Ajaccio weather in August

In August, Ajaccio sees average daytime highs of 24°C and overnight lows near 21°C, with 14 mm of rain across 3.1 wet days and about 13.7 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 81% of the time in August, and the air most often feels humid.

Daylight stretches from about 14 h 18 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Ajaccio's 2nd-clearest and 12th-windiest month. For the whole year in context, see Ajaccio's year-round climate.

Daytime high
24°
1st warmest
Overnight low
21°
12th coldest
Rainfall
14 mm
3.1 wet days
Daylight
13 h 42 min
5:38 AM – 7:20 PM
Cloud cover
22%
2nd clearest
Wind
8 km/h
12th windiest
Solar energy
6.36 kWh/m²
Travel score
8.8
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 August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical August day in Ajaccio reaches about 24°C in the afternoon and slips back to 21°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 27°C. Set against its neighbours, August runs on par with July and about 3°C warmer than September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12521
22521
32521
42521
52521
62521
72521
82521
92421
102421
112421
122421
132421
142421
152421
162421
172421
182421
192421
202421
212421
222421
232421
242420
252420
262420
272420
282320
292320
302320
312320

Ajaccio weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 81% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 9% of August, with mostly cloudy or overcast conditions the remaining 10%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1937
2928
3928
4928
5928
6928
7928
8919
9919
109010
119010
129010
139010
149010
159010
169010
179010
189010
199010
209010
219010
229010
239010
249010
259010
269010
279010
288911
298911
308812
318812

Chance of precipitation in August

Any precipitation

Ajaccio gets around 14 mm of rain over 3.1 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 10% and peaks near 14% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
110
210
310
410
510
69
79
89
99
109
119
129
138
148
158
168
179
189
199
209
2110
2210
2310
2411
2512
2612
2713
2813
2914
3014
3114

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the humid band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 27% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
111748332
211648322
311648322
411749322
511749312
611849312
711849302
811949292
911949291
1011950291
1112050281
1222050281
1322050281
1422051270
1522051270
1622150270
1722150270
1822150270
1922151260
2022250260
2132250260
2232250250
2342249250
2452349240
2552448230
2662447220
2772547210
2882646190
2992846170
30102946160
31113046140

Wind in August

Winds average 8 km/h in August, the calmest month.

Across August, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 18 min at the start of August to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over August. Sunrise moves from 5:22 AM to 5:54 AM, and sunset from 7:40 PM to 6:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:227:40
214.35:237:39
314.25:247:38
414.25:257:36
514.15:267:35
614.15:277:34
714.15:287:33
814.05:297:31
914.05:317:30
1014.05:327:29
1113.95:337:27
1213.95:347:26
1313.85:357:25
1413.85:367:23
1513.75:377:22
1613.75:387:20
1713.75:397:19
1813.65:407:17
1913.65:417:16
2013.55:427:14
2113.55:437:13
2213.45:447:11
2313.45:457:10
2413.45:467:08
2513.35:487:06
2613.35:497:05
2713.25:507:03
2813.25:517:01
2913.15:527:00
3013.15:536:58
3113.05:546:56

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.36 kWh/m².

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 — August's 6.36 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.9Intense
26.8Intense
36.8Intense
46.8Intense
56.8Intense
66.7Intense
76.7Intense
86.7Intense
96.6Intense
106.6Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.4Intense
166.4Intense
176.3Intense
186.3Intense
196.3Intense
206.2Intense
216.2Intense
226.1Intense
236.1Intense
246.0Intense
256.0Bright
265.9Bright
275.9Bright
285.8Bright
295.8Bright
305.7Bright
315.6Bright
Planning a trip in August

Hazard calendar for Ajaccio

In seasonPeak

None of Ajaccio's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 August a good time to visit Ajaccio?

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

8.8
Sightseeing
2nd-best month of the year
7.4
Beach & pool
1st-best month of the year

August is one of the better times to visit Ajaccio for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Ajaccio in August

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

In August, Ajaccio sees daytime highs around 24°C and nights near 21°C. Pack sun protection. Worth having: light clothes. About 3 days see rain.

sun protectionlight clothes

Sea temperature near Ajaccio in August

The nearest coast averages about 25°C in August — 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 August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. 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
August 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).