Met Office
HadUK-Grid gridded climate observations
The official gridded record of UK climate: monthly, seasonal and annual rainfall, temperature, sunshine and other variables interpolated from the national station network onto a 1 km grid, with area averages published for the UK, its nations, regions and counties from 1836 onward for rainfall.
Rights
- Licence
- Open Government Licence v3.0
- Commercial reuse
- Yes
- Redistribution
- Yes
- Derivative use
- Yes
- Attribution required
- YesContains public sector information licensed under the Open Government Licence v3.0.
- Restrictions
- HadUK-Grid is available under the Open Government Licence via the CEDA archive, which requires free registration. Other Met Office products, including forecast and commercial services, are separately licensed and are not open.
- Terms last checked
- 23 August 2026
Access and coverage
- Publisher
- Met Office
- Geographic coverage
- United Kingdom — 1 km grid, with published area series for nations, regions and counties
- Temporal coverage
- 1836 onwards
- Resolution
- 1 km grid
- Update frequency
- monthly
- Formats
- netcdf, csv
- Bulk download
- Available
- Registration required
- Yes
- Cost to Hydrionis
- Free
- Domains
- precipitation, temperature, drought
Notes
The Met Office publishes ready-made area-average series for UK nations and administrative areas. Hydrionis uses those published area series rather than performing its own grid aggregation, so the numbers match the official record exactly.
What Hydrionis uses it for
169,065 observations across 8 metrics currently reference this source.