Ajaccio weather in December

In December, Ajaccio sees average daytime highs of 11°C and overnight lows near 8°C, with 122 mm of precipitation across 13.6 wet days and about 9 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 12°C in the first days to 11°C by the end. The sky is clear or mostly clear about 33% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 12 min at the start of December to 9 hours by month's end. Set against the rest of the year, December is Ajaccio's 10th-clearest and 1st-windiest month. For the whole year in context, see Ajaccio's year-round climate.

Daytime high
11°
10th warmest
Overnight low
4th coldest
Precipitation
122 mm
13.6 wet days
Daylight
9 hours
7:52 AM – 4:50 PM
Cloud cover
55%
10th clearest
Wind
12 km/h
1st windiest
Solar energy
1.63 kWh/m²
Travel score
2.7
out of 10

Ajaccio is French commune and prefecture of Corse-du-Sud and Corsica.

Air quality
Good
PM2.5 9.3 µg/m³ · 2019
Density
663/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 12°C in the first days to 11°C by the end.

A typical December day in Ajaccio reaches about 11°C in the afternoon and slips back to 8°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 14°C. Set against its neighbours, December runs about 3°C cooler than November and about 1°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1129
2129
3129
4129
5129
6129
7129
8129
9129
10129
11129
12129
13118
14118
15118
16118
17118
18118
19118
20118
21118
22118
23118
24118
25118
26118
27118
28118
29118
30118
31117

Ajaccio weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 8711.41.19.32.3
Feb10° / 7510.41.410.32.3
Mar12° / 7510.40.911.73.2
Apr14° / 10°7410.30.213.14.1
May17° / 14°567.4014.36.1
Jun21° / 18°315.50157.7
Jul24° / 20°133014.78.9
Aug24° / 21°143.1013.78.8
Sep21° / 18°527.1012.37.3
Oct18° / 15°10310.4010.96.0
Nov14° / 11°13613.30.19.63.9
Dec11° / 12213.60.992.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35644
45644
55644
65545
75545
85545
95545
105446
115446
125347
135347
145347
155347
165248
175347
185248
195248
205248
215248
225248
235248
245248
255248
265248
275149
285149
295149
305149
315050

Chance of precipitation in December

Any precipitationSnow

Ajaccio gets around 122 mm of rain and snow over 13.6 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 44% and peaks near 44% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1442
2442
3442
4442
5442
6442
7442
8442
9442
10442
11442
12442
13442
14432
15432
16432
17432
18432
19433
20433
21433
22443
23443
24443
25443
26443
27443
28433
29433
30423
31423

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 (%)Comfortable (%)
1991
2991
3991
4991
5991
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in December

Winds average 12 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 12 min at the start of December to 9 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:40 AM to 7:59 AM, and sunset from 4:50 PM to 4:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.27:404:50
29.27:414:50
39.17:424:50
49.17:434:49
59.17:434:49
69.17:444:49
79.17:454:49
89.07:464:49
99.07:474:49
109.07:484:49
119.07:494:49
129.07:494:49
139.07:504:49
149.07:514:50
159.07:524:50
169.07:524:50
179.07:534:50
189.07:544:51
199.07:544:51
208.97:554:52
218.97:554:52
228.97:564:52
238.97:564:53
248.97:574:53
259.07:574:54
269.07:574:55
279.07:584:55
289.07:584:56
299.07:584:56
309.07:584:57
319.07:594:58

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.63 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.63 kWh/m² to a high of 7.29 kWh/m² in July across the year — December's 1.63 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.8Dim
21.7Dim
31.7Dim
41.7Dim
51.7Dim
61.7Dim
71.7Dim
81.7Dim
91.7Dim
101.7Dim
111.7Dim
121.6Dim
131.6Dim
141.6Dim
151.6Dim
161.6Dim
171.6Dim
181.6Dim
191.6Dim
201.6Dim
211.6Dim
221.6Dim
231.6Dim
241.6Dim
251.6Dim
261.6Dim
271.6Dim
281.6Dim
291.6Dim
301.6Dim
311.7Dim
Planning a trip in December

Hazard calendar for Ajaccio

In seasonPeak

In December, Ajaccio sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Ajaccio's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Ajaccio?

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

2.7
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 Ajaccio.

What to pack for Ajaccio in December

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

In December, Ajaccio sees daytime highs around 11°C and nights near 8°C. Pack a warm layer. Worth having: rain gear. About 14 days see rain.

a warm layerrain gear

Sea temperature near Ajaccio in December

The nearest coast averages about 15°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 25°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 7 to Oct 24 — about 4.6 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr15Bracing
May18Cool
Jun21Refreshing
Jul24Refreshing
Aug25Warm
Sep23Refreshing
Oct21Refreshing
Nov18Cool
Dec15Cool

UV index in Ajaccio 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 Ajaccio peaks around July 13 at about 9 (very high) — sunscreen, a hat and midday shade are essential. 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 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 13UV 9Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr5Moderate
May7High
Jun9Very high
Jul10Very high
Aug7Very high
Sep5High
Oct4Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Ajaccio?

Ajaccio sits at 41.9°N, 8.7°E, 0 m above sea level, in France. The nearest listed city is Bastia, 105 km away.

Topography around Ajaccio

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

Within 3 km, the terrain around Ajaccio has significant variations in elevation — a maximum elevation change of 419 m around an average of 43 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,125 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,620 m.

The land around Ajaccio is covered by water (51%) within 3 km, water (42%), shrubs (26%) and trees (20%) within 16 km, and water (53%) and trees (24%) within 80 km.

3 km
419 m
16 km
1,125 m
80 km
2,620 m
treesshrubsgrasslandartificial surfacesbare terrainwater
December weather nearby: Bastia 105 km · Porto Torres 124 km · Olbia 128 km · Monte Rosello 132 km · Sassari 134 km · Alghero 155 km · Nuoro 184 km · Piombino 185 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 Ajaccio (41.9189°, 8.7381°, elevation 0 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).