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Weather extremes

How extreme does Welling's weather get?

The hottest, coldest, wettest and snowiest days Welling 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 Biggin Hill station 16 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 Welling has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
99°F Jul 19, 2022

That is about 29°F hotter than a normal July afternoon in Welling (typical high near 70°F).

The three most extreme on record

1 99°F Jul 19, 2022recent
2 95°F Aug 10, 2003
3 93°F Jul 31, 2020
❄️ Coldest night
16°F Feb 28, 2018

About 22°F colder than a normal February night in Welling (typical low near 38°F).

The three most extreme on record

1 16°F Feb 28, 2018
2 18°F Jan 10, 2009
3 18°F Feb 11, 2012
🌧️ Most rain in one day
10.12 in Aug 4, 1993

Top recorded days

1 10.12 in Aug 4, 1993
2 10.04 in Jul 15, 1993

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 99°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Welling's record heat sits well above even a hot day for the season — July's 99°F is about 29°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, Welling'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 99°F and as low as 16°F. A single day has delivered over 10 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 25 years of daily observations at Hampstead, a weather station, about 12 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →