Tournai weather in December

In December, Tournai sees average daytime highs of 7°C and overnight lows near 3°C, with 74 mm of precipitation across 13.2 wet days and about 7.8 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 7°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 Tournai's 11th-clearest and 2nd-windiest month. For the whole year in context, see Tournai's year-round climate.

Daytime high
11th warmest
Overnight low
3rd coldest
Precipitation
74 mm
13.2 wet days
Daylight
7 h 48 min
8:49 AM – 4:36 PM
Cloud cover
76%
11th clearest
Wind
16 km/h
2nd windiest
Solar energy
0.66 kWh/m²
Travel score
0.8
out of 10

Tournai is city in Wallonia, Belgium.

Air quality
Good
PM2.5 9.3 µg/m³ · 2019
Density
325/km²
people per km²
Founded
~201 CE

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 7°C through the month.

A typical December day in Tournai reaches about 7°C in the afternoon and slips back to 3°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 12°C. Set against its neighbours, December runs about 3°C cooler than November and on par with January.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
183
283
383
473
573
673
773
873
973
1073
1173
1273
1373
1473
1573
1673
1773
1873
1973
2073
2173
2273
2373
2473
2572
2672
2762
2862
2962
3062
3162

How December really feels in Tournai

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.

Tournai 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 / 6412.318.30.5
Feb / 5611.11.39.70.9
Mar11° / 5511.50.711.52.4
Apr14° / 4711.2013.54.0
May18° / 6312.2015.25.3
Jun21° / 12°6010.7016.26.1
Jul23° / 14°6311015.86.5
Aug23° / 14°6811.4014.36.5
Sep19° / 11°509.8012.46.0
Oct15° / 6011010.44.2
Nov10° / 6311.90.48.72.0
Dec / 7413.217.80.8

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 12% of December, with mostly cloudy or overcast conditions the remaining 75%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22377
32476
42476
52674
62674
72674
82773
92773
102773
112773
122872
132872
142872
152872
162773
172773
182674
192674
202476
212476
222476
232377
242476
252377
262377
272377
282377
292377
302377
312377

Chance of precipitation in December

Any precipitationSnow

Tournai gets around 74 mm of rain and snow over 13.2 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 42% and peaks near 45% on the wettest days, and about 1 day brings snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1393
2393
3393
4393
5392
6392
7392
8392
9392
10393
11403
12403
13403
14413
15413
16423
17423
18433
19433
20444
21444
22454
23454
24454
25454
26454
27454
28444
29443
30443
31433

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 16 km/h in December.

Across December, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light 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 8:34 AM to 8:55 AM, and sunset from 4:39 PM to 4:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.18:344:39
28.18:354:38
38.08:364:38
48.08:374:37
58.08:394:37
67.98:404:37
77.98:414:36
87.98:424:36
97.98:434:36
107.98:444:36
117.88:454:36
127.88:464:36
137.88:474:36
147.88:484:36
157.88:484:36
167.88:494:36
177.88:504:36
187.88:514:36
197.88:514:37
207.88:524:37
217.88:524:37
227.88:534:38
237.88:534:38
247.88:544:39
257.88:544:40
267.88:544:40
277.88:554:41
287.88:554:42
297.88:554:42
307.88:554:43
317.88:554:44

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.66 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.66 kWh/m² to a high of 5.34 kWh/m² in June across the year — December's 0.66 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.8Dim
20.8Dim
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
170.7Dim
180.7Dim
190.7Dim
200.6Dim
210.6Dim
220.6Dim
230.6Dim
240.6Dim
250.6Dim
260.6Dim
270.6Dim
280.7Dim
290.7Dim
300.7Dim
310.7Dim
Planning a trip in December

Is December a good time to visit Tournai?

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

0.8
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 Tournai.

What to pack for Tournai in December

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

In December, Tournai sees daytime highs around 7°C and nights near 3°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 13 days see rain.

a warm layera heavy coatrain gear

UV index in Tournai 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 Tournai peaks around June 23 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 23UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Tournai?

Tournai sits at 50.6°N, 3.4°E, 24 m above sea level, in Belgium. The nearest listed city is Hem, 15 km away.

Villeneuve-d'AscqWattrelosRoubaixSaint-Amand-les-EauxPéruwelzCroixWasquehal

Topography around Tournai

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

Within 3 km, the terrain around Tournai has only modest variations in elevation — a maximum elevation change of 72 m around an average of 30 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 258 m; within 80 km, significant variations in elevation — a maximum elevation change of 392 m.

The land around Tournai is covered by artificial surfaces (28%), trees (27%) and cropland (27%) within 3 km, cropland (53%) and grassland (20%) within 16 km, and cropland (51%) and grassland (21%) within 80 km.

3 km
72 m
16 km
258 m
80 km
392 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Hem 15 km · Villeneuve-d'Ascq 16 km · Wattrelos 16 km · Roubaix 18 km · Saint-Amand-les-Eaux 18 km · Péruwelz 18 km · Croix 19 km · Wasquehal 19 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 Tournai (50.6071°, 3.3893°, elevation 24 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).