Port-de-Bouc weather in May

In May, Port-de-Bouc sees average daytime highs of 23°C and overnight lows near 14°C, with 50 mm of rain across 6.5 wet days and about 14.5 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 25°C by the end. The sky is clear or mostly clear about 43% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 54 min at the start of May to 14 h 54 min by month's end. Set against the rest of the year, May is Port-de-Bouc's 8th-clearest and 8th-windiest month. For the whole year in context, see Port-de-Bouc's year-round climate.

Daytime high
23°
5th warmest
Overnight low
14°
8th coldest
Rainfall
50 mm
6.5 wet days
Daylight
14 h 30 min
5:22 AM – 7:51 PM
Cloud cover
49%
8th clearest
Wind
15 km/h
8th windiest
Solar energy
6.59 kWh/m²
Travel score
7.5
out of 10
Air quality
Moderate
PM2.5 11.1 µg/m³ · 2019

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 21°C in the first days to 25°C by the end.

A typical May day in Port-de-Bouc reaches about 23°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 27°C. Set against its neighbours, May runs about 4°C warmer than April and about 5°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12112
22112
32112
42212
52212
62213
72213
82213
92213
102213
112313
122313
132314
142314
152314
162314
172414
182414
192414
202414
212414
222415
232515
242515
252515
262515
272515
282515
292516
302516
312616

Port-de-Bouc weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan12° / 526.59.13.4
Feb13° / 385.410.24.1
Mar16° / 375.711.66.0
Apr19° / 10°60813.26.7
May23° / 14°506.514.57.5
Jun28° / 18°274.315.27.1
Jul31° / 20°152.814.95.9
Aug30° / 20°233.613.85.9
Sep26° / 16°746.312.37.5
Oct21° / 13°828.410.86.8
Nov16° / 859.49.55.0
Dec12° / 5078.83.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25248
35248
45248
55248
65248
75248
85347
95347
105545
115545
125644
135644
145842
155842
166040
176139
186238
196337
206436
216535
226634
236634
246634
256634
266634
276634
286634
296535
306535
316535

Chance of precipitation in May

Any precipitation

Port-de-Bouc gets around 50 mm of rain over 6.5 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 22% and peaks near 27% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
327
426
526
625
725
824
924
1023
1123
1223
1323
1422
1522
1621
1721
1820
1920
2019
2119
2219
2318
2418
2518
2618
2718
2818
2918
3018
3119

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 77% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19190
29190
390100
489110
588120
687130
786140
886140
985150
1084160
1183170
1281181
1381181
1480191
1579201
1679201
1778211
1876222
1976222
2074233
2173243
2272244
2370255
2468266
2567267
2665278
2763289
28612910
29602911
30583012
31573013

Wind in May

Winds average 15 km/h in May.

Across May, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 54 min at the start of May to 14 h 54 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 5:41 AM to 5:09 AM, and sunset from 7:34 PM to 8:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:417:34
213.95:397:35
314.05:387:36
414.05:367:37
514.15:357:39
614.15:347:40
714.15:327:41
814.25:317:42
914.25:307:43
1014.35:287:44
1114.35:277:46
1214.35:267:47
1314.45:257:48
1414.45:247:49
1514.55:237:50
1614.55:227:51
1714.55:207:52
1814.65:197:53
1914.65:187:54
2014.65:177:55
2114.75:177:56
2214.75:167:57
2314.75:157:58
2414.85:147:59
2514.85:138:00
2614.85:128:01
2714.85:128:02
2814.95:118:03
2914.95:108:04
3014.95:108:05
3114.95:098:06

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.59 kWh/m².

For context, solar energy here swings from a low near 1.6 kWh/m² to a high of 7.31 kWh/m² in July across the year — May's 6.59 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.1Intense
36.1Intense
46.1Intense
56.2Intense
66.2Intense
76.2Intense
86.3Intense
96.3Intense
106.3Intense
116.4Intense
126.4Intense
136.5Intense
146.5Intense
156.5Intense
166.6Intense
176.6Intense
186.7Intense
196.7Intense
206.8Intense
216.8Intense
226.8Intense
236.8Intense
246.9Intense
256.9Intense
266.9Intense
276.9Intense
287.0Intense
297.0Intense
307.0Intense
317.0Intense
Planning a trip in May

Is May a good time to visit Port-de-Bouc?

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

7.5
Sightseeing
1st-best month of the year
5.9
Beach & pool
5th-best month of the year

May is one of the better times to visit Port-de-Bouc for general sightseeing.

What to pack for Port-de-Bouc in May

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

In May, Port-de-Bouc sees daytime highs around 23°C and nights near 14°C. Pack sun protection. Worth having: light clothes. About 7 days see rain.

sun protectionlight clothes

Sea temperature near Port-de-Bouc in May

The nearest coast averages about 16°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 22°C and coldest in February near 12°C.

It's comfortable for a long swim from Jun 28 to Sep 24 — about 2.9 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb12Bracing
Mar13Bracing
Apr14Bracing
May16Cool
Jun19Cool
Jul21Refreshing
Aug22Refreshing
Sep21Refreshing
Oct19Cool
Nov17Cool
Dec14Bracing

UV index in Port-de-Bouc in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Port-de-Bouc peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 highHighModerateLowJul 15UV 9Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr6High
May6High
Jun7Very high
Jul9Very high
Aug7High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Port-de-Bouc?

Port-de-Bouc sits at 43.4°N, 5.0°E, 5 m above sea level, in France. The nearest listed city is Fos-sur-Mer, 5.0 km away.

Topography around Port-de-Bouc

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Port-de-Bouc.

Within 3 km, the terrain around Port-de-Bouc has only modest variations in elevation — a maximum elevation change of 84 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 214 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,248 m.

The land around Port-de-Bouc is covered by water (51%) and artificial surfaces (26%) within 3 km, water (54%) within 16 km, and water (36%) and trees (35%) within 80 km.

3 km
84 m
16 km
214 m
80 km
1,248 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Fos-sur-Mer 5.0 km · Martigues 6.0 km · Istres 12 km · Marignane 19 km · Miramas 20 km · Vitrolles 22 km · Les Pennes-Mirabeau 26 km · Salon-de-Provence 28 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 Port-de-Bouc (43.4066°, 4.9809°, elevation 5 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).