Owendo weather in December

In December, Owendo sees average daytime highs of 29°C and overnight lows near 24°C, with 311 mm of rain across 30.2 wet days and about 12 hours of daylight. It is the 6th-warmest and 3rd-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 1% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of December to 12 hours by month's end. Set against the rest of the year, December is Owendo's 2nd-clearest and 8th-windiest month. For the whole year in context, see Owendo's year-round climate.

Daytime high
29°
6th warmest
Overnight low
24°
7th coldest
Rainfall
311 mm
30.2 wet days
Daylight
12 hours
6:19 AM – 6:18 PM
Cloud cover
81%
2nd clearest
Wind
6 km/h
8th windiest
Solar energy
4.41 kWh/m²
Travel score
2.9
out of 10

Owendo is place in Estuaire Province, 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 29°C through the month.

A typical December day in Owendo 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 30°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
192924
202924
212924
222924
232924
242924
252924
262924
272924
282924
292924
302924
312924

How December really feels in Owendo

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.

Owendo weather by month

How December compares with the rest of the year at a glance. December is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°24729.1122.9
Feb30° / 24°21625.7122.8
Mar30° / 25°26728.8122.7
Apr30° / 25°25527.3122.7
May30° / 24°22426.2123.2
Jun28° / 23°6611125.6
Jul27° / 23°265.6126.6
Aug28° / 23°276.7126.4
Sep28° / 24°12320.2124.2
Oct29° / 24°33530.2123.0
Nov29° / 24°38229.7122.8
Dec29° / 24°31130.2122.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 10% of December, with mostly cloudy or overcast conditions the remaining 89%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2892
3892
4892
5892
6991
7991
81090
91090
101090
111189
121189
131189
141189
151288
161288
171288
181387
191387
201387
211387
221387
231387
241387
251387
261288
271288
281288
291288
301387
311387

Chance of precipitation in December

Any precipitation

Owendo gets around 311 mm of rain over 30.2 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 97% and peaks near 99% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
199
299
399
499
599
699
799
899
999
1098
1198
1298
1397
1497
1597
1697
1797
1896
1996
2096
2196
2296
2396
2496
2596
2696
2796
2897
2997
3097
3197

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 56% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
16436
26436
36436
46436
56337
66337
76337
86238
96238
106139
116040
125941
135941
145842
155644
165545
175446
185347
195248
205248
215149
225050
235050
244951
254951
264951
274951
284951
295050
305050
315050

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 6 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
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 hours at the start of December to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:12 AM to 6:26 AM, and sunset from 6:11 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:126:11
212.06:136:12
312.06:136:12
412.06:136:12
512.06:146:13
612.06:146:13
712.06:156:14
812.06:156:14
912.06:156:15
1012.06:166:15
1112.06:166:15
1212.06:176:16
1312.06:176:16
1412.06:186:17
1512.06:186:17
1612.06:196:18
1712.06:196:18
1812.06:206:19
1912.06:206:19
2012.06:216:20
2112.06:216:20
2212.06:216:20
2312.06:226:21
2412.06:226:21
2512.06:236:22
2612.06:236:22
2712.06:246:23
2812.06:246:23
2912.06:256:24
3012.06:256:24
3112.06:266:25

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.41 kWh/m².

For context, solar energy here swings from a low near 4.01 kWh/m² to a high of 4.95 kWh/m² in March across the year — December's 4.41 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in December

Hazard calendar for Owendo

In seasonPeak

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

Owendo'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 Owendo?

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

2.9
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 Owendo.

What to pack for Owendo in December

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

In December, Owendo sees daytime highs around 29°C and nights near 24°C. Pack light clothes and rain gear. About 30 days see rain.

light clothesrain gear

Sea temperature near Owendo in December

The nearest coast averages about 28°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 km away) is warmest in March at about 29°C and coldest in August near 25°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug25Warm
Sep26Warm
Oct27Warm
Nov28Warm
Dec28Tropical

UV index in Owendo in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Owendo peaks around March 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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 highExtremeVery highMar 20UV 13Jun 19UV 8
UV index (midday)Level
Jan11Extreme
Feb11Extreme
Mar13Extreme
Apr12Extreme
May11Extreme
Jun8Very high
Jul9Very high
Aug9Very high
Sep12Extreme
Oct13Extreme
Nov11Extreme
Dec9Very high

Air quality in Owendo 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 Owendo is worst in February — around 47 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (September, 22 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateFeb 1346 µg/m³Sep 2222 µg/m³
PM2.5 (µg/m³)Level
Jan41Poor
Feb47Poor
Mar38Poor
Apr34Moderate
May33Moderate
Jun35Moderate
Jul33Moderate
Aug28Moderate
Sep22Moderate
Oct23Moderate
Nov28Moderate
Dec37Poor
Location & terrain

Where is Owendo?

Owendo sits at 0.3°N, 9.5°E, 6 m above sea level, in Gabon. The nearest listed city is Libreville, 13 km away.

AkandaLambarénéPort-GentilOyamBataCiudad de la Paz

Topography around Owendo

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

Within 3 km, the terrain around Owendo has only modest variations in elevation — a maximum elevation change of 64 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 112 m; within 80 km, large variations in elevation — a maximum elevation change of 709 m.

The land around Owendo is covered by water (67%) within 3 km, water (57%) and trees (20%) within 16 km, and trees (54%) and water (38%) within 80 km.

3 km
64 m
16 km
112 m
80 km
709 m
treesgrasslandartificial surfacesbare terrainwatermangroves
December weather nearby: Libreville 13 km · Ntoum 31 km · Akanda 40 km · Lambaréné 137 km · Port-Gentil 138 km · Oyam 142 km · Bata 177 km · Ciudad de la Paz 206 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 Owendo (0.2912°, 9.5046°, elevation 6 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. 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. 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).