Resumen: In this work, we provide instrumental meteorological data recovered for the Extremadura region (interior SW Iberia), from 1826 to mid-20th century. Meteorological variables such as air temperature, atmospheric pressure, precipitation, wind direction and humidity, among others, were retrieved. In total, more than 750 000 instrumental data in 157 meteorological series belonging to 131 different locations throughout Extremadura were rescued. It must be noted that daily resolution data constitutes 80% of the database. This great effort of digitization and data collection has been carried out with the aim of contributing to a significant expansion of the length of the databases with meteorological information in this region. Therefore, this database will provide a better understanding of climate variability, trends and extreme events of the Extremadura region. Idioma: Inglés DOI: 10.1002/gdj3.131 Año: 2021 Publicado en: GEOSCIENCE DATA JOURNAL 9, 2 (2021), 207-220 ISSN: 2049-6060 Factor impacto JCR: 3.488 (2021) Categ. JCR: GEOSCIENCES, MULTIDISCIPLINARY rank: 81 / 203 = 0.399 (2021) - Q2 - T2 Categ. JCR: METEOROLOGY & ATMOSPHERIC SCIENCES rank: 48 / 94 = 0.511 (2021) - Q3 - T2 Factor impacto CITESCORE: 4.5 - Earth and Planetary Sciences (Q2)