FAQ
How far back does data go?
Open-Meteo Archive provides data from January 1940 to the present, using ERA5 and ERA5-Land reanalysis datasets.
How accurate is historical data?
Reanalysis combines weather station observations with satellite data and models. Temperature accuracy is typically within 0.5-1 degree for areas with good station coverage.
Is this free?
Yes, completely free. Open-Meteo provides historical weather data at no cost for non-commercial use.