Charleroi weather in December

In December, Charleroi sees average daytime highs of 6°C and overnight lows near 2°C, with 79 mm of precipitation across 13.5 wet days and about 7.9 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 6°C through the month. The sky is clear or mostly clear about 13% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 06 min at the start of December to 7 h 48 min by month's end. Set against the rest of the year, December is Charleroi's 11th-clearest and 2nd-windiest month. For the whole year in context, see Charleroi's year-round climate.

Daytime high
11th warmest
Overnight low
3rd coldest
Precipitation
79 mm
13.5 wet days
Daylight
7 h 48 min
8:44 AM – 4:33 PM
Cloud cover
77%
11th clearest
Wind
17 km/h
2nd windiest
Solar energy
0.65 kWh/m²
Travel score
0.4
out of 10

Charleroi is section of Charleroi, Belgium.

Air quality
Moderate
PM2.5 10.4 µg/m³ · 2019
Founded
1666

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 6°C through the month.

A typical December day in Charleroi reaches about 6°C in the afternoon and slips back to 2°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 1°C and 11°C. Set against its neighbours, December runs about 3°C cooler than November and on par with January.

-10°-5°10°15°151015202531
Avg high (°C)Avg low (°C)
173
273
373
473
562
662
762
862
962
1062
1162
1262
1362
1462
1562
1662
1762
1862
1962
2062
2162
2262
2362
2462
2562
2662
2762
2861
2961
3051
3151

How December really feels in Charleroi

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
31
wind chill below the day's low

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

Charleroi weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6612.71.88.30.1
Feb / 6111.62.69.70.5
Mar10° / 6012.31.211.52.1
Apr14° / 5311.70.113.53.8
May17° / 6512.8015.25.1
Jun20° / 12°6912.1016.15.8
Jul22° / 14°7312.5015.86.3
Aug22° / 13°7612.2014.36.3
Sep19° / 11°5710.7012.45.7
Oct14° / 6111.5010.53.9
Nov / 6411.90.68.81.7
Dec / 7913.51.97.90.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
22179
32179
42278
52377
62377
72377
82377
92377
102575
112674
122674
132674
142575
152575
162674
172575
182575
192476
202476
212476
222377
232377
242377
252377
262377
272377
282377
292377
302377
312377

Chance of precipitation in December

Any precipitationSnow

Charleroi gets around 79 mm of rain and snow over 13.5 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 precipitation averages around 43% and peaks near 45% on the wettest days, and about 2 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1405
2405
3405
4415
5415
6415
7415
8425
9425
10425
11425
12425
13425
14436
15436
16436
17446
18447
19447
20447
21447
22458
23448
24448
25447
26447
27447
28447
29446
30436
31436

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 17 km/h in December.

Across December, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3118light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 06 min at the start of December to 7 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over December. Sunrise moves from 8:28 AM to 8:50 AM, and sunset from 4:35 PM to 4:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.18:284:35
28.18:304:35
38.18:314:34
48.08:324:34
58.08:334:34
68.08:354:33
78.08:364:33
87.98:374:33
97.98:384:33
107.98:394:33
117.98:404:32
127.98:414:32
137.88:424:32
147.88:424:32
157.88:434:33
167.88:444:33
177.88:454:33
187.88:454:33
197.88:464:34
207.88:474:34
217.88:474:34
227.88:484:35
237.88:484:35
247.88:494:36
257.88:494:36
267.88:494:37
277.88:494:38
287.88:504:38
297.88:504:39
307.88:504:40
317.88:504:41

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.65 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.65 kWh/m² to a high of 5.32 kWh/m² in June across the year — December's 0.65 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.8Dim
20.7Dim
30.7Dim
40.7Dim
50.7Dim
60.7Dim
70.7Dim
80.7Dim
90.7Dim
100.7Dim
110.7Dim
120.7Dim
130.7Dim
140.7Dim
150.7Dim
160.7Dim
170.6Dim
180.6Dim
190.6Dim
200.6Dim
210.6Dim
220.6Dim
230.6Dim
240.6Dim
250.6Dim
260.6Dim
270.6Dim
280.6Dim
290.6Dim
300.7Dim
310.7Dim
Planning a trip in December

Is December a good time to visit Charleroi?

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

0.4
Sightseeing
11th-best month of the year
0.0
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Charleroi.

What to pack for Charleroi in December

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

In December, Charleroi sees daytime highs around 6°C and nights near 2°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 14 days see rain.

a warm layera heavy coatrain gear

UV index in Charleroi in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Charleroi peaks around July 13 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 13UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun7High
Jul7High
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Charleroi?

Charleroi sits at 50.4°N, 4.4°E, 136 m above sea level, in Belgium. The nearest listed city is Marcinelle, 2.0 km away.

Topography around Charleroi

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

Within 3 km, the terrain around Charleroi has only modest variations in elevation — a maximum elevation change of 112 m around an average of 129 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 209 m; within 80 km, large variations in elevation — a maximum elevation change of 702 m.

The land around Charleroi is covered by artificial surfaces (56%) and trees (37%) within 3 km, cropland (36%) and trees (33%) within 16 km, and trees (36%), cropland (32%) and grassland (25%) within 80 km.

3 km
112 m
16 km
209 m
80 km
702 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Marcinelle 2.0 km · Gilly 3.0 km · Montignies-sur-Sambre 3.0 km · Jumet 3.0 km · Marchienne-au-Pont 4.0 km · Châtelineau 5.0 km · Châtelet 6.0 km · Courcelles 8.0 km

Belgium travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 81% of US
price level, 2025
GDP per capita
$60,750
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2021
Road deaths
5.8
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 608
Religion
Roman Catholic 57%nonbeliever/agnostic 20%atheist 9%Muslim 7%

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 Charleroi (50.4114°, 4.4445°, elevation 136 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).