Ploemeur weather in December

In December, Ploemeur sees average daytime highs of 10°C and overnight lows near 7°C, with 103 mm of precipitation across 13.4 wet days and about 8.3 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 10°C through the month. The sky is clear or mostly clear about 15% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 30 min at the start of December to 8 h 18 min by month's end. Set against the rest of the year, December is Ploemeur's 11th-clearest and 1st-windiest month. For the whole year in context, see Ploemeur's year-round climate.

Daytime high
10°
10th warmest
Overnight low
4th coldest
Precipitation
103 mm
13.4 wet days
Daylight
8 h 12 min
9:03 AM – 5:17 PM
Cloud cover
72%
11th clearest
Wind
25 km/h
1st windiest
Solar energy
0.94 kWh/m²
Travel score
2.2
out of 10

Ploemeur is human settlement in France.

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 10°C through the month.

A typical December day in Ploemeur reaches about 10°C in the afternoon and slips back to 7°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 13°C. Set against its neighbours, December runs about 2°C cooler than November and about 1°C warmer than January.

10°15°151015202531
Avg high (°C)Avg low (°C)
1118
2118
3118
4118
5118
6118
7118
8118
9118
10117
11117
12107
13107
14107
15107
16107
17107
18107
19107
20107
21107
22107
23107
24107
25107
26107
27107
28107
29107
30107
31107

Ploemeur weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan10° / 9313.28.71.9
Feb / 6910.89.91.9
Mar11° / 5510.411.62.6
Apr13° / 5810.513.43.5
May15° / 11°511014.94.7
Jun18° / 14°417.515.76.1
Jul20° / 15°387.515.46.7
Aug20° / 16°467.614.16.7
Sep18° / 14°547.912.46.2
Oct16° / 12°9412.610.64.5
Nov13° / 9513.69.13.1
Dec10° / 10313.48.32.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23466
33565
43565
53565
63565
73466
83466
93466
103466
113367
123367
133367
143268
153169
162971
172971
182971
192971
202872
212872
222872
232872
242872
252872
262872
272872
282773
292773
302773
312773

Chance of precipitation in December

Any precipitation

Ploemeur gets around 103 mm of rain and snow over 13.4 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 44% and peaks near 46% on the wettest days, and about 0 day brings snow.

0%20%40%60%151015202531
Rain chance (%)
144
243
343
442
542
641
741
841
941
1041
1141
1242
1342
1442
1543
1643
1743
1844
1944
2044
2145
2245
2345
2446
2546
2646
2746
2846
2946
3046
3146

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 25 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 24 km/h on the calmest days to 25 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
124breezy
224breezy
324breezy
424breezy
524breezy
624breezy
724breezy
824breezy
925breezy
1025breezy
1125breezy
1225breezy
1325breezy
1425breezy
1525breezy
1625breezy
1725breezy
1825breezy
1925breezy
2025breezy
2125breezy
2225breezy
2325breezy
2425breezy
2525breezy
2625breezy
2725breezy
2825breezy
2925breezy
3025breezy
3125breezy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 30 min at the start of December to 8 h 18 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 8:49 AM to 9:09 AM, and sunset from 5:18 PM to 5:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.58:495:18
28.58:505:18
38.48:515:18
48.48:525:17
58.48:535:17
68.48:545:17
78.48:555:16
88.38:565:16
98.38:575:16
108.38:585:16
118.38:595:16
128.39:005:16
138.39:015:16
148.29:025:16
158.29:025:16
168.29:035:17
178.29:045:17
188.29:045:17
198.29:055:17
208.29:065:18
218.29:065:18
228.29:075:19
238.29:075:19
248.29:085:20
258.29:085:20
268.29:085:21
278.29:085:22
288.29:095:22
298.29:095:23
308.29:095:24
318.39:095:25

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.94 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.94 kWh/m² to a high of 6.09 kWh/m² in June across the year — December's 0.94 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.1Dim
21.1Dim
31.0Dim
41.0Dim
51.0Dim
61.0Dim
71.0Dim
81.0Dim
91.0Dim
101.0Dim
111.0Dim
121.0Dim
130.9Dim
140.9Dim
150.9Dim
160.9Dim
170.9Dim
180.9Dim
190.9Dim
200.9Dim
210.9Dim
220.9Dim
230.9Dim
240.9Dim
250.9Dim
260.9Dim
270.9Dim
280.9Dim
290.9Dim
300.9Dim
310.9Dim
Planning a trip in December

Is December a good time to visit Ploemeur?

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

2.2
Sightseeing
10th-best month of the year
0.0
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Ploemeur.

What to pack for Ploemeur in December

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

In December, Ploemeur sees daytime highs around 10°C and nights near 7°C. Pack a warm layer. Worth having: rain gear and a windbreaker. About 13 days see rain.

a warm layerrain geara windbreaker

Sea temperature near Ploemeur in December

The nearest coast averages about 12°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 13 km away) is warmest in August at about 18°C and coldest in February near 10°C.

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

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan11Bracing
Feb10Bracing
Mar10Bracing
Apr12Bracing
May14Bracing
Jun16Cool
Jul18Cool
Aug18Cool
Sep17Cool
Oct16Cool
Nov14Bracing
Dec12Bracing

UV index in Ploemeur 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 Ploemeur peaks around August 11 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 12 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 11UV 7Jan 12UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr5High
May6High
Jun7High
Jul7High
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Ploemeur?

Ploemeur sits at 47.7°N, 3.4°W, 35 m above sea level, in France. The nearest listed city is Lorient, 5.0 km away.

Topography around Ploemeur

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

Within 3 km, the terrain around Ploemeur has only modest variations in elevation — a maximum elevation change of 78 m around an average of 30 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 122 m; within 80 km, significant variations in elevation — a maximum elevation change of 379 m.

The land around Ploemeur is covered by trees (43%) and grassland (24%) within 3 km, water (44%) and trees (25%) within 16 km, and water (38%), trees (24%) and cropland (20%) within 80 km.

3 km
78 m
16 km
122 m
80 km
379 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Lorient 5.0 km · Lanester 7.0 km · Concarneau 40 km · Pontivy 51 km · Vannes 51 km · Quimper 58 km · Douarnenez 78 km · Guérande 88 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 Ploemeur (47.7351°, -3.4295°, elevation 35 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).