Skip to content
Geonivora
Historic site

Castell Mawr

Located in Llanboidy, Carmarthenshire Coordinates: 51°52′41″ N 4°35′19″ W

Map showing the location of Castell Mawr Castell Mawr
Location in United Kingdom
Nearest town
Llanboidy
0.3 km W
Local time
UTC+00:00
Europe/London · UTC+00:00
Elevation
80 m
above sea level
When to go
June–September
See the climate
Airports
CWL Cardiff International Airport101 km
BRS Bristol Airport141 km

About Castell Mawr

Castell Mawr is a historic site. Location: Llanboidy, Carmarthenshire. The best months to visit are June–September. The nearest airport is Cardiff International Airport (101 km). Nearby sights include Pen Haulfryn and Waun Fawr.

Climate of Castell Mawr

Best months for sightseeing

Best months for sightseeing: June–September.

This month · November

A wet month

Day 11° · Night 6° · Rain 134 mm

Hottest month
August (day 19°)
Coldest month
February (night 3°)
Wettest month
November (134 mm)
Driest month
May (70 mm)

Bars: average monthly low and high temperature. Below: precipitation. Monthly averages for 1970–2000 at about 18 km resolution, adjusted for elevation. Highlighted months are mild and relatively dry. Source: WorldClim 2.1 (CC BY 4.0).

Show values as a table
Climate of Castell Mawr
Month JanFebMarAprMayJunJulAugSepOctNovDec
Average high (°C)8°8°9°12°15°17°19°19°17°14°11°9°
Average low (°C)3°3°4°5°8°10°13°13°11°9°6°5°
Precipitation (mm)12288957270797595100126134127

Other places to visit in this season: June July August September

How to get to Castell Mawr

The nearest airport is Cardiff International Airport (CWL), 101 km to the southeast as the crow flies. The nearest large city is Swansea, 53 km to the southeast.

Airports

  • Cardiff International Airport (CWL) Cardiff 101 kmsoutheast
  • Bristol Airport (BRS) Bristol 141 kmeast
  • Exeter International Airport (EXT) Exeter, Devon 151 kmsoutheast

Nearby large cities

  • Swansea Population: 300.4K 53 kmsoutheast
  • Cardiff Population: 372.1K 107 kmsoutheast
  • Newport Population: 161.5K 115 kmeast
  • Bristol Population: 479K 146 kmeast
  • Exeter Population: 130.7K 148 kmsoutheast

Straight-line distances; road distances are longer. Airport data: OurAirports.

Day trips from Castell Mawr

Within 100 km: 435 historic and cultural sites, 1,383 natural sites, 148 lakes, rivers and coasts.

0–25 km216 places

  • Ynys Fawr Island 19 kmN
  • Llys-y-frân Reservoir Lake 18 kmW
  • Mynydd Preseli Mountain 16 kmNW
  • Moelfre Mountain 17 kmNE

25–60 km673 places

  • St Justinian Natural site 50 kmW
  • Porth Clais Natural site 48 kmW
  • Port Selau Natural site 49 kmW
  • Poppit Sands Beach 27 kmN

60–100 km1,077 places

  • Saunton Sands Beach 90 kmS
  • Mouthmill Beach Beach 97 kmS
  • Putsborough Beach Beach 85 kmS
  • The Smalls Island 77 kmW

Straight-line distances.

Nearby attractions & nature

Everything nearby

Nearest towns and villages

Sources & licences

Data last updated: