Mérignac weather in December

In December, Mérignac sees average daytime highs of 11°C and overnight lows near 4°C, with 75 mm of precipitation across 11.4 wet days and about 8.7 hours of daylight. It is the 11th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 11°C through the month. The sky is clear or mostly clear about 21% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 54 min at the start of December to 8 h 36 min by month's end. Set against the rest of the year, December is Mérignac's 11th-clearest and 3rd-windiest month. For the whole year in context, see Mérignac's year-round climate.

Daytime high
11°
11th warmest
Overnight low
3rd coldest
Precipitation
75 mm
11.4 wet days
Daylight
8 h 36 min
8:40 AM – 5:17 PM
Cloud cover
68%
11th clearest
Wind
11 km/h
3rd windiest
Solar energy
1.25 kWh/m²
Travel score
2.6
out of 10

Mérignac is human settlement in France.

Air quality
Good
PM10 17.4 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 11°C through the month.

A typical December day in Mérignac reaches about 11°C in the afternoon and slips back to 4°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 15°C. Set against its neighbours, December runs about 3°C cooler than November and on par with January.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1125
2125
3125
4125
5125
6125
7125
8115
9115
10115
11115
12114
13114
14114
15114
16114
17114
18114
19114
20114
21114
22114
23114
24114
25114
26114
27114
28114
29104
30104
31104

Mérignac weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan11° / 7211.392.4
Feb12° / 529.310.13.0
Mar15° / 5610.211.64.7
Apr18° / 7311.913.25.5
May21° / 11°7712.114.66.2
Jun25° / 14°659.415.36.9
Jul27° / 16°477.4157.0
Aug27° / 16°547.513.97.0
Sep24° / 13°608.812.37.1
Oct20° / 10°6910.510.76.1
Nov14° / 8211.79.43.9
Dec11° / 7511.48.72.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% 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 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23565
33565
43664
53664
63763
73664
83664
93763
103862
113862
123862
133862
143763
153763
163664
173565
183466
193367
203268
213268
223268
233169
243169
253169
263070
273070
283169
293169
303169
313070

Chance of precipitation in December

Any precipitation

Mérignac gets around 75 mm of rain and snow over 11.4 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 36% and peaks near 39% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
337
436
536
636
736
836
935
1035
1135
1235
1335
1435
1535
1635
1735
1835
1935
2036
2136
2237
2337
2438
2538
2638
2739
2839
2939
3039
3139

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 54 min at the start of December to 8 h 36 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 8:27 AM to 8:46 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)
18.98:275:18
28.88:285:18
38.88:295:17
48.88:305:17
58.88:315:17
68.78:325:17
78.78:335:17
88.78:345:17
98.78:355:16
108.78:365:16
118.78:365:16
128.78:375:17
138.68:385:17
148.68:395:17
158.68:405:17
168.68:405:17
178.68:415:17
188.68:425:18
198.68:425:18
208.68:435:19
218.68:435:19
228.68:445:19
238.68:445:20
248.68:455:20
258.68:455:21
268.68:455:22
278.68:465:22
288.68:465:23
298.68:465:24
308.68:465:24
318.68:465:25

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.25 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.25 kWh/m² to a high of 6.18 kWh/m² in June across the year — December's 1.25 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.4Dim
21.4Dim
31.3Dim
41.3Dim
51.3Dim
61.3Dim
71.3Dim
81.3Dim
91.3Dim
101.3Dim
111.3Dim
121.3Dim
131.3Dim
141.3Dim
151.3Dim
161.3Dim
171.3Dim
181.3Dim
191.3Dim
201.2Dim
211.2Dim
221.2Dim
231.2Dim
241.2Dim
251.2Dim
261.2Dim
271.2Dim
281.2Dim
291.2Dim
301.2Dim
311.3Dim
Planning a trip in December

Is December a good time to visit Mérignac?

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

2.6
Sightseeing
11th-best month of the year
0.0
Beach & pool
11th-best month of the year

December is a weaker month for outdoor sightseeing in Mérignac.

What to pack for Mérignac in December

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

In December, Mérignac sees daytime highs around 11°C and nights near 4°C. Pack a warm layer. Worth having: rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Mérignac in December

The nearest coast averages about 13°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 58 km away) is warmest in August at about 21°C and coldest in February near 11°C.

It's comfortable for a long swim from Jul 9 to Sep 15 — about 2.3 months when the water holds above 20°C.

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb11Bracing
Mar12Bracing
Apr13Bracing
May15Cool
Jun18Cool
Jul21Refreshing
Aug21Refreshing
Sep20Refreshing
Oct18Cool
Nov16Cool
Dec13Bracing

UV index in Mérignac 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 Mérignac peaks around July 18 at about 8 (very 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowJul 18UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr6High
May6High
Jun7Very high
Jul8Very high
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Mérignac?

Mérignac sits at 44.8°N, 0.6°W, 38 m above sea level, in France. The nearest listed city is Pessac, 4.0 km away.

Topography around Mérignac

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

Within 3 km, the terrain around Mérignac has only modest variations in elevation — a maximum elevation change of 39 m around an average of 36 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 99 m; within 80 km, only modest variations in elevation — a maximum elevation change of 200 m.

The land around Mérignac is covered by artificial surfaces (64%) and trees (26%) within 3 km, trees (46%), artificial surfaces (25%) and grassland (20%) within 16 km, and trees (43%) and grassland (24%) within 80 km.

3 km
39 m
16 km
99 m
80 km
200 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Pessac 4.0 km · Le Bouscat 4.0 km · Eysines 5.0 km · Bordeaux 5.0 km · Talence 6.0 km · Blanquefort 8.0 km · Gradignan 8.0 km · Saint-Médard-en-Jalles 8.0 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 Mérignac (44.8425°, -0.6451°, elevation 38 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).