Bata weather in December

In December, Bata sees average daytime highs of 28°C and overnight lows near 24°C, with 213 mm of rain across 29.7 wet days and about 11.9 hours of daylight. It is the 6th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°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 11 h 54 min at the start of December to 11 h 54 min by month's end. Set against the rest of the year, December is Bata's 1st-clearest and 10th-windiest month. For the whole year in context, see Bata's year-round climate.

Daytime high
28°
6th warmest
Overnight low
24°
7th coldest
Rainfall
213 mm
29.7 wet days
Daylight
11 h 54 min
6:20 AM – 6:14 PM
Cloud cover
78%
1st clearest
Wind
6 km/h
10th windiest
Solar energy
4.17 kWh/m²
Travel score
3.2
out of 10

Bata is most populous city in Equatorial Guinea.

Density
69/km²
people per km²
Founded
1851

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 28°C through the month.

A typical December day in Bata reaches about 28°C in the afternoon and slips back to 24°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, December runs on par with November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12824
22824
32824
42824
52824
62824
72824
82824
92824
102824
112824
122824
132824
142824
152824
162824
172824
182824
192824
202824
212824
222824
232824
242824
252824
262824
272824
282824
292824
302824
312824

How December really feels in Bata

Once humidity and wind are folded in, December averages 9 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
9
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.

Bata weather by month

How December compares with the rest of the year at a glance. December is the 6th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°16428.211.93.3
Feb29° / 25°16825.811.93.1
Mar29° / 25°23628.6122.9
Apr29° / 25°25628.1122.9
May29° / 25°26529.512.13.0
Jun27° / 24°17922.412.14.3
Jul26° / 23°11017.212.15.2
Aug26° / 23°9619.712.14.8
Sep27° / 24°24527.6123.6
Oct28° / 24°33530.7123.2
Nov28° / 24°32529.811.93.2
Dec28° / 24°21329.711.93.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 82%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21387
31486
41486
51585
61585
71684
81684
91783
101783
111783
121783
131882
141783
151783
161783
171783
181783
191783
201783
211882
221981
231882
241981
251981
262080
272080
282179
292179
302179
312278

Chance of precipitation in December

Any precipitation

Bata gets around 213 mm of rain over 29.7 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 96% and peaks near 99% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
199
299
399
499
598
698
798
897
997
1097
1196
1296
1396
1496
1595
1695
1795
1895
1995
2095
2195
2294
2394
2494
2594
2694
2794
2894
2994
3093
3193

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 78% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
18020
28020
38020
48020
58020
68119
78119
88119
98119
108119
118119
128119
138020
148020
157921
167822
177822
187723
197624
207525
217525
227426
237426
247426
257426
267426
277426
287426
297426
307426
317426

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 11 h 54 min at the start of December to 11 h 54 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 6:14 AM to 6:27 AM, and sunset from 6:08 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:146:08
211.96:146:08
311.96:156:08
411.96:156:09
511.96:156:09
611.96:166:10
711.96:166:10
811.96:176:10
911.96:176:11
1011.96:186:11
1111.96:186:12
1211.96:186:12
1311.96:196:13
1411.96:196:13
1511.96:206:13
1611.96:206:14
1711.96:216:14
1811.96:216:15
1911.96:226:15
2011.96:226:16
2111.96:236:16
2211.96:236:17
2311.96:246:17
2411.96:246:18
2511.96:256:18
2611.96:256:19
2711.96:256:19
2811.96:266:20
2911.96:266:20
3011.96:276:20
3111.96:276:21

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.17 kWh/m².

For context, solar energy here swings from a low near 3.61 kWh/m² to a high of 4.8 kWh/m² in March across the year — December's 4.17 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
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in December

Is December a good time to visit Bata?

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

3.2
Sightseeing
6th-best month of the year
3.7
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Bata.

What to pack for Bata in December

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

In December, Bata sees daytime highs around 28°C and nights near 24°C. Pack light clothes and rain gear. About 30 days see rain.

light clothesrain gear

Sea temperature near Bata 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 16 km away) 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
May29Tropical
Jun28Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov28Warm
Dec28Tropical

UV index in Bata 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 Bata peaks around March 24 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 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 highExtremeVery highMar 24UV 13Dec 18UV 9
UV index (midday)Level
Jan10Extreme
Feb11Extreme
Mar14Extreme
Apr13Extreme
May11Extreme
Jun9Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov11Extreme
Dec9Very high

Air quality in Bata 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 Bata is worst in February — around 39 µg/m³ PM2.5 (poor), about 3.8× the cleanest month (October, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateGoodModerateFeb 1238 µg/m³Oct 1210 µg/m³
PM2.5 (µg/m³)Level
Jan34Moderate
Feb39Poor
Mar27Moderate
Apr20Moderate
May17Moderate
Jun21Moderate
Jul22Moderate
Aug17Moderate
Sep11Good
Oct10Good
Nov15Moderate
Dec27Moderate
Location & terrain

Where is Bata?

Bata sits at 1.9°N, 9.8°E, 13 m above sea level, in Equatorial Guinea. The nearest listed city is Kribi, 120 km away.

KribiCiudad de la PazEbebiyinAmbam

Topography around Bata

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

Within 3 km, the terrain around Bata has only modest variations in elevation — a maximum elevation change of 40 m around an average of 9 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 380 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,211 m.

The land around Bata is covered by water (47%) and artificial surfaces (41%) within 3 km, water (49%) and trees (40%) within 16 km, and trees (67%) and water (31%) within 80 km.

3 km
40 m
16 km
380 m
80 km
1,211 m
treesgrasslandartificial surfaceswatermangroves
December weather nearby: Kribi 120 km · Ciudad de la Paz 121 km · Akanda 148 km · Ntoum 164 km · Libreville 167 km · Ebebiyin 177 km · Owendo 177 km · Ambam 178 km

Equatorial Guinea travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$6,615
2025
Road deaths
27.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
Religion
Roman Catholic 88%Protestant 5%other 5%Muslim 2%

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 Bata (1.8639°, 9.7658°, elevation 13 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).