Weeronline expects Boxing Day to be another mild day, but the temperature in De Bilt is slightly lower than Monday at 10 to 11 degrees. The average maximum temperature over both Christmas days will then be around 11.5 degrees. This will probably make it the fourth warmest Christmas ever measured. The warmest Christmas ever was in 2015 with 14.0 degrees on first Christmas day and 14.4 degrees on the second.
Weeronline: third warmest Christmas day ever
