Impfondo weather in December

In December, Impfondo sees average daytime highs of 31°C and overnight lows near 23°C, with 61 mm of rain across 11.9 wet days and about 11.9 hours of daylight. It is the 6th-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 16% 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 Impfondo's 3rd-clearest and 5th-windiest month. For the whole year in context, see Impfondo's year-round climate.

Daytime high
31°
6th warmest
Overnight low
23°
6th coldest
Rainfall
61 mm
11.9 wet days
Daylight
11 h 54 min
5:47 AM – 5:41 PM
Cloud cover
69%
3rd clearest
Wind
5 km/h
5th windiest
Solar energy
5.14 kWh/m²
Travel score
4.3
out of 10

Impfondo is city.

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 Impfondo reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, December runs on par with November and about 1°C cooler than January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How December really feels in Impfondo

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.

Impfondo weather by month

How December compares with the rest of the year at a glance. December is the 6th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°458.411.94.3
Feb32° / 23°7311.511.93.6
Mar32° / 24°13917.9123.2
Apr31° / 24°12019.2123.3
May31° / 24°9818.812.13.6
Jun30° / 23°7915.812.14.2
Jul29° / 23°891812.14.2
Aug29° / 23°13022.312.13.8
Sep29° / 22°15323.7123.5
Oct30° / 23°14923.3123.5
Nov30° / 23°12621.111.93.6
Dec31° / 23°6111.911.94.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
23169
33268
43367
53367
63466
73466
83565
93565
103565
113664
123763
133763
143763
153763
163763
173763
183763
193763
203862
213862
223862
233862
243862
253961
263862
273862
283862
293961
303961
313961

Chance of precipitation in December

Any precipitation

Impfondo gets around 61 mm of rain over 11.9 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 38% and peaks near 59% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
159
258
357
455
554
653
751
849
947
1046
1144
1242
1340
1438
1536
1635
1733
1832
1931
2030
2129
2228
2328
2427
2527
2627
2727
2827
2926
3026
3126

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 87% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10002962
20003952
30003952
40003961
50004951
60004951
70015931
80015931
90015931
100016921
110016921
120026911
130026911
140027901
150027901
160038872
170038872
180039862
190039862
2000310852
2100411832
2200411832
2300412822
2400412822
2510413802
2610413802
2711414791
2811414791
2911414791
3012515761
3122515751

Wind in December

Winds average 5 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
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
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 5:40 AM to 5:54 AM, and sunset from 5:35 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:405:35
211.95:415:35
311.95:415:36
411.95:415:36
511.95:425:36
611.95:425:37
711.95:435:37
811.95:435:38
911.95:445:38
1011.95:445:38
1111.95:445:39
1211.95:455:39
1311.95:455:40
1411.95:465:40
1511.95:465:41
1611.95:475:41
1711.95:475:42
1811.95:485:42
1911.95:485:43
2011.95:495:43
2111.95:495:43
2211.95:505:44
2311.95:505:44
2411.95:505:45
2511.95:515:45
2611.95:515:46
2711.95:525:46
2811.95:525:47
2911.95:535:47
3011.95:535:48
3111.95:545:48

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.14 kWh/m².

For context, solar energy here swings from a low near 4.7 kWh/m² to a high of 5.57 kWh/m² in February across the year — December's 5.14 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in December

Is December a good time to visit Impfondo?

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

4.3
Sightseeing
1st-best month of the year
6.2
Beach & pool
2nd-best month of the year

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

What to pack for Impfondo in December

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

In December, Impfondo sees daytime highs around 31°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Impfondo 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 Impfondo peaks around April 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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 11UV 13Jun 20UV 8
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun8Very high
Jul9Very high
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov10Very high
Dec8Very high

Air quality in Impfondo 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 Impfondo is worst in February — around 50 µg/m³ PM2.5 (poor), about 5.0× the cleanest month (October, 10 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateGoodModerateFeb 1649 µg/m³Oct 910 µg/m³
PM2.5 (µg/m³)Level
Jan37Poor
Feb50Poor
Mar39Poor
Apr23Moderate
May17Moderate
Jun22Moderate
Jul25Moderate
Aug20Moderate
Sep10Good
Oct10Good
Nov17Moderate
Dec27Moderate
Location & terrain

Where is Impfondo?

Impfondo sits at 1.6°N, 18.1°E, 323 m above sea level, in Republic of the Congo. The nearest listed city is Bétou, 168 km away.

BétouMindouliMbandakaBolengePokolaOuessoLibenge

Topography around Impfondo

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

Within 3 km, the terrain around Impfondo has only modest variations in elevation — a maximum elevation change of 28 m around an average of 320 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 43 m; within 80 km, only modest variations in elevation — a maximum elevation change of 61 m.

The land around Impfondo is covered by trees (47%) and water (30%) within 3 km, trees (87%) within 16 km, and trees (93%) within 80 km.

3 km
28 m
16 km
43 m
80 km
61 m
treesgrasslandartificial surfaceswaterwetland
December weather nearby: Bétou 168 km · Mindouli 173 km · Mbandaka 176 km · Bolenge 181 km · Pokola 195 km · Basankusu 199 km · Ouesso 223 km · Libenge 235 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 Impfondo (1.618°, 18.0598°, elevation 323 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).