Douarnenez weather in May

In May, Douarnenez sees average daytime highs of 14°C and overnight lows near 11°C, with 58 mm of rain across 9.9 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 13°C in the first days to 16°C by the end. The sky is clear or mostly clear about 25% 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 Douarnenez's 6th-clearest and 8th-windiest month. For the whole year in context, see Douarnenez's year-round climate.

Daytime high
14°
6th warmest
Overnight low
11°
7th coldest
Rainfall
58 mm
9.9 wet days
Daylight
15 hours
5:45 AM – 8:42 PM
Cloud cover
62%
6th clearest
Wind
19 km/h
8th windiest
Solar energy
5.68 kWh/m²
Travel score
4.3
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 13°C in the first days to 16°C by the end.

A typical May day in Douarnenez reaches about 14°C in the afternoon and slips back to 11°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 17°C. Set against its neighbours, May runs about 2°C warmer than April and about 2°C cooler than June.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11310
21310
31310
41311
51311
61411
71411
81411
91411
101411
111411
121411
131411
141411
151411
161411
171512
181512
191512
201512
211512
221512
231512
241512
251512
261512
271612
281613
291613
301613
311613

Douarnenez 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° / 11515.78.61.8
Feb / 8612.59.91.8
Mar11° / 7012.411.62.3
Apr12° / 691113.43.1
May14° / 11°589.914.94.3
Jun17° / 14°478.915.85.5
Jul18° / 16°479.315.46.2
Aug19° / 16°54914.16.3
Sep17° / 15°609.312.45.7
Oct15° / 13°10614.110.64.2
Nov13° / 10°11715.992.9
Dec11° / 12915.68.22.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24060
34060
44060
53961
64060
73961
83961
94060
104060
114060
124060
134060
144159
154159
164258
174357
184357
194456
204456
214555
224654
234654
244654
254654
264753
274753
284753
294753
304753
314753

Chance of precipitation in May

Any precipitation

Douarnenez gets around 58 mm of rain over 9.9 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 34% and peaks near 39% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
238
337
437
536
635
735
834
934
1034
1134
1234
1334
1435
1535
1634
1734
1834
1934
2033
2133
2232
2332
2431
2531
2630
2730
2830
2930
3030
3131

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 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2982
3973
4973
5973
6964
7964
8964
9964
10955
11955
12955
13955
14955
15955
16955
17946
18946
19937
20928
21919
229010
238911
248812
258713
268614
278416
288317
298119
308020
317822

Wind in May

Winds average 19 km/h in May.

Across May, daily wind ranges from about 19 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
120breezy
220breezy
320breezy
420breezy
520light breeze
620light breeze
720light breeze
820light breeze
920light breeze
1020light breeze
1120light breeze
1220light breeze
1320light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3119light 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 6:08 AM to 5:29 AM, and sunset from 8:22 PM to 9:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.26:088:22
214.36:068:23
314.36:048:24
414.46:028:26
514.46:018:27
614.55:598:29
714.55:588:30
814.65:568:31
914.65:558:33
1014.75:538:34
1114.75:528:36
1214.85:508:37
1314.85:498:38
1414.95:478:40
1514.95:468:41
1615.05:458:42
1715.05:448:44
1815.05:428:45
1915.15:418:46
2015.15:408:47
2115.25:398:49
2215.25:388:50
2315.25:378:51
2415.35:368:52
2515.35:358:53
2615.45:348:55
2715.45:338:56
2815.45:328:57
2915.45:318:58
3015.55:308:59
3115.55:299:00

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.68 kWh/m².

For context, solar energy here swings from a low near 0.91 kWh/m² to a high of 6.12 kWh/m² in June across the year — May's 5.68 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.3Bright
45.3Bright
55.3Bright
65.4Bright
75.4Bright
85.4Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.6Bright
145.6Bright
155.6Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
316.0Bright
Planning a trip in May

Is May a good time to visit Douarnenez?

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

4.3
Sightseeing
5th-best month of the year
0.1
Beach & pool
6th-best month of the year

May is a reasonable time to visit Douarnenez for sightseeing.

What to pack for Douarnenez in May

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

In May, Douarnenez sees daytime highs around 14°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 Douarnenez in May

The nearest coast averages about 13°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 22 km away) is warmest in August at about 16°C and coldest in February near 10°C.

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

8°10°12°14°16°18°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan11Bracing
Feb10Bracing
Mar10Bracing
Apr11Bracing
May13Bracing
Jun15Bracing
Jul16Cool
Aug16Cool
Sep16Cool
Oct15Bracing
Nov14Bracing
Dec12Bracing

UV index in Douarnenez 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 Douarnenez peaks around August 13 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 13UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr5High
May6High
Jun7High
Jul6High
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Douarnenez?

Douarnenez sits at 48.1°N, 4.3°W, 23 m above sea level, in France. The nearest listed city is Quimper, 20 km away.

Topography around Douarnenez

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

Within 3 km, the terrain around Douarnenez has only modest variations in elevation — a maximum elevation change of 94 m around an average of 25 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 329 m; within 80 km, significant variations in elevation — a maximum elevation change of 384 m.

The land around Douarnenez is covered by water (44%) and trees (27%) within 3 km, cropland (27%), water (27%) and trees (23%) within 16 km, and water (50%) within 80 km.

3 km
94 m
16 km
329 m
80 km
384 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Quimper 20 km · Brest 35 km · Concarneau 39 km · Landerneau 40 km · Morlaix 65 km · Ploemeur 78 km · Lorient 81 km · Lanester 82 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 Douarnenez (48.0954°, -4.329°, elevation 23 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).