Analysis of information sources in references of the Wikipedia article "Province of Valladolid" in English language version.
The values of the Valladolid observatory, near the center of the city, are typical of a Csb climate, since in July and August they slightly exceed 22 °C, however, in the Valladolid Airport observatory, located at a higher altitude, the average temperature in July and August is even lower than 21 °C, so it is clearly a Csb climate. Although this observatory does not belong to the municipality of Valladolid, it is very close to certain areas of the municipality of Valladolid with the same or even higher altitude.
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: CS1 maint: archived copy as title (link) AENA Statistics 2014{{cite web}}
: CS1 maint: archived copy as title (link) AENA Statistics 2014