Lomme weather in December

In December, Lomme sees average daytime highs of 7°C and overnight lows near 3°C, with 70 mm of precipitation across 12.5 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 14% 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 Lomme's 10th-clearest and 2nd-windiest month. For the whole year in context, see Lomme's year-round climate.

Daytime high
11th warmest
Overnight low
3rd coldest
Precipitation
70 mm
12.5 wet days
Daylight
7 h 48 min
8:51 AM – 4:37 PM
Cloud cover
75%
10th clearest
Wind
16 km/h
2nd windiest
Solar energy
0.66 kWh/m²
Travel score
0.9
out of 10

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 Lomme 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 2°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)
184
284
384
483
583
683
783
873
973
1073
1173
1273
1373
1473
1573
1673
1773
1873
1973
2073
2173
2273
2373
2473
2573
2673
2773
2873
2973
3073
3173

How December really feels in Lomme

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 29 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
29
wind chill below the day's low

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

Lomme 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 / 6011.80.88.30.7
Feb / 5010.61.19.71.0
Mar11° / 5110.70.711.52.5
Apr14° / 4910.8013.54.0
May18° / 6211.9015.25.3
Jun20° / 12°6010.5016.26.1
Jul22° / 14°6111015.86.5
Aug22° / 14°7011014.36.5
Sep19° / 12°539.9012.46.0
Oct15° / 6111.2010.44.3
Nov10° / 6112.20.38.72.2
Dec / 7012.51.17.80.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 73%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22476
32575
42575
52674
62674
72971
82971
93070
103070
113070
123169
133169
143169
153070
163070
172971
182971
192872
202773
212674
222575
232575
242674
252674
262575
272575
282575
292575
302575
312575

Chance of precipitation in December

Any precipitationSnow

Lomme gets around 70 mm of rain and snow over 12.5 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 40% and peaks near 42% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1392
2392
3392
4382
5382
6382
7382
8382
9383
10383
11383
12383
13393
14393
15394
16404
17404
18414
19414
20414
21425
22425
23425
24425
25424
26424
27424
28424
29414
30414
31414

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
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light 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 8:35 AM to 8:57 AM, and sunset from 4:40 PM to 4:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.18:354:40
28.18:374:40
38.08:384:39
48.08:394:39
58.08:404:38
67.98:424:38
77.98:434:38
87.98:444:38
97.98:454:37
107.98:464:37
117.88:474:37
127.88:484:37
137.88:494:37
147.88:494:37
157.88:504:37
167.88:514:37
177.88:524:38
187.88:524:38
197.88:534:38
207.78:544:39
217.78:544:39
227.78:554:39
237.78:554:40
247.78:564:40
257.88:564:41
267.88:564:42
277.88:564:42
287.88:574:43
297.88:574:44
307.88:574:45
317.88:574:45

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 5.4 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
270.7Dim
280.7Dim
290.7Dim
300.7Dim
310.7Dim
Planning a trip in December

Is December a good time to visit Lomme?

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

0.9
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 Lomme.

What to pack for Lomme in December

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

In December, Lomme 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

Sea temperature near Lomme in December

The nearest coast averages about 10°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 59 km away) is warmest in August at about 19°C and coldest in February near 7°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan8Bracing
Feb7Bracing
Mar7Bracing
Apr9Bracing
May12Bracing
Jun15Bracing
Jul17Cool
Aug19Cool
Sep18Cool
Oct15Cool
Nov12Bracing
Dec10Bracing

UV index in Lomme 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 Lomme peaks around August 10 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 10UV 6Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug7High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Lomme?

Lomme sits at 50.6°N, 3.0°E, 39 m above sea level, in France. The nearest listed city is Lambersart, 3.0 km away.

Topography around Lomme

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

Within 3 km, the terrain around Lomme has only modest variations in elevation — a maximum elevation change of 50 m around an average of 31 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 69 m; within 80 km, significant variations in elevation — a maximum elevation change of 338 m.

The land around Lomme is covered by artificial surfaces (39%), trees (30%) and cropland (21%) within 3 km, cropland (45%) and artificial surfaces (22%) within 16 km, and cropland (53%) within 80 km.

3 km
50 m
16 km
69 m
80 km
338 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Lambersart 3.0 km · Haubourdin 4.0 km · Loos 4.0 km · Lille 5.0 km · La Madeleine 6.0 km · Marcq-en-Barœul 7.0 km · Faches-Thumesnil 9.0 km · Armentières 9.0 km

France travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 77% of US
price level, 2025
GDP per capita
$48,986
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.3
per 100k, 2023
Road deaths
5.1
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 539
Religion
Roman Catholic 47%none 33%Muslim 4%Protestant 2%

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 Lomme (50.6436°, 2.9872°, elevation 39 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).