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Weather extremes

How extreme does Río Gallegos's weather get?

The hottest, coldest, wettest and snowiest days Río Gallegos 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 Rio Gallegos Aero station 2 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 Río Gallegos has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
95°F Jan 30, 1975

That is about 26°F hotter than a normal January afternoon in Río Gallegos (typical high near 69°F).

The three most extreme on record

1 95°F Jan 30, 1975
2 93°F Jan 28, 1975
3 93°F Feb 6, 1985
❄️ Coldest night
-4°F Jul 12, 1982

About 31°F colder than a normal July night in Río Gallegos (typical low near 27°F).

The three most extreme on record

1 -4°F Jul 12, 1982
2 0°F Jun 21, 2024
3 1°F Jul 7, 1982
🌧️ Most rain in one day
5.60 in Jun 5, 2022

More rain in a single day than Río Gallegos usually gets in the whole month of June (typical June total about 1.1 in).

The three most extreme on record

1 5.60 in Jun 5, 2022recent
2 5.59 in Dec 19, 2012
3 5.35 in Sep 20, 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.

-30°-10°10°30°50°70°90°110° all-time high 95°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Río Gallegos's record heat sits well above even a hot day for the season — January's 95°F is about 26°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, Río Gallegos's warmest days reach the high 60s°F and its coldest nights drop to the high 20s°F. But across the record it has gone as high as 95°F and as low as −4°F. A single day has delivered over 6 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 26 years of daily observations at Rio Gallegos Aero, 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 →