Inongo weather in December

In December, Inongo sees average daytime highs of 29°C and overnight lows near 25°C, with 205 mm of rain across 24.7 wet days and about 12.1 hours of daylight. It is the 9th-warmest and 2nd-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 9% 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 Inongo's 7th-clearest and 11th-windiest month. For the whole year in context, see Inongo's year-round climate.

Daytime high
29°
9th warmest
Overnight low
25°
5th coldest
Rainfall
205 mm
24.7 wet days
Daylight
12 h 06 min
5:40 AM – 5:46 PM
Cloud cover
77%
7th clearest
Wind
7 km/h
11th windiest
Solar energy
5.15 kWh/m²
Travel score
3.7
out of 10

Inongo is capital of Mai-Ndombe province, DR 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 29°C through the month.

A typical December day in Inongo reaches about 29°C in the afternoon and slips back to 25°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 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)
12825
22825
32825
42825
52825
62925
72925
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925
312925

How December really feels in Inongo

Once humidity and wind are folded in, December averages 13 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
13
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.

Inongo weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 26°15519.112.14.0
Feb30° / 26°14917.612.13.8
Mar29° / 26°17621.6123.7
Apr29° / 26°17622.4123.7
May29° / 26°12220.511.94.1
Jun29° / 26°5311.811.95.1
Jul29° / 25°5311.711.95.2
Aug29° / 25°11418.711.94.4
Sep29° / 25°18724.4123.7
Oct28° / 25°21626.9123.5
Nov28° / 25°20425.312.13.6
Dec29° / 25°20524.712.13.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 75%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32476
42476
52476
62476
72476
82575
92575
102575
112575
122575
132575
142575
152575
162575
172575
182575
192575
202575
212575
222575
232476
242476
252476
262476
272476
282476
292476
302476
312575

Chance of precipitation in December

Any precipitation

Inongo gets around 205 mm of rain over 24.7 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 79% and peaks near 85% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
185
285
385
485
585
684
784
883
983
1082
1181
1281
1380
1480
1579
1679
1778
1878
1977
2077
2177
2276
2376
2475
2575
2674
2774
2873
2972
3072
3171

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
Muggy (%)Oppressive (%)Miserable (%)
10991
20991
30991
40991
50991
61981
71981
81981
91981
101981
111981
121981
131981
142971
152971
162971
172971
182971
192971
202971
212971
222971
232971
242962
252962
262962
272962
282962
292962
302962
313952

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 7 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
267calm
277calm
287calm
297calm
307calm
317calm

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 5:33 AM to 5:47 AM, and sunset from 5:40 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:335:40
212.15:345:40
312.15:345:41
412.15:355:41
512.15:355:41
612.15:355:42
712.15:365:42
812.15:365:43
912.15:375:43
1012.15:375:44
1112.15:375:44
1212.15:385:44
1312.15:385:45
1412.15:395:45
1512.15:395:46
1612.15:405:46
1712.15:405:47
1812.15:415:47
1912.15:415:48
2012.15:425:48
2112.15:425:49
2212.15:425:49
2312.15:435:50
2412.15:435:50
2512.15:445:51
2612.15:445:51
2712.15:455:51
2812.15:455:52
2912.15:465:52
3012.15:465:53
3112.15:475:53

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.15 kWh/m².

For context, solar energy here swings from a low near 5.14 kWh/m² to a high of 5.6 kWh/m² in February across the year — December's 5.15 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in December

Is December a good time to visit Inongo?

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

3.7
Sightseeing
7th-best month of the year
4.6
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Inongo.

What to pack for Inongo in December

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

In December, Inongo sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Inongo 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 Inongo peaks around March 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 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 highExtremeVery highMar 19UV 13Jul 13UV 7
UV index (midday)Level
Jan12Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May10Very high
Jun8Very high
Jul7Very high
Aug8Very high
Sep11Extreme
Oct13Extreme
Nov10Extreme
Dec9Very high

Air quality in Inongo 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 Inongo is worst in August — around 61 µg/m³ PM2.5 (unhealthy), about 4.9× the cleanest month (November, 13 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateAug 1359 µg/m³Nov 913 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb28Moderate
Mar23Moderate
Apr16Moderate
May22Moderate
Jun37Poor
Jul49Poor
Aug61Unhealthy
Sep29Moderate
Oct13Moderate
Nov13Moderate
Dec18Moderate
Location & terrain

Where is Inongo?

Inongo sits at 1.9°S, 18.3°E, 318 m above sea level, in Democratic Republic of the Congo. The nearest listed city is Kutu, 90 km away.

MossakaBandundu ProvinceMushieDunguBolengeMbandaka

Topography around Inongo

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

Within 3 km, the terrain around Inongo has only modest variations in elevation — a maximum elevation change of 41 m around an average of 305 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 56 m; within 80 km, only modest variations in elevation — a maximum elevation change of 79 m.

The land around Inongo is covered by trees (48%) and water (29%) within 3 km, water (53%) and trees (44%) within 16 km, and trees (80%) within 80 km.

3 km
41 m
16 km
56 m
80 km
79 m
treesshrubsgrasslandartificial surfaceswaterwetland
December weather nearby: Kutu 90 km · Nioki 110 km · Mossaka 183 km · Bandundu Province 184 km · Mushie 194 km · Dungu 199 km · Bolenge 214 km · Mbandaka 220 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 Inongo (-1.9275°, 18.2881°, elevation 318 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).