Caernarfon Castle Castell Caernarfon
Caernarfon, United Kingdom
Caernarfon Castle is a medieval castle and archaeological site in the United Kingdom. Commissioned by Edward I of England, the site features architecture by James of Saint George and Walter de Hereford and is a Grade I listed building, a scheduled monument, and a National Monument of Wales. It is one of the 124 most looked-up sights in the country on English Wikipedia, ranking 98 among the country's sights.
Planning a visit
The driest months to visit are May and April, with rainfall of about 82 mm and 87 mm. The warmest months are July and August, with daily highs of 18 °C. The coldest months are January and February, with daily highs of 7 °C. Rainfall is highest from October to December, with December seeing about 23 rainy days and 158 mm of rain.
The castle is 335 km from London and 97 km from Liverpool John Lennon Airport. The site is part of the Caernarfon Castle and Town Walls, occupies an area of 0.06 km2, and sits at an elevation of about 10 m. It can be combined with a visit to Conwy Castle, which is approximately 34 km away. Adult admission is £15.60, with concessions available and free entry for members.
Weather by month
The warmest month is July, with an average high of 18 °C. Rain is spread fairly evenly through the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 7 | 7 | 9 | 11 | 14 | 17 | 18 | 18 | 16 | 13 | 10 | 8 |
| Average low, °C | 4 | 3 | 4 | 5 | 8 | 11 | 13 | 13 | 11 | 9 | 6 | 4 |
| Rainfall, mm | 142 | 104 | 119 | 87 | 82 | 84 | 91 | 111 | 124 | 172 | 171 | 158 |
| Rainy days | 20 | 17 | 18 | 13 | 13 | 14 | 17 | 18 | 17 | 18 | 21 | 23 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.
