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Weather extremes

How extreme does Niamey's weather get?

The hottest, coldest, wettest and snowiest days Niamey 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 Diori Hamani station 9 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 Niamey has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
120°F Oct 5, 2016

That is about 20°F hotter than a normal October afternoon in Niamey (typical high near 101°F).

The three most extreme on record

1 120°F Oct 5, 2016
2 120°F May 12, 2022
3 118°F Jun 16, 2017
❄️ Coldest night
46°F Jan 8, 1993

About 17°F colder than a normal January night in Niamey (typical low near 63°F).

The three most extreme on record

1 46°F Jan 8, 1993
2 48°F Sep 7, 2002
3 48°F Jul 24, 2003
🌧️ Most rain in one day
18.23 in Jun 10, 2016

More rain in a single day than Niamey usually gets in the whole month of June (typical June total about 3.3 in).

The three most extreme on record

1 18.23 in Jun 10, 2016
2 15.08 in Aug 23, 2017
3 7.48 in May 6, 2006

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°50°70°90°110°130°150° all-time high 120°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Niamey's record heat sits well above even a hot day for the season — October's 120°F is about 20°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, Niamey's warmest days reach the high 100s°F and its coldest nights drop to the low 60s°F. But across the record it has gone as high as 120°F and as low as 46°F. A single day has delivered over 18 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 Diori Hamani, a weather station, about 9 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →