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Weather extremes

How extreme does Rosenheim's weather get?

The hottest, coldest, wettest and snowiest days Rosenheim 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 (1971–2024), from the Rosenheim station 2 km away. Updated through April 2024 — 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 Rosenheim has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
99°F Jul 27, 1983

That is about 22°F hotter than a normal July afternoon in Rosenheim (typical high near 77°F).

The three most extreme on record

1 99°F Jul 27, 1983
2 99°F Jul 11, 1984
3 99°F Aug 13, 2003
❄️ Coldest night
-15°F Jan 8, 1985

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

The three most extreme on record

1 -15°F Jan 8, 1985
2 -14°F Jan 7, 1985
3 -14°F Jan 13, 1987
🌧️ Most rain in one day
3.82 in Jun 17, 1979

About 67% of a typical June's rain in a single day (Rosenheim averages roughly 5.7 in across the month).

The three most extreme on record

1 3.82 in Jun 17, 1979
2 3.61 in Aug 3, 2020
3 3.11 in Aug 6, 1985

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.

-30°-10°10°30°50°70°90°110° all-time high 99°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Rosenheim's record heat sits well above even a hot day for the season — July's 99°F is about 22°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, Rosenheim's warmest days reach the high 70s°F and its coldest nights drop to the mid-20s°F. But across the record it has gone as high as 99°F and as low as −15°F. A single day has delivered over 4 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 Rosenheim, a weather station, about 2 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →