Ploemeur weather in May

In May, Ploemeur sees average daytime highs of 15°C and overnight lows near 11°C, with 51 mm of rain across 10 wet days and about 14.9 hours of daylight. It is the 6th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 14°C in the first days to 17°C by the end. The sky is clear or mostly clear about 22% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 12 min at the start of May to 15 h 30 min by month's end. Set against the rest of the year, May is Ploemeur's 6th-clearest and 8th-windiest month. For the whole year in context, see Ploemeur's year-round climate.

Daytime high
15°
6th warmest
Overnight low
11°
7th coldest
Rainfall
51 mm
10 wet days
Daylight
14 h 54 min
5:42 AM – 8:38 PM
Cloud cover
63%
6th clearest
Wind
19 km/h
8th windiest
Solar energy
5.65 kWh/m²
Travel score
4.7
out of 10

Ploemeur is human settlement in France.

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 14°C in the first days to 17°C by the end.

A typical May day in Ploemeur reaches about 15°C in the afternoon and slips back to 11°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 19°C. Set against its neighbours, May runs about 3°C warmer than April and about 3°C cooler than June.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11410
21410
31410
41410
51410
61410
71410
81510
91510
101510
111511
121511
131511
141511
151511
161511
171511
181611
191611
201611
211611
221612
231612
241612
251612
261612
271712
281712
291712
301712
311712

Ploemeur weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan10° / 9313.28.71.9
Feb / 6910.89.91.9
Mar11° / 5510.411.62.6
Apr13° / 5810.513.43.5
May15° / 11°511014.94.7
Jun18° / 14°417.515.76.1
Jul20° / 15°387.515.46.7
Aug20° / 16°467.614.16.7
Sep18° / 14°547.912.46.2
Oct16° / 12°9412.610.64.5
Nov13° / 9513.69.13.1
Dec10° / 10313.48.32.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% 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 59%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33763
43763
53664
63664
73763
83763
93862
103862
113961
123961
133961
143961
154060
164159
174159
184357
194357
204357
214456
224555
234555
244654
254555
264555
274555
284555
294654
304555
314555

Chance of precipitation in May

Any precipitation

Ploemeur gets around 51 mm of rain over 10 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 33% and peaks near 38% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
337
437
536
636
735
835
935
1035
1135
1235
1335
1435
1535
1635
1734
1834
1933
2033
2132
2232
2331
2430
2530
2629
2729
2828
2928
3028
3128

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 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19820
29730
39730
49640
59640
69640
79550
89550
99460
109460
119460
129370
139370
149370
159370
169280
179280
189190
1990100
2089110
2188120
2287130
2386140
2485150
2584160
2683170
2782180
2881190
2979201
3077221
3176231

Wind in May

Winds average 19 km/h in May.

Across May, daily wind ranges from about 18 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 12 min at the start of May to 15 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over May. Sunrise moves from 6:05 AM to 5:27 AM, and sunset from 8:17 PM to 8:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.26:058:17
214.36:038:18
314.36:018:20
414.46:008:21
514.45:588:23
614.55:578:24
714.55:558:25
814.65:548:27
914.65:528:28
1014.75:518:30
1114.75:498:31
1214.75:488:32
1314.85:468:34
1414.85:458:35
1514.95:448:36
1614.95:428:38
1715.05:418:39
1815.05:408:40
1915.05:398:41
2015.15:388:43
2115.15:368:44
2215.25:358:45
2315.25:348:46
2415.25:338:47
2515.35:328:49
2615.35:318:50
2715.35:308:51
2815.45:308:52
2915.45:298:53
3015.45:288:54
3115.55:278:55

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.65 kWh/m².

For context, solar energy here swings from a low near 0.94 kWh/m² to a high of 6.09 kWh/m² in June across the year — May's 5.65 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.3Bright
65.3Bright
75.3Bright
85.4Bright
95.4Bright
105.4Bright
115.5Bright
125.5Bright
135.5Bright
145.6Bright
155.6Bright
165.6Bright
175.7Bright
185.7Bright
195.7Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
296.0Bright
306.0Bright
316.0Bright
Planning a trip in May

Is May a good time to visit Ploemeur?

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

4.7
Sightseeing
5th-best month of the year
0.4
Beach & pool
6th-best month of the year

May is a reasonable time to visit Ploemeur for sightseeing.

What to pack for Ploemeur in May

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

In May, Ploemeur sees daytime highs around 15°C and nights near 11°C. Worth packing: a warm layer, rain gear and sun protection. About 10 days see rain.

a warm layerrain gearsun protection

Sea temperature near Ploemeur in May

The nearest coast averages about 14°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 13 km away) is warmest in August at about 18°C and coldest in February near 10°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan11Bracing
Feb10Bracing
Mar10Bracing
Apr12Bracing
May14Bracing
Jun16Cool
Jul18Cool
Aug18Cool
Sep17Cool
Oct16Cool
Nov14Bracing
Dec12Bracing

UV index in Ploemeur 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 Ploemeur peaks around August 11 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 12 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 11UV 7Jan 12UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr5High
May6High
Jun7High
Jul7High
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Ploemeur?

Ploemeur sits at 47.7°N, 3.4°W, 35 m above sea level, in France. The nearest listed city is Lorient, 5.0 km away.

Topography around Ploemeur

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

Within 3 km, the terrain around Ploemeur has only modest variations in elevation — a maximum elevation change of 78 m around an average of 30 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 122 m; within 80 km, significant variations in elevation — a maximum elevation change of 379 m.

The land around Ploemeur is covered by trees (43%) and grassland (24%) within 3 km, water (44%) and trees (25%) within 16 km, and water (38%), trees (24%) and cropland (20%) within 80 km.

3 km
78 m
16 km
122 m
80 km
379 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Lorient 5.0 km · Lanester 7.0 km · Concarneau 40 km · Pontivy 51 km · Vannes 51 km · Quimper 58 km · Douarnenez 78 km · Guérande 88 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 Ploemeur (47.7351°, -3.4295°, elevation 35 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).