Guédelon Castle
Auxerre, France

Guédelon Castle is a castle and open-air museum located near Auxerre, France. The project began in 1997 and is one of the 125 sights in the country featured on this site. It is the 50th most looked-up sight in France on English Wikipedia. The castle project is located in the Treigny-Perreuse-Sainte-Colombe area.
Planning a visit
The warmest months are July and August, when daily highs reach 23 °C and there are about 8 or 9 rainy days. The coldest months are December and January, when daily highs are 6 °C and lows are between 0 °C and 1 °C. In the spring, such as in April, the daily high is 14 °C and the low is 5 °C. The site is 154 km from Paris and 140 km from Paris-Orly Airport (ORY). A visit can be combined with a trip to Vézelay Abbey, which is 46.4 km away.
The museum is open from 09:00 to 17:30. There is a fee for entry; adults, students, and children pay, but children under 5 are free. Wheelchair access at the site is limited.
Weather by month
The warmest month is July, with an average high of 23 °C. Rain is spread fairly evenly through the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 6 | 7 | 11 | 14 | 18 | 21 | 23 | 23 | 20 | 15 | 10 | 6 |
| Average low, °C | 1 | 0 | 3 | 5 | 9 | 12 | 14 | 14 | 11 | 8 | 4 | 1 |
| Rainfall, mm | 74 | 60 | 64 | 65 | 78 | 72 | 71 | 65 | 70 | 84 | 76 | 83 |
| Rainy days | 13 | 11 | 13 | 11 | 13 | 13 | 8 | 9 | 10 | 12 | 12 | 14 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.