Mamou weather in December

In December, Mamou sees average daytime highs of 31°C and overnight lows near 18°C, with 2 mm of rain across 0.7 wet days and about 11.4 hours of daylight. It is the 5th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 55% of the time in December, and the air most often feels dry.

Daylight stretches from about 11 h 24 min at the start of December to 11 h 24 min by month's end. Set against the rest of the year, December is Mamou's 3rd-clearest and 7th-windiest month. For the whole year in context, see Mamou's year-round climate.

Daytime high
31°
5th warmest
Overnight low
18°
1st coldest
Rainfall
2 mm
0.7 wet days
Daylight
11 h 24 min
7:03 AM – 6:26 PM
Cloud cover
39%
3rd clearest
Wind
6 km/h
7th windiest
Solar energy
5.55 kWh/m²
Travel score
5.8
out of 10

Mamou is human settlement.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical December day in Mamou reaches about 31°C in the afternoon and slips back to 18°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, December runs about 1°C warmer than November and on par with January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13118
23118
33118
43118
53118
63118
73118
83118
93118
103118
113118
123118
133118
143118
153118
163118
173118
183118
193118
203117
213117
223117
233117
243117
253117
263117
273117
283117
293117
303117
313117

How December really feels in Mamou

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Mamou weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 18°40.911.55.5
Feb33° / 19°20.811.74.3
Mar35° / 21°112.511.93.3
Apr34° / 22°426.212.23.3
May31° / 22°16519.612.53.5
Jun28° / 21°28227.412.63.5
Jul27° / 20°34929.912.53.4
Aug26° / 20°4143012.33.4
Sep27° / 20°33428.212.13.5
Oct29° / 20°19924.811.83.7
Nov30° / 19°365.511.55.5
Dec31° / 18°20.711.45.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26733
36733
46733
56733
66733
76733
86733
96832
106733
116733
126733
136733
146832
156832
166931
177030
187129
197129
207228
217327
227426
237426
247525
257525
267624
277624
287723
297624
307624
317525

Chance of precipitation in December

Any precipitation

Mamou gets around 2 mm of rain over 0.7 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 2% and peaks near 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
25
35
45
54
64
74
83
93
103
113
123
132
142
152
162
172
182
192
202
212
222
231
241
251
261
271
281
291
301
311

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 64% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
131242718
234242616
336242515
439242413
542242311
644242210
74724218
84923207
95123206
105422195
115522185
125821174
136020164
146220153
156419143
166618133
176817123
186917113
197216102
207315102
21751492
22771382
23781372
24801262
25811162
26831151
27841051
28851041
2986941
3086941
3186941

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
287calm
297calm
307calm
317calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 24 min at the start of December to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:55 AM to 7:09 AM, and sunset from 6:21 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:556:21
211.46:566:21
311.46:566:22
411.46:576:22
511.46:576:22
611.46:586:23
711.46:586:23
811.46:596:23
911.46:596:24
1011.47:006:24
1111.47:006:24
1211.47:016:25
1311.47:016:25
1411.47:026:26
1511.47:026:26
1611.47:036:26
1711.47:036:27
1811.47:046:27
1911.47:046:28
2011.47:056:28
2111.47:056:29
2211.47:066:29
2311.47:066:30
2411.47:066:30
2511.47:076:31
2611.47:076:31
2711.47:086:32
2811.47:086:32
2911.47:096:33
3011.47:096:33
3111.47:096:34

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.55 kWh/m².

For context, solar energy here swings from a low near 3.93 kWh/m² to a high of 6.66 kWh/m² in March across the year — December's 5.55 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in December

Hazard calendar for Mamou

In seasonPeak

None of Mamou's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Mamou's monsoon runs June–October, when most of the year's rain falls.

Mamou sees seasonal dust haze (March–June), heaviest in June.

Monsoon
Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Mamou?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.8
Sightseeing
1st-best month of the year
8.4
Beach & pool
1st-best month of the year

December is a reasonable time to visit Mamou for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Mamou in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Mamou sees daytime highs around 31°C and nights near 18°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Mamou in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mamou peaks around March 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 16UV 14Dec 16UV 8
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar14Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct12Extreme
Nov9Very high
Dec8Very high

Air quality in Mamou in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Mamou is worst in April — around 145 µg/m³ PM2.5 (unhealthy), about 12.0× the cleanest month (August, 12 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModeratePoorApr 15134 µg/m³Aug 1512 µg/m³
PM2.5 (µg/m³)Level
Jan51Poor
Feb70Unhealthy
Mar63Unhealthy
Apr145Unhealthy
May44Poor
Jun25Moderate
Jul15Moderate
Aug12Good
Sep16Moderate
Oct29Moderate
Nov38Poor
Dec42Poor
Location & terrain

Where is Mamou?

Mamou sits at 10.4°N, 12.1°W, 720 m above sea level, in Guinea. The nearest listed city is Kolenté, 39 km away.

PitaArfa MoussaïaKindiaDogometKabalaLabéDabola

Topography around Mamou

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mamou.

Within 3 km, the terrain around Mamou has only modest variations in elevation — a maximum elevation change of 203 m around an average of 747 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 549 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,376 m.

The land around Mamou is covered by grassland (37%), artificial surfaces (34%) and trees (28%) within 3 km, trees (65%) and grassland (30%) within 16 km, and trees (64%) and grassland (27%) within 80 km.

3 km
203 m
16 km
549 m
80 km
1,376 m
treesshrubsgrasslandartificial surfaces
December weather nearby: Kolenté 39 km · Pita 83 km · Arfa Moussaïa 90 km · Kindia 92 km · Dogomet 103 km · Kabala 106 km · Labé 107 km · Dabola 115 km

Guinea travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / K
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$1,877
2025
Happiness
4.6 / 10
World Happiness, 2025
Road deaths
29.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Muslim 85%Christian 13%none 1%animist 0%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Mamou (10.3755°, -12.0915°, elevation 720 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).