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Weather extremes

How extreme does Legnano's weather get?

The hottest, coldest, wettest and snowiest days Legnano 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 (1971–present), from the Lugano station 45 km away. Updated through April 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 Legnano has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
99°F Jul 21, 1983

That is about 18°F hotter than a normal July afternoon in Legnano (typical high near 81°F).

The three most extreme on record

1 99°F Jul 21, 1983
2 98°F Jul 29, 1983
3 97°F Aug 11, 2003
❄️ Coldest night
16°F Jan 7, 1985

About 18°F colder than a normal January night in Legnano (typical low near 34°F).

The three most extreme on record

1 16°F Jan 7, 1985
2 17°F Jan 6, 1985
3 17°F Feb 7, 1991
🌧️ Most rain in one day
6.96 in Sep 12, 1994

More rain in a single day than Legnano usually gets in the whole month of September (typical September total about 6.6 in).

The three most extreme on record

1 6.96 in Sep 12, 1994
2 6.70 in Jul 31, 1979
3 6.45 in Sep 12, 1995

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

Legnano's record heat sits well above even a hot day for the season — July's 99°F is about 18°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, Legnano's warmest days reach the low 80s°F and its coldest nights drop to the mid-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 7 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 — the official 1991–2020 climate normals from the WMO's CLINO 1991–2020 collection, measured at Milano_malpensa, about 15 km from the city centre.

How we build these numbers →