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Weather extremes

How extreme does Redruth's weather get?

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

Based on 50+ years of daily weather observations (1973–present), from the Camborne station 7 km away. Updated through May 2026 — 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 Redruth has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
87°F Jul 17, 2022

That is about 21°F hotter than a normal July afternoon in Redruth (typical high near 66°F).

The three most extreme on record

1 87°F Jul 17, 2022recent
2 87°F Aug 10, 2022
3 87°F Aug 11, 2022
❄️ Coldest night
15°F Jan 13, 1987

About 26°F colder than a normal January night in Redruth (typical low near 41°F).

The three most extreme on record

1 15°F Jan 13, 1987
2 17°F Jan 14, 1987
3 19°F Jan 12, 1987
🌧️ Most rain in one day
2.66 in Aug 17, 2004

About 84% of a typical August's rain in a single day (Redruth averages roughly 3.2 in across the month).

The three most extreme on record

1 2.66 in Aug 17, 2004
2 2.52 in Aug 3, 1997
3 2.28 in Dec 27, 1979

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° all-time high 87°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Redruth's record heat sits well above even a hot day for the season — July's 87°F is about 21°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, Redruth's warmest days reach the mid-60s°F and its coldest nights drop to the low 40s°F. But across the record it has gone as high as 87°F and as low as 15°F. A single day has delivered over 3 inches of rain. 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 Camborne, a weather station, about 7 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →