Sibiti weather in December

In December, Sibiti sees average daytime highs of 29°C and overnight lows near 22°C, with 280 mm of rain across 28.9 wet days and about 12.2 hours of daylight. It is the 8th-warmest and 1st-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 0% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of December to 12 h 12 min by month's end. Set against the rest of the year, December is Sibiti's 11th-clearest and 11th-windiest month. For the whole year in context, see Sibiti's year-round climate.

Daytime high
29°
8th warmest
Overnight low
22°
7th coldest
Rainfall
280 mm
28.9 wet days
Daylight
12 h 12 min
5:56 AM – 6:09 PM
Cloud cover
85%
11th clearest
Wind
4 km/h
11th windiest
Solar energy
4.37 kWh/m²
Travel score
3.0
out of 10

Sibiti is town.

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 Sibiti reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°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)
12922
22922
32922
42922
52922
62922
72922
82922
92922
102922
112922
122922
132922
142922
152922
162922
172922
182922
192922
202922
212922
222922
232922
242922
252922
262922
272922
282922
292922
302922
312922

How December really feels in Sibiti

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.

Sibiti weather by month

How December compares with the rest of the year at a glance. December is the 8th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°2132612.23.3
Feb30° / 22°17622.112.13.3
Mar30° / 22°18124.3123.1
Apr30° / 22°20924.611.93.1
May29° / 22°11419.211.84.2
Jun27° / 20°82.111.87.2
Jul26° / 19°30.611.87.6
Aug26° / 19°61.411.97.2
Sep28° / 21°226.7126.1
Oct29° / 22°14421.612.13.8
Nov29° / 22°26627.712.23.0
Dec29° / 22°28028.912.23.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 5% of December, with mostly cloudy or overcast conditions the remaining 95%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1694
2694
3694
4595
5595
6595
7496
8496
9496
10496
11496
12496
13496
14496
15496
16496
17496
18496
19496
20595
21595
22595
23595
24595
25694
26694
27694
28694
29694
30892
31892

Chance of precipitation in December

Any precipitation

Sibiti gets around 280 mm of rain over 28.9 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 93% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
194
294
394
494
594
694
794
894
994
1094
1194
1294
1394
1494
1594
1694
1794
1894
1993
2093
2193
2293
2392
2492
2592
2691
2791
2890
2990
3089
3189

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 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
1199
2199
3199
4199
5199
6199
7199
8199
9199
10199
11199
12199
13199
14199
15199
16298
17298
18298
19298
20298
21298
22298
23397
24397
25397
26397
27397
28397
29397
30397
31298

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 5 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
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 12 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 0 minutes over December. Sunrise moves from 5:50 AM to 6:03 AM, and sunset from 6:02 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:506:02
212.25:516:03
312.25:516:03
412.25:516:04
512.25:526:04
612.25:526:04
712.25:536:05
812.25:536:05
912.25:536:06
1012.25:546:06
1112.25:546:07
1212.25:556:07
1312.25:556:08
1412.25:566:08
1512.25:566:09
1612.25:566:09
1712.25:576:10
1812.25:576:10
1912.25:586:11
2012.25:586:11
2112.25:596:11
2212.25:596:12
2312.26:006:12
2412.26:006:13
2512.26:016:13
2612.26:016:14
2712.26:026:14
2812.26:026:15
2912.26:026:15
3012.26:036:16
3112.26:036:16

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.37 kWh/m².

For context, solar energy here swings from a low near 3.42 kWh/m² to a high of 5 kWh/m² in March across the year — December's 4.37 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
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in December

Hazard calendar for Sibiti

In seasonPeak

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

Sibiti's rainy season runs October–April, 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 Sibiti?

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

3.0
Sightseeing
11th-best month of the year
3.9
Beach & pool
12th-best month of the year

December is a weaker month for outdoor sightseeing in Sibiti.

What to pack for Sibiti in December

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

In December, Sibiti sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

UV index in Sibiti 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 Sibiti peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highExtremeMar 16UV 15Jun 20UV 7
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar15Extreme
Apr13Extreme
May9Very high
Jun7High
Jul7Very high
Aug8Very high
Sep11Extreme
Oct14Extreme
Nov11Extreme
Dec10Extreme

Air quality in Sibiti 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 Sibiti is worst in August — around 49 µg/m³ PM2.5 (poor), about 4.3× the cleanest month (November, 11 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateModerateAug 1648 µg/m³Nov 1812 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar15Moderate
Apr13Moderate
May22Moderate
Jun34Moderate
Jul43Poor
Aug49Poor
Sep41Poor
Oct16Moderate
Nov11Good
Dec14Moderate
Location & terrain

Where is Sibiti?

Sibiti sits at 3.7°S, 13.3°E, 531 m above sea level, in Republic of the Congo. The nearest listed city is Nkayi, 56 km away.

NkayiLoudimaKayesMouyondziBouansaLoutétéDolisieMossendjo

Topography around Sibiti

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

Within 3 km, the terrain around Sibiti has only modest variations in elevation — a maximum elevation change of 103 m around an average of 509 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 305 m; within 80 km, large variations in elevation — a maximum elevation change of 726 m.

The land around Sibiti is covered by trees (46%) and grassland (41%) within 3 km, trees (83%) within 16 km, and trees (66%) and grassland (33%) within 80 km.

3 km
103 m
16 km
305 m
80 km
726 m
treesshrubsgrasslandartificial surfaces
December weather nearby: Nkayi 56 km · Loudima 58 km · Kayes 59 km · Mouyondzi 73 km · Bouansa 75 km · Loutété 88 km · Dolisie 95 km · Mossendjo 108 km

Republic of the Congo travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$2,515
2025
Happiness
4.5 / 10
World Happiness, 2025
Safe drinking water
46%
of population, 2021
Road deaths
29.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Roman Catholic 33%Awakening Churches/Christian Revival 22%Protestant 20%none 11%

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 Sibiti (-3.6819°, 13.3498°, elevation 531 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).