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Use the postcode lookup to see how summer 2026’s average daily maximum temperature and total rainfall compared with the 1991–2020 average near you. The figures are local estimates, not measurements taken at your home, and 2026 data is provisional.
Check summer 2026 near your postcode
Enter a full UK postcode in the interactive lookup to view two separate comparisons: the average daily maximum temperature and total rainfall for summer 2026 relative to the 1991–2020 average. You will need a modern browser and a stable internet connection. A national average cannot tell you exactly what happened in your area.
The lookup covers the UK landmass but not the Channel Islands. Its results use HadUK Grid, produced by the Met Office Hadley Centre for monitoring and research into the UK’s changing climate.
What the results mean
Temperature
The temperature result compares summer 2026’s average daily maximum with the 1991–2020 summer average. A positive difference means the average daily maximum was higher than that baseline.
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Rainfall
The rainfall result expresses total summer rainfall as a percentage of the 1991–2020 summer average. Read this separately from the temperature comparison: a warmer result does not tell you how dry the location was, and a rainfall percentage does not indicate temperature.
How local is a postcode result?
HadUK Grid provides estimates for 1 km by 1 km grid cells. The estimates draw on land-based weather-station observations and account for factors such as altitude, terrain and distance from the coast. The displayed result averages the target grid cell with nearby cells, usually representing an area of roughly 5 km square. It is therefore an estimate for the area around the postcode, not a reading from an individual property.
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Why the comparison uses 1991–2020
The lookup compares results with the 30-year period from 1991 to 2020, a standard climate reference period used by the World Meteorological Organization. This gives a consistent baseline for judging whether a season was warmer or drier than usual; it is not a prediction of what a particular summer should be like.
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BBC Verify reported a UK-wide mean daily maximum temperature of 21.3°C for summer 2026, 2.4°C above the 1991–2020 summer average. It reported UK-wide average summer rainfall of 195 mm, 23% below that average. These are national figures, not the output for any postcode.
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The regional picture varied. BBC Verify described heat as far above usual in southern England and Wales, while temperatures were closer to normal in Scotland and Northern Ireland. North-western Scotland was the stated exception to the generally dry conditions, receiving more summer rain than usual.
Why results for 2026 are provisional
Reporting delays mean fewer observations are available for 2026 than for a completed historical season. BBC Verify says the figures through August are provisional and may change as additional observations become available. Treat a postcode result as the current estimate, not a final value.
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What drove the hot and dry conditions?
BBC Verify reported that high-pressure systems over the UK for much of the summer brought clear, sunny skies to many areas, along with warm and dry conditions. Human-caused global warming raises average UK temperatures, so similar weather patterns can produce higher temperatures than in the past. Warmer conditions can also dry soils and vegetation faster, increasing the effects of low rainfall. These explanations describe broader conditions; they cannot be inferred from one postcode result alone.
BBC Verify also reported a Met Office estimate that human-caused climate change made the summer’s average temperature about 130 times more likely. This is the estimate as reported by BBC Verify, not an independently verified postcode-level calculation.
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What one summer can—and cannot—tell you
The 2026 result describes one season. UK summers are expected to become drier on average, while heavy rainfall may occur in more intense bursts, but weather patterns vary from year to year. One unusually hot and dry summer does not mean every future summer will be the same.
Quick Recap
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