Mouila weather in December

In December, Mouila sees average daytime highs of 30°C and overnight lows near 22°C, with 353 mm of rain across 29.8 wet days and about 12.1 hours of daylight. It is the 7th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 0% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of December to 12 h 06 min by month's end. Set against the rest of the year, December is Mouila's 7th-clearest and 11th-windiest month. For the whole year in context, see Mouila's year-round climate.

Daytime high
30°
7th warmest
Overnight low
22°
7th coldest
Rainfall
353 mm
29.8 wet days
Daylight
12 h 06 min
6:09 AM – 6:15 PM
Cloud cover
86%
7th clearest
Wind
4 km/h
11th windiest
Solar energy
4.09 kWh/m²
Travel score
2.7
out of 10

Mouila is capital of the Ngounié region of Gabon.

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 30°C through the month.

A typical December day in Mouila reaches about 30°C in the afternoon and slips back to 22°C overnight — a 7°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)
12922
22922
32922
42922
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022
313022

How December really feels in Mouila

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.

Mouila weather by month

How December compares with the rest of the year at a glance. December is the 7th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°30129.512.12.6
Feb31° / 23°2632612.12.5
Mar31° / 23°27328.5122.5
Apr31° / 23°23126.6122.6
May30° / 23°20526.911.93.0
Jun28° / 22°5310.211.95.6
Jul27° / 21°184.911.96.6
Aug27° / 21°246.211.96.3
Sep29° / 22°10118.1124.2
Oct30° / 23°29029.3122.8
Nov29° / 22°34729.612.12.7
Dec30° / 22°35329.812.12.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 4% of December, with mostly cloudy or overcast conditions the remaining 96%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1397
2397
3397
4397
5397
6397
7496
8496
9496
10496
11496
12496
13496
14496
15496
16496
17595
18595
19595
20595
21595
22595
23595
24496
25496
26496
27595
28595
29595
30595
31694

Chance of precipitation in December

Any precipitation

Mouila gets around 353 mm of rain over 29.8 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 96% and peaks near 98% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
198
298
397
497
597
697
797
897
997
1097
1196
1296
1396
1496
1596
1696
1796
1896
1995
2095
2195
2295
2395
2495
2595
2696
2796
2896
2996
3096
3196

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1991
2991
3991
4991
5991
6982
7982
8982
9982
10982
11982
12982
13982
14982
15982
16982
17982
18982
19982
20982
21973
22973
23973
24973
25973
26973
27964
28964
29964
30955
31955

Wind in December

Winds average 4 km/h in December.

Across December, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 06 min at the start of December to 12 h 06 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 6:03 AM to 6:16 AM, and sunset from 6:09 PM to 6:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:036:09
212.16:036:09
312.16:036:09
412.16:046:10
512.16:046:10
612.16:046:11
712.16:056:11
812.16:056:11
912.16:066:12
1012.16:066:12
1112.16:066:13
1212.16:076:13
1312.16:076:14
1412.16:086:14
1512.16:086:15
1612.16:096:15
1712.16:096:16
1812.16:106:16
1912.16:106:17
2012.16:116:17
2112.16:116:18
2212.16:126:18
2312.16:126:18
2412.16:126:19
2512.16:136:19
2612.16:136:20
2712.16:146:20
2812.16:146:21
2912.16:156:21
3012.16:156:22
3112.16:166:22

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.09 kWh/m².

For context, solar energy here swings from a low near 3.19 kWh/m² to a high of 4.86 kWh/m² in March across the year — December's 4.09 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.1Bright
114.1Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.1Bright
294.1Bright
304.1Bright
314.2Bright
Planning a trip in December

Hazard calendar for Mouila

In seasonPeak

In December, Mouila sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Mouila's rainy season runs October–May, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Mouila?

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

2.7
Sightseeing
7th-best month of the year
3.7
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Mouila.

What to pack for Mouila in December

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

In December, Mouila sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. About 30 days see rain.

light clothesrain gear

UV index in Mouila in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mouila peaks around March 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 18UV 14Jun 18UV 7
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar15Extreme
Apr13Extreme
May10Extreme
Jun7Very high
Jul9Very high
Aug9Very high
Sep12Extreme
Oct13Extreme
Nov11Extreme
Dec10Very high

Air quality in Mouila 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 Mouila is worst in June — around 23 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (October, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateJun 2323 µg/m³Oct 208 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb23Moderate
Mar15Moderate
Apr12Moderate
May15Moderate
Jun23Moderate
Jul23Moderate
Aug19Moderate
Sep13Moderate
Oct8Good
Nov10Good
Dec15Moderate
Location & terrain

Where is Mouila?

Mouila sits at 1.9°S, 11.1°E, 92 m above sea level, in Gabon. The nearest listed city is Tchibanga, 119 km away.

TchibangaLambarénéKoulamoutouOyamMossendjoMoandaFrancevillePort-Gentil

Topography around Mouila

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

Within 3 km, the terrain around Mouila has only modest variations in elevation — a maximum elevation change of 29 m around an average of 89 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 370 m; within 80 km, large variations in elevation — a maximum elevation change of 893 m.

The land around Mouila is covered by trees (62%) within 3 km, trees (78%) and grassland (21%) within 16 km, and trees (93%) within 80 km.

3 km
29 m
16 km
370 m
80 km
893 m
treesshrubsgrasslandartificial surfaceswater
December weather nearby: Tchibanga 119 km · Lambaréné 158 km · Koulamoutou 176 km · Oyam 190 km · Mossendjo 219 km · Moanda 241 km · Franceville 282 km · Port-Gentil 283 km

Gabon travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 37% of US
price level, 2025
GDP per capita
$8,263
2025
Happiness
5.2 / 10
World Happiness, 2025
Road deaths
23.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
Religion
Protestant 46%Roman Catholic 30%Muslim 11%none 7%

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 Mouila (-1.8685°, 11.0559°, elevation 92 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).