Nioki weather in December

In December, Nioki sees average daytime highs of 30°C and overnight lows near 23°C, with 171 mm of rain across 23.4 wet days and about 12.2 hours of daylight. It is the 10th-warmest and 3rd-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 5% 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 12 min by month's end. Set against the rest of the year, December is Nioki's 10th-clearest and 11th-windiest month. For the whole year in context, see Nioki's year-round climate.

Daytime high
30°
10th warmest
Overnight low
23°
7th coldest
Rainfall
171 mm
23.4 wet days
Daylight
12 h 12 min
5:41 AM – 5:50 PM
Cloud cover
80%
10th clearest
Wind
4 km/h
11th windiest
Solar energy
4.91 kWh/m²
Travel score
3.4
out of 10

Nioki is is a locality in the Territory of Kutu in the province of Mai-Ndombe in Congo-Kinshasa..

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 Nioki reaches about 30°C in the afternoon and slips back to 23°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 32°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)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How December really feels in Nioki

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.

Nioki weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°12919.512.13.6
Feb31° / 23°1351812.13.4
Mar31° / 23°15221.5123.2
Apr31° / 23°15322.411.93.1
May30° / 23°10217.411.93.9
Jun30° / 23°307.311.85.2
Jul30° / 23°225.211.95.3
Aug30° / 23°6013.511.94.3
Sep30° / 23°11420.7123.5
Oct30° / 22°18925.512.13.2
Nov30° / 23°17723.912.13.3
Dec30° / 23°17123.412.23.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22080
32080
42080
52080
62080
71981
81981
91882
101882
111882
121882
131882
141882
151882
161981
171981
181882
191882
201882
211882
221981
231981
241981
251981
261981
271981
281981
292080
302080
312080

Chance of precipitation in December

Any precipitation

Nioki gets around 171 mm of rain over 23.4 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 75% and peaks near 81% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
180
281
381
481
581
681
780
880
979
1079
1178
1278
1377
1476
1576
1675
1774
1874
1973
2072
2172
2271
2371
2471
2571
2670
2770
2870
2970
3069
3169

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 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
10964
20964
30964
40964
50964
60964
70964
80964
90964
100964
110964
121954
131954
141954
151954
161954
171954
181945
191945
201945
210946
220946
230937
240937
250928
260928
270919
281909
291909
3018910
3118910

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 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 5:35 AM to 5:48 AM, and sunset from 5:43 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:355:43
212.15:355:44
312.15:355:44
412.15:365:45
512.15:365:45
612.25:365:45
712.25:375:46
812.25:375:46
912.25:385:47
1012.25:385:47
1112.25:395:48
1212.25:395:48
1312.25:395:49
1412.25:405:49
1512.25:405:50
1612.25:415:50
1712.25:415:51
1812.25:425:51
1912.25:425:52
2012.25:435:52
2112.25:435:52
2212.25:435:53
2312.25:445:53
2412.25:445:54
2512.25:455:54
2612.25:455:55
2712.25:465:55
2812.25:465:56
2912.25:475:56
3012.25:475:57
3112.25:485:57

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.91 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.91 kWh/m² to a high of 5.44 kWh/m² in February across the year — December's 4.91 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.1Bright
315.1Bright
Planning a trip in December

Is December a good time to visit Nioki?

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

3.4
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 Nioki.

What to pack for Nioki in December

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

In December, Nioki sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

UV index in Nioki 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 Nioki peaks around March 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 11 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeMar 17UV 13Aug 11UV 6
UV index (midday)Level
Jan12Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May9Very high
Jun7Very high
Jul7High
Aug6High
Sep10Extreme
Oct12Extreme
Nov12Extreme
Dec10Very high

Air quality in Nioki 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 Nioki is worst in August — around 87 µg/m³ PM2.5 (unhealthy), about 6.8× the cleanest month (November, 13 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyModerateAug 1383 µg/m³Nov 1313 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb29Moderate
Mar25Moderate
Apr18Moderate
May27Moderate
Jun46Poor
Jul67Unhealthy
Aug87Unhealthy
Sep40Poor
Oct15Moderate
Nov13Moderate
Dec17Moderate
Location & terrain

Where is Nioki?

Nioki sits at 2.7°S, 17.7°E, 326 m above sea level, in Democratic Republic of the Congo. The nearest listed city is Kutu, 51 km away.

DunguBoloboMossakaGamboma

Topography around Nioki

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

Within 3 km, the terrain around Nioki has only modest variations in elevation — a maximum elevation change of 59 m around an average of 300 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 65 m; within 80 km, only modest variations in elevation — a maximum elevation change of 192 m.

The land around Nioki is covered by trees (31%) and wetland (23%) within 3 km, trees (39%) and grassland (29%) within 16 km, and trees (53%) and grassland (37%) within 80 km.

3 km
59 m
16 km
65 m
80 km
192 m
treesshrubsgrasslandartificial surfacesbare terrainwaterwetland
December weather nearby: Kutu 51 km · Bandundu Province 75 km · Mushie 91 km · Inongo 110 km · Dungu 163 km · Bolobo 174 km · Mossaka 194 km · Gamboma 223 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 Nioki (-2.7204°, 17.69°, elevation 326 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).