Moutsamoudou weather in December

In December, Moutsamoudou sees average daytime highs of 29°C and overnight lows near 24°C, with 174 mm of rain across 22.3 wet days and about 12.7 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 17% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 42 min at the start of December to 12 h 42 min by month's end. Set against the rest of the year, December is Moutsamoudou's 9th-clearest and 11th-windiest month. For the whole year in context, see Moutsamoudou's year-round climate.

Daytime high
29°
1st warmest
Overnight low
24°
9th coldest
Rainfall
174 mm
22.3 wet days
Daylight
12 h 42 min
5:37 AM – 6:20 PM
Cloud cover
67%
9th clearest
Wind
7 km/h
11th windiest
Solar energy
6.15 kWh/m²
Travel score
3.9
out of 10

Moutsamoudou is city in Anjouan, Comoros.

Density
877/km²
people per km²
Founded
1482

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 29°C through the month.

A typical December day in Moutsamoudou reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12924
22924
32924
42924
52924
62924
72924
82924
92924
102924
112924
122924
132924
142924
152924
162924
172924
182924
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925
312925

How December really feels in Moutsamoudou

Once humidity and wind are folded in, December averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Moutsamoudou weather by month

How December compares with the rest of the year at a glance. December is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°24924.512.63.5
Feb29° / 25°22622.912.43.5
Mar29° / 25°20526.512.13.4
Apr29° / 24°1032011.74.2
May28° / 24°3811.511.45.9
Jun27° / 22°207.411.37.1
Jul27° / 21°175.611.47.5
Aug27° / 21°175.511.67.5
Sep28° / 21°237.811.97.0
Oct29° / 23°4210.612.35.8
Nov29° / 24°7316.212.64.7
Dec29° / 24°17422.312.73.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25248
35149
45050
54951
64852
74852
84654
94555
104357
114357
124258
134159
143961
153862
163763
173664
183664
193466
203268
213268
223169
232971
242872
252872
262773
272575
282575
292476
302377
312377

Chance of precipitation in December

Any precipitation

Moutsamoudou gets around 174 mm of rain over 22.3 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 71% and peaks near 78% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
164
265
366
466
566
667
767
867
968
1068
1168
1269
1369
1469
1570
1670
1771
1871
1972
2073
2174
2274
2375
2476
2576
2677
2777
2877
2978
3078
3178

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 90% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
117830
216840
315841
414851
513861
612871
711881
810891
910891
109901
118911
128911
137912
147912
156922
166922
175932
185932
194942
204933
213943
223943
233934
242944
252935
262926
272926
281927
291927
301918
311918

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 42 min at the start of December to 12 h 42 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 5:32 AM to 5:44 AM, and sunset from 6:12 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:326:12
212.75:326:13
312.75:336:13
412.75:336:14
512.75:336:14
612.75:346:15
712.75:346:15
812.75:346:16
912.75:356:16
1012.75:356:17
1112.75:356:17
1212.75:366:18
1312.75:366:18
1412.75:366:19
1512.75:376:19
1612.75:376:20
1712.75:386:20
1812.75:386:21
1912.75:396:21
2012.75:396:22
2112.75:396:22
2212.75:406:23
2312.75:406:23
2412.75:416:24
2512.75:416:24
2612.75:426:25
2712.75:426:25
2812.75:436:26
2912.75:436:26
3012.75:446:26
3112.75:446:27

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.15 kWh/m².

For context, solar energy here swings from a low near 4.67 kWh/m² to a high of 6.51 kWh/m² in November across the year — December's 6.15 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.0Intense
226.0Intense
236.0Intense
246.0Bright
256.0Bright
266.0Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in December

Hazard calendar for Moutsamoudou

In seasonPeak

In December, Moutsamoudou sits inside its cyclone and monsoon season. The full year is below, with each hazard's peak months called out.

Moutsamoudou sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Moutsamoudou's monsoon runs December–March, when most of the year's rain falls.

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

Is December a good time to visit Moutsamoudou?

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

3.9
Sightseeing
9th-best month of the year
5.1
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Moutsamoudou.

What to pack for Moutsamoudou in December

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

In December, Moutsamoudou sees daytime highs around 29°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 22 days see rain.

light clothesrain gearsun protection

Sea temperature near Moutsamoudou in December

The nearest coast averages about 29°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in March at about 29°C and coldest in August near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov28Warm
Dec29Tropical

UV index in Moutsamoudou in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Moutsamoudou peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 21UV 15Jun 20UV 9
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar14Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug11Extreme
Sep13Extreme
Oct13Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Moutsamoudou?

Moutsamoudou sits at 12.2°S, 44.4°E, 61 m above sea level, in Comoros. The nearest listed city is Fomboni, 73 km away.

FomboniMoroni

Topography around Moutsamoudou

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

Within 3 km, the terrain around Moutsamoudou has large variations in elevation — a maximum elevation change of 672 m around an average of 125 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,576 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,506 m.

The land around Moutsamoudou is covered by water (46%) and trees (45%) within 3 km, water (59%) and trees (38%) within 16 km, and water (95%) within 80 km.

3 km
672 m
16 km
1,576 m
80 km
1,506 m
treesshrubsgrasslandartificial surfaceswater
December weather nearby: Fomboni 73 km · Koungou 108 km · Kaouéni 112 km · Mtsapéré 112 km · Mamoudzou 113 km · Dzaoudzi 116 km · Labattoir 117 km · Moroni 135 km

Comoros travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 49% of US
price level, 2025
GDP per capita
$2,056
2025
Happiness
3.9 / 10
World Happiness, 2025
Road deaths
26.6
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Muslim 98%ethnic religionist 1%Christian 1%other 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 Moutsamoudou (-12.1667°, 44.3994°, elevation 61 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).