Sundial at the Church of St Mary is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 23 May 2003. Monument.
Sundial at the Church of St Mary
- WRENN ID
- twelfth-joist-fen
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 23 May 2003
- Type
- Monument
- Address
- Sundial at the Church of St Mary, Llanfair, Gwynedd
- OS grid reference
- SH 577 290
- Coordinates
- 52.84026, -4.11354
- Source
- Cadw listing
Description
The sundial at the Church of St Mary features a bronze octagonal plate with an intricately carved design and the name "Wilson, Nevin." It is set within a slate surround and mounted on a rough square-profiled pillar made of local stone.
Local climate
Sundial at the Church of St Mary sits in one of the wettest parts of the UK, with an average of 1,460 mm of rain a year. This makes it wetter than 98% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.
It experiences an average of 31 freeze-thaw cycles a year, fewer than 62% of listed buildings. Of these, 14 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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