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Weather extremes

How extreme does Luton's weather get?

The hottest, coldest, wettest and snowiest days Luton has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.

Based on 34 years of daily weather observations (1991–present), from the Cranfield station 25 km away. Updated through August 2025 — an all-time extreme only changes when a more extreme day actually occurs, so some dates are old. That is normal, not stale data.

The four kinds of extreme

The hottest, coldest, wettest and snowiest single days Luton has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
102°F Jul 19, 2022

That is about 31°F hotter than a normal July afternoon in Luton (typical high near 72°F).

The three most extreme on record

1 102°F Jul 19, 2022recent
2 99°F Jul 25, 2019
3 97°F Jul 18, 2022
❄️ Coldest night
10°F Dec 20, 2010

The three most extreme on record

1 10°F Dec 20, 2010
2 14°F Feb 11, 2012
3 16°F Dec 7, 2010

How hot and cold it gets, month by month

The shaded band is the normal range of daily temperatures for each month. The dots show the most extreme it has ever been — so you can see how far beyond a normal day the records really sit.

-10°10°30°50°70°90°110°130° all-time high 102°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Luton's record heat sits well above even a hot day for the season — July's 102°F is about 31°F beyond a normal hot afternoon. Its record cold is just as far below a normal winter night — the dots mark how rare each extreme really is.

In plain terms

In a normal year, Luton's warmest days reach the low 70s°F and its coldest nights drop to the high 30s°F. But across the record it has gone as high as 102°F and as low as 10°F. Those are the outer edges worth knowing if you are moving here, planning a trip, or thinking about a house.
Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Northolt, a weather station, about 36 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →