King John's Castle
King John's Castle is a national monument of Ireland and a military museum commissioned by John, King of England, in 1210. It is one of the 52 sights in Ireland on this site and is the 29th most looked-up sight in the country on English Wikipedia.
Planning a visit
April is the driest month with 71 mm of rain. The warmest temperatures occur in July and August, with daily highs of 19 °C and 18 °C. The coldest months are January, February, and December, when daily highs are 8 °C. Rainfall is heaviest in October, December, and January, with monthly totals between 119 mm and 130 mm.
The site is 175 km from Dublin and 20 km from Shannon Airport. Nearby attractions include the Hunt Museum, located 0.4 km away, Bunratty Castle, 12.9 km away, and Glenstal Abbey, 16 km away. The castle is open from 09:30 to 18:00, Monday through Sunday. Adult tickets cost €15, while child or concession tickets are €11.
Weather by month
The warmest month is July, with an average high of 19 °C. Rain is spread fairly evenly through the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 8 | 8 | 10 | 12 | 15 | 17 | 19 | 18 | 16 | 13 | 10 | 8 |
| Average low, °C | 3 | 3 | 4 | 5 | 8 | 11 | 13 | 12 | 11 | 8 | 5 | 4 |
| Rainfall, mm | 125 | 93 | 96 | 71 | 86 | 86 | 83 | 99 | 95 | 130 | 119 | 123 |
| Rainy days | 19 | 18 | 18 | 13 | 15 | 15 | 19 | 20 | 16 | 18 | 20 | 21 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.
