Bamako climate

Bamako is warmest in April, with average highs of 39 °C, and coldest in January, when nights average 18 °C. August is the wettest month (243 mm) and December the driest (0.1 mm). Figures are 1991–2020 climate normals.

Across a full year Bamako averages 773 mm of rain and 364 days above 25 °C.

Mali · population 4,227,569 · 1991–2020 normals

  1. Jan 25°
  2. Feb 28°
  3. Mar 31°
  4. Apr 33°
  5. May 32°
  6. Jun 29°
  7. Jul 26°
  8. Aug 25°
  9. Sep 26°
  10. Oct 27°
  11. Nov 27°
  12. Dec 25°

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

What to expectBamako through the year

Bamako has a clear annual cycle: average daily highs run from 32 °C in January to 39 °C in April, a swing of 7.8 °C in mean temperature across the year.

Counted across a normal year, 364 days a year reach 25 °C, 300 of them reach 30 °C. The warmest reading in the 1991–2020 record is 43 °C, in April.

Rain is strongly seasonal. August averages 243 mm against 0 mm in December — 1,732 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month Avg high Rainfall Cloud
January 32.5 °C 1 mm 33 %
February 35.4 °C 1 mm 28 %
March 38.0 °C 2 mm 36 %
April 39.2 °C 6 mm 49 %
May 38.0 °C 32 mm 59 %
June 34.5 °C 91 mm 56 %
July 30.2 °C 189 mm 68 %
August 29.0 °C 243 mm 77 %
September 29.9 °C 158 mm 65 %
October 32.3 °C 49 mm 53 %
November 34.3 °C 2 mm 41 %
December 32.9 °C under 1 mm 35 %

Temperature month by month

Month Avg highAvg lowMeanRecord highRecord lowDays above 25 °CDays above 30 °CDays below 0 °C
January 32.5 °C18.1 °C24.9 °C38.3 °C11.3 °C31270
February 35.4 °C20.6 °C27.7 °C40.6 °C13.1 °C28270
March 38.0 °C23.6 °C30.8 °C41.8 °C14.2 °C31310
April 39.2 °C26.3 °C32.8 °C43.1 °C20.5 °C30300
May 38.0 °C26.5 °C32.0 °C43.0 °C21.6 °C31310
June 34.5 °C24.8 °C29.2 °C42.2 °C22.0 °C30290
July 30.2 °C23.0 °C26.2 °C37.0 °C21.0 °C31160
August 29.0 °C22.5 °C25.3 °C32.7 °C20.5 °C3170
September 29.9 °C22.5 °C25.8 °C35.0 °C19.9 °C30150
October 32.3 °C22.8 °C27.2 °C37.8 °C18.0 °C31270
November 34.3 °C20.9 °C27.5 °C36.9 °C17.0 °C30300
December 32.9 °C18.7 °C25.4 °C37.1 °C12.5 °C31290

Rain, sun and wind month by month

Month RainfallWet daysDaylightCloud coverHumidityWind
January 1 mm011 h/day33 %22 %16 km/h
February 1 mm012 h/day28 %17 %16 km/h
March 2 mm112 h/day36 %19 %16 km/h
April 6 mm212 h/day49 %31 %16 km/h
May 32 mm713 h/day59 %48 %16 km/h
June 91 mm1413 h/day56 %67 %16 km/h
July 189 mm2113 h/day68 %81 %14 km/h
August 243 mm2413 h/day77 %85 %14 km/h
September 158 mm2012 h/day65 %84 %12 km/h
October 49 mm812 h/day53 %72 %11 km/h
November 2 mm012 h/day41 %37 %13 km/h
December under 1 mm011 h/day35 %25 %15 km/h

How Bamako compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination Summer high Winter low Rain per year Days above 25 °C
Bamako 39 °C 18 °C 773 mm 364
Ségou · Mali 40 °C 18 °C 507 mm 364
Koutiala · Mali 39 °C 18 °C 682 mm 364
Kankan · Guinea 37 °C 19 °C 1,360 mm 362
Sikasso · Mali 38 °C 18 °C 915 mm 363

Where Bamako ranks

Planning a trip? See the best time to visit Bamako.

QuestionsCommon questions about Bamako’s climate

When is the best time to visit Bamako?

That depends on what you want, so the honest answer is a comparison rather than a single month. January, August, December sit closest to 20 °C on average, April is the warmest month and December the driest. The month-by-month table above has the full picture.

How hot does Bamako get?

In April, the warmest month, daily highs average 39 °C. About 300 days a year pass 30 °C. The highest value in the 1991–2020 record is 43 °C.

How cold does it get in winter?

Nights average 18 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Bamako?

August, averaging 243 mm over 24 days with rain. The driest month is December with 0 mm. The year as a whole averages 773 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Bamako rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

Normal period
1991–2020
Data point
12.609°, -7.975° (the coordinates the reanalysis values are taken for)
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.