Gemena weather in December

In December, Gemena sees average daytime highs of 31°C and overnight lows near 21°C, with 44 mm of rain across 8.5 wet days and about 11.8 hours of daylight. It is the 5th-warmest and 11th-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 24% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of December to 11 h 48 min by month's end. Set against the rest of the year, December is Gemena's 2nd-clearest and 5th-windiest month. For the whole year in context, see Gemena's year-round climate.

Daytime high
31°
5th warmest
Overnight low
21°
2nd coldest
Rainfall
44 mm
8.5 wet days
Daylight
11 h 48 min
5:43 AM – 5:31 PM
Cloud cover
63%
2nd clearest
Wind
6 km/h
5th windiest
Solar energy
5.33 kWh/m²
Travel score
4.7
out of 10

Gemena is town in the northwest of the Democratic Republic of Congo.

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 Gemena reaches about 31°C in the afternoon and slips back to 21°C overnight — a 10°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 about 1°C cooler than January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13021
23021
33021
43021
53021
63021
73021
83021
93021
103121
113121
123121
133121
143121
153121
163121
173121
183121
193121
203121
213121
223121
233121
243121
253121
263121
273121
283121
293121
303121
313121

How December really feels in Gemena

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.

Gemena weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 21°275.711.84.3
Feb33° / 22°518.611.93.5
Mar32° / 23°13217.2123.1
Apr31° / 23°1381912.13.3
May31° / 23°1141912.13.6
Jun30° / 22°9618.212.23.9
Jul29° / 22°12321.412.23.9
Aug29° / 21°16224.812.13.6
Sep29° / 21°15923.6123.5
Oct29° / 22°18225.411.93.4
Nov30° / 22°13821.311.93.6
Dec31° / 21°448.511.84.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% 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 56%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33664
43763
53763
63862
73862
83961
93961
104159
114258
124258
134357
144456
154555
164654
174753
184753
194753
204753
214753
224852
234951
244852
254852
264852
274852
284852
294951
304852
315050

Chance of precipitation in December

Any precipitation

Gemena gets around 44 mm of rain over 8.5 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 28% and peaks near 47% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
147
246
344
443
541
640
739
837
936
1034
1133
1231
1330
1429
1527
1626
1725
1823
1922
2021
2120
2219
2319
2418
2517
2617
2717
2817
2916
3016
3116

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 63% of days. Sticky, muggy-or-worse air turns up on roughly 88% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10021286
20021385
30021484
40131581
50131680
60131779
70131779
80141877
90241975
100242074
110242173
120252370
130252469
140362566
150362665
160372763
170472762
180482860
190492958
200593056
2105103154
2205113252
2315113251
2416123349
2516123348
2626123347
2727123345
2827133444
2938133443
3049133341
3149123441

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 5 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
15calm
25calm
35calm
45calm
55calm
65calm
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 48 min at the start of December to 11 h 48 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 5:36 AM to 5:50 AM, and sunset from 5:25 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:365:25
211.85:365:26
311.85:375:26
411.85:375:26
511.85:385:27
611.85:385:27
711.85:395:28
811.85:395:28
911.85:395:28
1011.85:405:29
1111.85:405:29
1211.85:415:30
1311.85:415:30
1411.85:425:31
1511.85:425:31
1611.85:435:31
1711.85:435:32
1811.85:445:32
1911.85:445:33
2011.85:455:33
2111.85:455:34
2211.85:465:34
2311.85:465:35
2411.85:465:35
2511.85:475:36
2611.85:475:36
2711.85:485:37
2811.85:485:37
2911.85:495:38
3011.85:495:38
3111.85:505:38

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.33 kWh/m².

For context, solar energy here swings from a low near 4.91 kWh/m² to a high of 5.81 kWh/m² in February across the year — December's 5.33 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.6Bright
315.6Bright
Planning a trip in December

Is December a good time to visit Gemena?

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

4.7
Sightseeing
1st-best month of the year
6.8
Beach & pool
2nd-best month of the year

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

What to pack for Gemena in December

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

In December, Gemena sees daytime highs around 31°C and nights near 21°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Gemena 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 Gemena peaks around April 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 highApr 17UV 13Dec 15UV 8
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar10Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul9Very high
Aug12Extreme
Sep12Extreme
Oct13Extreme
Nov10Very high
Dec8Very high

Air quality in Gemena 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 Gemena is worst in February — around 95 µg/m³ PM2.5 (unhealthy), about 7.1× the cleanest month (October, 14 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModerateFeb 1792 µg/m³Oct 1114 µg/m³
PM2.5 (µg/m³)Level
Jan62Unhealthy
Feb95Unhealthy
Mar75Unhealthy
Apr29Moderate
May17Moderate
Jun21Moderate
Jul22Moderate
Aug18Moderate
Sep14Moderate
Oct14Moderate
Nov20Moderate
Dec33Moderate
Location & terrain

Where is Gemena?

Gemena sits at 3.3°N, 19.8°E, 420 m above sea level, in Democratic Republic of the Congo. The nearest listed city is Businga, 124 km away.

BusingaBingaLibengeMindouliBétouGbadoliteZongoBangui

Topography around Gemena

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

Within 3 km, the terrain around Gemena has only modest variations in elevation — a maximum elevation change of 145 m around an average of 414 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 205 m; within 80 km, significant variations in elevation — a maximum elevation change of 283 m.

The land around Gemena is covered by artificial surfaces (38%), trees (35%) and grassland (26%) within 3 km, grassland (51%) and trees (47%) within 16 km, and trees (67%) and grassland (32%) within 80 km.

3 km
145 m
16 km
205 m
80 km
283 m
treesshrubsgrasslandartificial surfaces
December weather nearby: Businga 124 km · Binga 127 km · Libenge 134 km · Mindouli 141 km · Bétou 141 km · Gbadolite 178 km · Zongo 178 km · Bangui 183 km

Democratic Republic of the Congo travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 42% of US
price level, 2025
GDP per capita
$807
2025
Happiness
3.8 / 10
World Happiness, 2025
Safe drinking water
12%
of population, 2024
Road deaths
34.9
per 100k/yr, 2019
Income group
Low
World Bank
English
Very low
EF EPI 400

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 Gemena (3.2565°, 19.7723°, elevation 420 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).