Saint-Lô weather in December

In December, Saint-Lô sees average daytime highs of 8°C and overnight lows near 4°C, with 98 mm of precipitation across 14.2 wet days and about 8.1 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 8°C through the month. The sky is clear or mostly clear about 12% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 18 min at the start of December to 8 h 06 min by month's end. Set against the rest of the year, December is Saint-Lô's 10th-clearest and 2nd-windiest month. For the whole year in context, see Saint-Lô's year-round climate.

Daytime high
11th warmest
Overnight low
3rd coldest
Precipitation
98 mm
14.2 wet days
Daylight
8 hours
9:00 AM – 5:01 PM
Cloud cover
74%
10th clearest
Wind
16 km/h
2nd windiest
Solar energy
0.83 kWh/m²
Travel score
1.3
out of 10
Air quality
Good
PM10 15.7 µg/m³ · 2019

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 8°C through the month.

A typical December day in Saint-Lô reaches about 8°C in the afternoon and slips back to 4°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 3°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)
194
294
394
494
594
694
784
884
984
1084
1184
1284
1384
1484
1584
1684
1784
1884
1984
2084
2184
2284
2384
2483
2583
2683
2783
2883
2983
3083
3183

How December really feels in Saint-Lô

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 20 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
20
wind chill below the day's low

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

Saint-Lô 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 / 8213.30.68.51.1
Feb / 6711.81.19.81.4
Mar11° / 65120.511.62.6
Apr14° / 6712.50.113.43.7
May17° / 7112.10155.0
Jun20° / 11°6510.7015.95.9
Jul22° / 13°5610.7015.66.5
Aug22° / 13°6711.2014.26.3
Sep19° / 11°6110.4012.45.9
Oct15° / 8013.2010.54.2
Nov11° / 8113.80.18.92.4
Dec / 9814.20.78.11.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 73%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12674
22674
32674
42872
52872
62971
72971
82971
92971
102971
112971
122971
132872
142971
152971
162872
172773
182674
192674
202674
212674
222674
232575
242575
252575
262575
272476
282476
292476
302476
312575

Chance of precipitation in December

Any precipitationSnow

Saint-Lô gets around 98 mm of rain and snow over 14.2 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 45% and peaks near 47% on the wettest days, and about 1 day brings snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1461
2461
3461
4451
5451
6451
7441
8442
9442
10442
11432
12432
13432
14432
15442
16442
17443
18453
19453
20453
21463
22463
23473
24473
25473
26473
27473
28473
29462
30462
31452

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
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 18 min at the start of December to 8 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 8:45 AM to 9:06 AM, and sunset from 5:03 PM to 5:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.38:455:03
28.38:465:03
38.38:475:02
48.28:495:02
58.28:505:02
68.28:515:01
78.28:525:01
88.18:535:01
98.18:545:01
108.18:555:01
118.18:565:01
128.18:575:01
138.18:585:01
148.08:585:01
158.08:595:01
168.09:005:01
178.09:015:01
188.09:015:02
198.09:025:02
208.09:035:02
218.09:035:03
228.09:045:03
238.09:045:04
248.09:045:04
258.09:055:05
268.09:055:05
278.09:055:06
288.09:065:07
298.09:065:07
308.09:065:08
318.19:065:09

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.83 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.83 kWh/m² to a high of 5.84 kWh/m² in June across the year — December's 0.83 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.9Dim
20.9Dim
30.9Dim
40.9Dim
50.9Dim
60.9Dim
70.9Dim
80.9Dim
90.9Dim
100.9Dim
110.9Dim
120.8Dim
130.8Dim
140.8Dim
150.8Dim
160.8Dim
170.8Dim
180.8Dim
190.8Dim
200.8Dim
210.8Dim
220.8Dim
230.8Dim
240.8Dim
250.8Dim
260.8Dim
270.8Dim
280.8Dim
290.8Dim
300.8Dim
310.8Dim
Planning a trip in December

Is December a good time to visit Saint-Lô?

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

1.3
Sightseeing
11th-best month of the year
0.0
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Saint-Lô.

What to pack for Saint-Lô in December

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

In December, Saint-Lô sees daytime highs around 8°C and nights near 4°C. Pack a warm layer and rain gear. About 14 days see rain.

a warm layerrain gear

Sea temperature near Saint-Lô in December

The nearest coast averages about 11°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 29 km away) is warmest in August at about 18°C and coldest in February near 8°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
Jan9Bracing
Feb8Bracing
Mar8Bracing
Apr10Bracing
May12Bracing
Jun14Bracing
Jul17Cool
Aug18Cool
Sep18Cool
Oct16Cool
Nov13Bracing
Dec11Bracing

UV index in Saint-Lô 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 Saint-Lô peaks around June 17 at about 7 (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 17UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May6High
Jun7High
Jul6High
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Saint-Lô?

Saint-Lô sits at 49.1°N, 1.1°W, 41 m above sea level, in France. The nearest listed city is Bayeux, 33 km away.

Topography around Saint-Lô

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

Within 3 km, the terrain around Saint-Lô has only modest variations in elevation — a maximum elevation change of 131 m around an average of 72 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 218 m; within 80 km, significant variations in elevation — a maximum elevation change of 389 m.

The land around Saint-Lô is covered by grassland (36%) and trees (31%) within 3 km, grassland (50%), cropland (27%) and trees (20%) within 16 km, and water (36%), grassland (28%) and cropland (24%) within 80 km.

3 km
131 m
16 km
218 m
80 km
389 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Bayeux 33 km · Caen 54 km · Flers 57 km · Hérouville-Saint-Clair 58 km · Tourlaville 68 km · Octeville 69 km · Cherbourg 70 km · Équeurdreville-Hainneville 72 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 Saint-Lô (49.1162°, -1.0903°, elevation 41 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).