Ajaccio weather in May

In May, Ajaccio sees average daytime highs of 17°C and overnight lows near 14°C, with 56 mm of rain across 7.4 wet days and about 14.3 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 19°C by the end. The sky is clear or mostly clear about 48% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 48 min at the start of May to 14 h 48 min by month's end. Set against the rest of the year, May is Ajaccio's 5th-clearest and 9th-windiest month. For the whole year in context, see Ajaccio's year-round climate.

Daytime high
17°
6th warmest
Overnight low
14°
7th coldest
Rainfall
56 mm
7.4 wet days
Daylight
14 h 24 min
5:10 AM – 7:32 PM
Cloud cover
46%
5th clearest
Wind
9 km/h
9th windiest
Solar energy
6.45 kWh/m²
Travel score
6.1
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 May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 16°C in the first days to 19°C by the end.

A typical May day in Ajaccio reaches about 17°C in the afternoon and slips back to 14°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 20°C. Set against its neighbours, May runs about 4°C warmer than April and about 4°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11612
21612
31612
41613
51613
61613
71613
81613
91713
101713
111713
121713
131714
141714
151714
161714
171714
181814
191814
201814
211814
221815
231815
241815
251815
261915
271915
281915
291915
301916
311916

Ajaccio weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 8th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
26040
36139
46139
56238
66238
76337
86337
96337
106436
116436
126535
136535
146634
156634
166733
176832
186832
196832
206931
216931
226931
237030
247030
257129
267129
277129
287228
297228
307228
317327

Chance of precipitation in May

Any precipitation

Ajaccio gets around 56 mm of rain over 7.4 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 24% and peaks near 33% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
133
233
332
431
531
630
729
828
928
1027
1126
1226
1325
1424
1524
1623
1723
1822
1922
2021
2121
2220
2320
2420
2519
2619
2719
2819
2919
3019
3120

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 74% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19550
29460
39370
49280
59190
690100
789110
888120
987130
1086140
1185150
1284160
1383170
1482180
1581190
1679210
1778220
1876240
1973261
2071281
2169301
2266322
2364342
2461363
2558393
2655414
2753434
2850455
2947476
3044487
3142508

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 48 min at the start of May to 14 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over May. Sunrise moves from 5:29 AM to 4:59 AM, and sunset from 7:16 PM to 7:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:297:16
213.85:277:17
313.95:267:18
413.95:247:19
514.05:237:20
614.05:227:21
714.05:217:23
814.15:197:24
914.15:187:25
1014.15:177:26
1114.25:167:27
1214.25:157:28
1314.35:147:29
1414.35:137:30
1514.35:117:31
1614.45:107:32
1714.45:097:33
1814.45:087:34
1914.55:087:35
2014.55:077:36
2114.55:067:37
2214.65:057:38
2314.65:047:39
2414.65:037:40
2514.65:037:41
2614.75:027:42
2714.75:017:43
2814.75:007:44
2914.75:007:45
3014.84:597:45
3114.84:597:46

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.45 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 — May's 6.45 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
36.0Bright
46.0Intense
56.0Intense
66.1Intense
76.1Intense
86.2Intense
96.2Intense
106.2Intense
116.3Intense
126.3Intense
136.3Intense
146.4Intense
156.4Intense
166.5Intense
176.5Intense
186.5Intense
196.6Intense
206.6Intense
216.6Intense
226.7Intense
236.7Intense
246.7Intense
256.7Intense
266.8Intense
276.8Intense
286.8Intense
296.8Intense
306.8Intense
316.8Intense
Planning a trip in May

Hazard calendar for Ajaccio

In seasonPeak

None of Ajaccio's seasonal hazards are active in May. 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 May a good time to visit Ajaccio?

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

6.1
Sightseeing
5th-best month of the year
1.7
Beach & pool
6th-best month of the year

May is a reasonable time to visit Ajaccio for sightseeing.

What to pack for Ajaccio in May

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

In May, Ajaccio sees daytime highs around 17°C and nights near 14°C. Pack sun protection. About 7 days see rain.

sun protection

Sea temperature near Ajaccio in May

The nearest coast averages about 18°C in May — 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 May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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
May 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).