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Weather extremes

How extreme does Mostaganem's weather get?

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

Based on 49 years of daily weather observations (1976–present), from the Mostaganem station 6 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 Mostaganem has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
114°F Jul 31, 2001

That is about 24°F hotter than a normal July afternoon in Mostaganem (typical high near 90°F).

The three most extreme on record

1 114°F Jul 31, 2001
2 113°F Aug 17, 2012
3 112°F Jul 22, 2009
❄️ Coldest night
22°F Mar 7, 2008

About 25°F colder than a normal March night in Mostaganem (typical low near 47°F).

The three most extreme on record

1 22°F Mar 7, 2008
2 27°F Jan 19, 1987
3 28°F Feb 2, 1981
🌧️ Most rain in one day
4.41 in Nov 11, 2001

More rain in a single day than Mostaganem usually gets in the whole month of November (typical November total about 2.6 in).

The three most extreme on record

1 4.41 in Nov 11, 2001
2 3.54 in Dec 25, 2006
3 3.35 in Nov 6, 2008

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°30°50°70°90°110°130° all-time high 114°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Mostaganem's record heat sits well above even a hot day for the season — July's 114°F is about 24°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, Mostaganem's warmest days reach the low 90s°F and its coldest nights drop to the low 40s°F. But across the record it has gone as high as 114°F and as low as 22°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 13 years of daily observations at Mostaganem, a weather station, about 6 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →