Mamou climate — normals and trends

Mamou (Guinea) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.1 °C and it receives 1,938 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is April (27.3 °C on average) and the coldest is August (21.8 °C). Rainfall peaks in August.

Mamou averages 0 frost days, 172 hot days (≥ 30 °C) and 180 rainy days per year.

Mamou has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.

The hottest day of the period reached 39.0 °C (on 8 April 1980) and the coldest 11.6 °C (on 25 November 1974).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

MamouMamou Region

coords
10.38°, -12.09°
period
19402025 · 86 yrs
AwTropical savannaWarmest monthAprilColdest monthAugustWettest monthAugustDriest monthFebruary

Mean daily temperature

24.1°C

Average daily high

29.8°C

Average daily low

19.5°C

Annual rainfall

1,938mm

Sunshine / day

9.9h

Mean relative humidity

68%

Average peak wind

10.2km/h

Seasonal range

5.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

172 d/yr

Rainy days (≥ 1 mm)

180 d/yr

Annual snowfall

0.0 cm

Average feels-like high

32.1 °C

Average feels-like low

21.4 °C

Average peak gust

29.2 km/h

Tropical nights (≥ 20 °C)

153 d/yr

Solar radiation

19.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.76 · p = < 0.001

1940Each stripe is one year, from 1940 (left) to 2025 (right). Blue = colder than the period average, red = warmer.2025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

39.0 °C

8 April 1980

Coldest day

11.6 °C

25 November 1974

Wettest day

203 mm

18 September 2022

Windiest day

31.4 km/h

1 December 1978

Strongest gust

64.8 km/h

28 January 2016

Hottest feels-like

41.5 °C

12 April 2024

Coldest feels-like

9.1 °C

9 January 1957

Sunniest day

12.2 h

28 May 1957

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202537.5 °C12 March 202514.8 °C13 January 202524.8 °C2,131 mm1990
202438.9 °C31 March 202413.9 °C21 December 202425.4 °C1,706 mm2250
202337.1 °C13 March 202313.9 °C29 December 202325.1 °C1,822 mm2240
202238.2 °C26 April 202214.4 °C13 December 202224.8 °C2,047 mm2060
202137.5 °C26 March 202116.3 °C17 January 202125.2 °C1,815 mm2370
202038.5 °C3 April 202014.7 °C2 January 202025.2 °C2,057 mm2340
201937.5 °C17 March 201915.0 °C31 December 201925.0 °C1,991 mm2280
201838.4 °C28 March 201813.8 °C24 December 201824.8 °C1,699 mm2100
201738.1 °C25 April 201713.9 °C12 January 201725.0 °C1,723 mm2210
201638.1 °C18 March 201614.6 °C6 January 201624.8 °C1,723 mm1930
201537.5 °C28 March 201512.7 °C20 December 201524.5 °C1,749 mm1750
201437.7 °C3 April 201413.6 °C31 December 201424.4 °C1,607 mm1670
201338.1 °C10 March 201314.2 °C2 January 201324.5 °C1,849 mm1730
201236.8 °C30 March 201213.9 °C25 December 201224.2 °C2,020 mm1690
201136.3 °C19 March 201114.5 °C18 December 201124.3 °C1,773 mm1870
201037.5 °C17 April 201014.9 °C14 January 201024.6 °C1,933 mm1930
200936.3 °C4 March 200914.9 °C8 January 200924.5 °C1,883 mm1910
200836.0 °C23 April 200814.0 °C9 January 200824.2 °C1,754 mm1950
200737.4 °C4 April 200714.1 °C8 November 200724.5 °C1,548 mm1950
200636.9 °C26 March 200613.7 °C29 December 200624.4 °C1,823 mm1810
200535.9 °C17 March 200515.3 °C28 December 200524.5 °C1,874 mm1840
200435.8 °C16 February 200415.6 °C4 January 200424.4 °C1,750 mm1700
200337.3 °C30 March 200314.2 °C28 December 200324.5 °C1,762 mm1810
200237.8 °C18 April 200214.4 °C28 December 200224.8 °C1,588 mm1940
200137.4 °C25 April 200113.6 °C24 January 200124.4 °C1,718 mm1750
200036.2 °C25 March 200014.0 °C5 December 200024.3 °C1,936 mm1860
199936.4 °C8 March 199913.4 °C21 December 199924.1 °C1,998 mm1640
199837.5 °C5 February 199814.1 °C21 January 199824.9 °C1,598 mm2060
199736.0 °C23 March 199714.3 °C29 December 199724.5 °C1,702 mm1720
199636.9 °C4 May 199614.6 °C13 January 199624.5 °C2,287 mm1810
199537.5 °C13 April 199514.1 °C21 January 199524.2 °C1,875 mm1620
199436.9 °C20 April 199413.8 °C22 November 199424.0 °C1,983 mm1620
199336.6 °C6 March 199313.3 °C29 January 199324.1 °C2,092 mm1650
199236.6 °C3 April 199213.3 °C8 January 199224.0 °C1,956 mm1490
199136.5 °C4 April 199112.4 °C24 December 199124.4 °C1,952 mm1860
199037.1 °C21 April 199014.5 °C29 December 199024.4 °C1,936 mm1860
198938.0 °C21 April 198914.3 °C3 January 198924.3 °C2,216 mm1830
198838.7 °C15 April 198813.0 °C12 December 198824.5 °C1,877 mm1910
198738.8 °C7 April 198715.5 °C10 January 198724.8 °C1,828 mm1940
198638.1 °C15 April 198614.6 °C11 January 198624.0 °C1,970 mm1600
198537.2 °C28 April 198514.5 °C15 December 198524.2 °C1,941 mm1790
198437.9 °C1 April 198413.5 °C24 December 198424.1 °C2,061 mm1490
198338.2 °C26 March 198313.3 °C2 February 198324.5 °C1,808 mm1630
198236.8 °C21 March 198213.1 °C29 December 198223.9 °C2,101 mm1550
198137.4 °C9 March 198112.7 °C7 December 198123.9 °C2,275 mm1640
198039.0 °C8 April 198013.5 °C26 November 198024.4 °C2,163 mm1580
197938.3 °C26 April 197914.6 °C12 December 197924.3 °C2,309 mm1420
197838.3 °C26 March 197813.7 °C7 December 197824.0 °C2,406 mm1590
197736.3 °C9 April 197713.4 °C6 December 197724.2 °C1,817 mm1810
197634.8 °C6 March 197612.7 °C4 December 197623.5 °C2,012 mm1250
197536.5 °C30 April 197513.1 °C16 November 197523.8 °C2,118 mm1580
197436.7 °C24 April 197411.6 °C25 November 197423.7 °C1,863 mm1370
197337.5 °C11 April 197313.6 °C14 December 197324.4 °C2,080 mm1550
197236.2 °C16 April 197213.0 °C3 January 197224.0 °C2,301 mm1610
197136.5 °C17 March 197112.2 °C27 December 197123.6 °C2,189 mm1420
197036.9 °C29 March 197013.6 °C14 December 197024.0 °C1,910 mm1560
196936.6 °C5 March 196913.8 °C9 December 196923.9 °C2,323 mm1680
196836.3 °C6 April 196813.7 °C6 January 196823.8 °C2,160 mm1350
196736.8 °C19 April 196713.5 °C6 January 196723.5 °C2,179 mm1350
196637.2 °C29 April 196612.8 °C7 January 196624.1 °C1,803 mm1900
196536.7 °C1 March 196513.2 °C13 December 196523.6 °C1,602 mm1610
196437.4 °C13 March 196414.8 °C16 December 196423.8 °C2,013 mm1510
196337.2 °C1 April 196313.9 °C12 December 196324.3 °C1,774 mm2090
196236.8 °C2 April 196214.0 °C8 January 196223.6 °C1,879 mm1470
196136.8 °C23 March 196112.6 °C13 December 196123.7 °C1,627 mm1650
196036.7 °C21 April 196013.9 °C19 January 196023.8 °C1,912 mm1550
195937.2 °C7 April 195914.2 °C1 January 195923.6 °C2,054 mm1670
195837.5 °C14 March 195814.2 °C30 December 195823.5 °C1,954 mm1260
195736.1 °C4 April 195712.3 °C10 January 195723.5 °C2,105 mm1550
195637.0 °C10 April 195613.2 °C1 January 195623.3 °C2,099 mm1400
195535.2 °C5 March 195512.5 °C31 December 195523.1 °C2,176 mm1450
195436.7 °C6 March 195413.4 °C4 January 195423.0 °C2,282 mm1290
195337.5 °C26 March 195314.0 °C4 December 195323.9 °C1,970 mm1600
195236.9 °C31 March 195213.7 °C3 January 195223.8 °C2,134 mm1890
195137.4 °C22 March 195113.2 °C12 December 195123.4 °C2,523 mm1540
195036.5 °C1 April 195013.7 °C17 January 195023.4 °C1,823 mm1580
194935.9 °C29 March 194914.6 °C22 January 194923.7 °C1,720 mm1760
194837.1 °C5 April 194813.7 °C16 January 194823.5 °C1,721 mm1580
194737.0 °C23 March 194713.4 °C3 January 194723.9 °C1,892 mm1880
194636.7 °C16 March 194613.5 °C30 December 194623.3 °C1,881 mm1620
194536.2 °C9 April 194514.6 °C25 December 194523.4 °C1,585 mm1660
194435.5 °C17 March 194413.3 °C20 December 194423.2 °C2,086 mm1340
194337.0 °C19 April 194312.9 °C29 November 194322.9 °C2,105 mm1290
194236.8 °C8 April 194213.1 °C18 December 194223.3 °C1,798 mm1620
194137.2 °C29 March 194113.7 °C1 January 194123.9 °C1,855 mm1750
194036.0 °C5 March 194014.2 °C31 December 194023.4 °C1,727 mm1570

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Across the whole year

Average daily high
30.3 °C
+0.5 °C
Hot days (≥ 30 °C)
199 d/yr
+27
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
2131 mm
+193 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan32.4 °C+1.0 °C0 mm-3 mm
Feb34.0 °C+0.7 °C0 mm-2 mm
Mar35.4 °C+0.9 °C15 mm+5 mm
Apr33.8 °C-0.1 °C83 mm+37 mm
May30.3 °C-0.3 °C179 mm+6 mm
Jun28.7 °C+0.8 °C205 mm-95 mm
Jul26.1 °C0.0 °C355 mm-13 mm
Aug26.0 °C+0.5 °C618 mm+194 mm
Sep27.4 °C+0.6 °C495 mm+135 mm
Oct29.5 °C+1.3 °C134 mm-71 mm
Nov29.7 °C+0.3 °C47 mm+2 mm
Dec31.0 °C+0.6 °C2 mm-3 mm

The year's extremes

Hottest day
37.5 °C
12 Mar 2025
Coldest day
14.8 °C
13 Jan 2025
Wettest day
99.2 mm
20 Aug 2025
Windiest day
17.8 km/h
18 Sep 2025
Strongest gust
54.0 km/h
9 Oct 2025
Hottest feels-like
39.6 °C
13 Mar 2025
Coldest feels-like
13.0 °C
13 Jan 2025
Sunniest day
12.1 h
8 Jun 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Mamou?

Mamou has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.1 °C and it receives 1,938 mm of precipitation per year.

What is the hottest day ever recorded in Mamou?

The hottest day measured in Mamou between 1940 and 2025 was 8 April 1980, reaching 39.0 °C.

What is the coldest day in Mamou?

The coldest day measured in Mamou between 1940 and 2025 was 25 November 1974, at 11.6 °C.

Does it snow in Mamou?

Almost never: Mamou sees virtually no snow, with about 0 frost days per year.

Has the climate of Mamou warmed?

Yes: Mamou warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Mamou?

The wettest day measured in Mamou between 1940 and 2025 was 18 September 2022, with 203 mm of rain in 24 hours.

What was the windiest day in Mamou?

The windiest day measured in Mamou between 1940 and 2025 was 1 December 1978, with winds reaching 31.4 km/h.

What is the warmest month in Mamou?

The warmest month in Mamou is April (27.3 °C on average); the coldest is August (21.8 °C).

How much does it rain in Mamou?

Mamou receives on average 1,938 mm of precipitation per year, spread over about 180 rainy days.

Is it sunny in Mamou?

Mamou gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

Are there tropical nights in Mamou?

Yes: Mamou has on average 153 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Mamou?

In Mamou, between 1940 and 2025, the highest apparent temperature reached 41.5 °C on 12 April 2024, and the lowest was 9.1 °C on 9 January 1957.

Compare Mamou with another city

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Nearby cities

The climate around Mamou

Other cities — Guinea