Dec sun = 28.8 |year sun = 1213.1 |source 1 = Met Office{{cite web | url = https://www.metoffice.gov.uk/research/climate/maps-and-data/uk-climate-averages/gcm3c7x2r | title = Cwmystwyth Climate | accessdate = 22 May 2024 |publisher = Met Office}} |source 2 = Starlings Roost Weather{{cite web |url= https://www.roostweather.com/ukobs/temp_station_extreme_map.php |title= Monthly Temperature Extremes |publisher=Roost Weather |access-date= 29 July 2025}}

References

(2002-10-24). "Saving the centre of Wales". BBC.
Jenkinson, Henry Irwin. (1878). "Jenkinson's Practical Guide to North Wales". Oxford University.

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