Castle Rushen
Castletown, Isle of Man

Castle Rushen is a castle and national museum in Castletown on the Isle of Man. Established in 1250, it is a registered building and ranks as the 4th most looked-up sight in the country on English Wikipedia.
Planning a visit
The Isle of Man experiences cool temperatures year-round, ranging from an average of 6 °C in February to 15 °C in August. Rain is frequent, occurring on 12 to 22 days each month. April and May have the fewest rainy days, with 12 and 11 days respectively, which may be the most suitable time for a visit. The castle is open to the public daily from April through October, between 9:30 AM and 4:30 PM.
Castle Rushen is located 2 km from the Isle of Man Airport and 14 km from Douglas. For those planning a wider itinerary, the site is within distance of several other locations. Tynwald is 14.1 km away, the Manx Museum is 14.3 km away, and the Tower of Refuge is 14.7 km away. Peel Cathedral and Peel Castle are also nearby, located 16.7 km and 17.3 km away, respectively. Adult admission is £13, while children are admitted for free. NT and NTS members also receive free entry. Please note that wheelchair access to the site is limited.
Weather by month
The warmest month is August, averaging 15 °C. Rain is spread fairly evenly through the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average temperature, °C | 7 | 7 | 7 | 8 | 10 | 12 | 14 | 15 | 14 | 12 | 10 | 8 |
| Rainfall, mm | 94 | 65 | 77 | 61 | 57 | 63 | 61 | 72 | 85 | 117 | 116 | 108 |
| Rainy days | 18 | 17 | 17 | 12 | 11 | 12 | 16 | 18 | 17 | 18 | 20 | 22 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.