Sundial in the Churchyard of St Mary's Parish Church is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 1 February 1988. A C19 Sundial.
Sundial in the Churchyard of St Mary's Parish Church
- WRENN ID
- hallowed-bailey-mallow
- Grade
- II
- Local Planning Authority
- Brecon Beacons National Park
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 1 February 1988
- Type
- Sundial
- Address
- Sundial in the Churchyard of St Mary's Parish Church, Hay, Powys
- OS grid reference
- SO 225 421
- Coordinates
- 52.07199, -3.13084
- Source
- Cadw listing
Description
The sundial in the churchyard of St Mary's Parish Church is made of a square stem that stands about 4 feet high. The stem flares out at the top, where it holds a lead octagonal dial and gnomon. The sundial is inscribed with "Parish of Hay 1826, Joseph Huil (?) fecit Birmingham" and includes the names of four churchwardens and overseers.
Local climate
Sundial in the Churchyard of St Mary's Parish Church receives an average of 900 mm of rain a year. This makes it wetter than 67% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 54% of listed buildings.
It experiences an average of 52 freeze-thaw cycles a year, more than 93% of listed buildings. Of these, 29 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.
Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.
More on this building
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- No EPC on record for this property
- No sale records on file
- No related consent applications matched
- Detailed attributes — period, style, materials, features
- Flood risk assessment
- Radon risk assessment
- Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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