Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Cotonou weather records

Record high and low temperatures for Cotonou, by month, by season, and all-time, with the dates they occurred, across 1980–2026 of daily climate history. Its hottest day on record reached 32°C on 2026-04-01; its coldest fell to 22°C on 1998-08-27.

Records by month

The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.

MonthDaytime highOvernight low
January
30°C2024-01-26
25°C1992-01-11
28°C2024-01-24
23°C1989-01-12
February
29°C2024-02-27
25°C2016-02-01
29°C2024-02-27
24°C2016-02-02
March
30°C2024-03-30
27°C1983-03-01
29°C2024-03-31
24°C1981-03-14
April
32°C2026-04-01
27°C1997-04-30
29°C2024-04-30
25°C1985-04-05
May
31°C2026-05-11
26°C1989-05-12
30°C2024-05-05
25°C2004-05-31
June
31°C2026-06-01
25°C1983-06-30
28°C2021-06-03
24°C1989-06-30
July
30°C2026-07-05
23°C1997-07-25
26°C2006-07-02
23°C1997-07-25
August
27°C1987-08-11
23°C1998-08-17
26°C2023-08-29
22°C1998-08-27
September
27°C2023-09-25
24°C1989-09-05
27°C2023-09-26
23°C1989-09-19
October
29°C2023-10-29
25°C1991-10-14
28°C2023-10-29
24°C1985-10-01
November
29°C2006-11-18
26°C1986-11-06
28°C2006-11-18
24°C1984-11-13
December
29°C2023-12-20
26°C1986-12-23
28°C1997-12-06
24°C1991-12-23

Records by season

The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Northern Hemisphere, each a three-month span).

SeasonDaytime highOvernight low
Winter (Dec–Feb)
30°C2024-01-26
25°C1992-01-11
29°C2024-02-27
23°C1989-01-12
Spring (Mar–May)
32°C2026-04-01
26°C1989-05-12
30°C2024-05-05
24°C1981-03-14
Summer (Jun–Aug)
31°C2026-06-01
23°C1997-07-25
28°C2021-06-03
22°C1998-08-27
Autumn (Sep–Nov)
29°C2006-11-18
24°C1989-09-05
28°C2006-11-18
23°C1989-09-19

All-time records

The most extreme value Cotonou has recorded for each metric across its entire history.

High

Highest 32°C 2026-04-01
Lowest 23°C 1997-07-25

Low

Highest 30°C 2024-05-05
Lowest 22°C 1998-08-27

Feels-like

Highest 43°C 2026-04-12
Lowest 23°C 1997-07-25

Humidity

Highest 25.4 g/m³ 1998-02-08
Lowest 11.5 g/m³ 1983-01-07

Wind

Highest 38 km/h 2018-06-19
Lowest 9 km/h 2026-04-30

Gust

Highest 58 km/h 2017-06-12
Lowest 17 km/h 2010-10-29

Precip

Wettest 179 mm 1988-09-12
Driest 21-day dry spell 2006-12-31

For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.

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