Monde

Europe

San Sebastian/Igueldo (259m)





Number of days available for climatic review

Paramètrejanfevmaravrmaijuin
Tmax181164183176185176
Tmin183166186177185176
Durée d’insolation206221309292304295
Précipitation188179190183186180
Humidité/Visibilité168148161151162157


Paramètrejuilletaoûtsepoctnovdéc
Tmax181181202209204203
Tmin180183204209205214
Durée d’insolation303304294297320294
Précipitation185190216217214231
Humidité/Visibilité168170191193191189


Climate data is usually derived from meteorological data of a certain number of years. The actual number of recorded years may vary from only a couple to 50 years or more. The quality of climate data depends on the number of available recorded years. Fewer years means less reliable data. The standart-period for reliable climate data is 30 years. For example, the mean monthly temperature for, let's say January, would ideally calculated from a total number of 930 recorded January-days. However, the usual number of recorded days is much smaller. The table above shows the actual number of recorded days for every parameter measured.

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Saint-Sébastien

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