Burgos,at a height of 890m and with the Atlantic coast approximately 120km to the north, there will be no winter warming effect by the sea. There will be a chance of night time frost in the winter and a chance of snow.
Summertime average temperatures are amongst the lowest for Spanish cites though daytime temperatures are likely to be very good in the sunshine. The altitude effect will mean cooler temperatures when the sun is not shining.
The average rainfall for Burgos is 570mm or 22.4 inches, spread fairly evenly through the year with only July and August showing a reduction. (Source: World Climate)
Daily average temperatures for Burgos
Source: World Climate