SwissClimmo

From Complex Climate Data to Actionable Insight

About SwissClimmo

A considerable amount of data are available on past and projected future climate in Switzerland. However, these datasets are large and complex, which severely impedes their use across the real-estate sector.

ClimmoSwiss has been established to bridge the gap between state-of-the-art climate science and accessible property-level information.

We apply our extensive geospatial data analysis and computing skills to provide high-quality and easy-to-interpret data on past and projected future climate at individual property locations for the first time.

We specifically aim to inform decision making of, and/or enhance the services provided by:

Mortgage lenders
Property search companies / websites
Estate agents, and
Private individuals

Explore our products Frequently asked questions

SwissClimmo is a trading name of Thornton Geoscientific – a sole proprietorship established in 2025 by Dr. James Thornton. The company is based in village of Titterten, Basel–Landschaft.

James completed a PhD in Hydrogeology at the University of Neuchâtel in 2020. Prior to that, he spent four years developing natural hazard and risk models for the (re)insurance industry.

James has authored or co-authored 10 papers in international peer-reviewed scientific journals, and has contributed to the Intergovernmental Panel on Climate Change (IPCC) assessment process. In 2022, James received a prestigious “Editors’ Choice” award for a paper in the journal Water Resources Research (WRR).

James has also coordinated research networks and collaborated with international organisations like the World Meteorological Organization (WMO), the Group on Earth Observations (GEO), and UNESCO. He serves on the Editorial Board of the journal Earth System Science Data (ESSD), and is a Fellow of the Royal Geographical Society.

Acknowledgements

We are extremely grateful to the following third-party data providers:

Climate Data: MeteoSwiss – Spatial Climate Analyses and CH2018 [Open Government Data, valid from May 2025]
Address Data: swisstopo – Official directory of building addresses [Terms of use for free geodata and geoservices (OGD) from swisstopo]
Elevation Data: swisstopo – swissALTI^Regio [Terms of use]

Bundesamt für Landestopografie swisstopo; Tarquini S., I. Isola, M. Favalli, A. Battistini, G. Dotta (2023). TINITALY, a digital elevation model of Italy with a 10 meters cell size (Version 1.1). Istituto Nazionale di Geofisica e Vulcanologia (INGV). https://doi.org/10.13127/tinitaly/1.1; DGM Österreich, geoland.at; DGM1, Bayerische Vermessungsverwaltung – www.geodaten.bayern.de; EU-DEM, provided under COPERNICUS by the European Union and ESA, all rights reserved; RGEAlti, Institut National de l’information géographique et forestière, données originales tétéchargées sur https://geoservices.ign.fr/rgealti#telechargement5m, mise à jour du juillet 2023

Our logo uses a graphic from #ShowYourStripes under CC BY 4.0 licence. #ShowYourStripes was established by Prof. Ed Hawkings (University of Reading, UK).

Photographs are licensed from AdobeStock.

Disclaimer

By following best scientific practices and conducting careful quality checks, SwissClimmo (Thornton Geoscientific) makes every effort to ensure that our data is of the the highest possible quality and accuracy.

However, we provide no guarantee of the accuracy, completeness, or reliability of our data, nor their suitability for any given application. We assume no liability for any direct, indirect, or consequential damages resulting from the use of our data, and moreover accept no responsibility for content sourced from third parties.

Nothing on this website constitutes legal, financial, or technical advice.