Douarnenez weather in March

In March, Douarnenez sees average daytime highs of 11°C and overnight lows near 8°C, with 70 mm of precipitation across 12.4 wet days and about 11.6 hours of daylight. It is the 10th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 11°C through the month. The sky is clear or mostly clear about 21% of the time in March, and the air most often feels dry.

Daylight stretches from about 10 h 42 min at the start of March to 12 h 30 min by month's end. Set against the rest of the year, March is Douarnenez's 7th-clearest and 5th-windiest month. For the whole year in context, see Douarnenez's year-round climate.

Daytime high
11°
10th warmest
Overnight low
3rd coldest
Precipitation
70 mm
12.4 wet days
Daylight
11 h 36 min
7:40 AM – 7:14 PM
Cloud cover
66%
7th clearest
Wind
22 km/h
5th windiest
Solar energy
3.21 kWh/m²
Travel score
2.3
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 11°C through the month.

A typical March day in Douarnenez reaches about 11°C in the afternoon and slips back to 8°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 12°C. Set against its neighbours, March runs about 1°C warmer than February and about 2°C cooler than April.

10°15°151015202531
Avg high (°C)Avg low (°C)
1107
2107
3107
4107
5107
6107
7107
8107
9108
10108
11108
12108
13108
14118
15118
16118
17118
18118
19118
20118
21118
22118
23118
24118
25118
26118
27118
28118
29118
30118
31118

Douarnenez weather by month

How March compares with the rest of the year at a glance. March is the 10th-warmest and 6th-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 15% of March, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33466
43565
53565
63664
73565
83565
93565
103565
113565
123565
133565
143664
153664
163664
173664
183664
193664
203664
213763
223763
233763
243862
253862
263961
274060
284159
294159
304258
314258

Chance of precipitation in March

Any precipitation

Douarnenez gets around 70 mm of rain and snow over 12.4 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 40% and peaks near 46% on the wettest days, and about 0 day brings snow.

0%20%40%60%151015202531
Rain chance (%)
146
246
345
444
544
643
742
840
939
1038
1137
1236
1336
1435
1535
1635
1735
1836
1936
2037
2138
2238
2339
2440
2540
2641
2741
2841
2941
3041
3141

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in March

Winds average 22 km/h in March.

Across March, daily wind ranges from about 21 km/h on the calmest days to 24 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
124breezy
224breezy
323breezy
423breezy
523breezy
623breezy
723breezy
823breezy
922breezy
1022breezy
1122breezy
1222breezy
1322breezy
1422breezy
1521breezy
1621breezy
1721breezy
1821breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2421breezy
2521breezy
2621breezy
2722breezy
2822breezy
2922breezy
3022breezy
3122breezy

Sunrise & sunset in March

DaylightNight

Daylight runs from about 10 h 42 min at the start of March to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 108 minutes over March. Sunrise moves from 8:10 AM to 7:08 AM, and sunset from 6:51 PM to 7:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.78:106:51
210.78:086:53
310.88:066:54
410.98:046:56
510.98:026:57
611.08:006:59
711.07:587:00
811.17:567:02
911.17:547:03
1011.27:527:05
1111.37:507:06
1211.37:487:08
1311.47:467:09
1411.47:447:11
1511.57:427:12
1611.67:407:14
1711.67:387:15
1811.77:367:17
1911.77:347:18
2011.87:327:20
2111.97:307:21
2211.97:277:23
2312.07:257:24
2412.07:237:26
2512.17:217:27
2612.27:197:29
2712.27:177:30
2812.37:157:32
2912.37:137:33
3012.47:107:35
3112.57:087:36

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 3.21 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 — March's 3.21 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
12.5Moderate
22.5Moderate
32.6Moderate
42.6Moderate
52.7Moderate
62.7Moderate
72.8Moderate
82.8Moderate
92.9Moderate
102.9Moderate
113.0Moderate
123.0Moderate
133.1Moderate
143.1Moderate
153.2Moderate
163.2Moderate
173.3Moderate
183.3Moderate
193.4Moderate
203.4Moderate
213.5Moderate
223.5Moderate
233.6Moderate
243.6Moderate
253.7Moderate
263.8Moderate
273.8Moderate
283.9Moderate
293.9Moderate
304.0Moderate
314.0Bright
Planning a trip in March

Is March a good time to visit Douarnenez?

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

2.3
Sightseeing
9th-best month of the year
0.0
Beach & pool
8th-best month of the year

March is a weaker month for outdoor sightseeing in Douarnenez.

What to pack for Douarnenez in March

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

In March, Douarnenez sees daytime highs around 11°C and nights near 8°C. Pack a warm layer. Worth having: rain gear and a windbreaker. About 12 days see rain.

a warm layerrain geara windbreaker

Sea temperature near Douarnenez in March

The nearest coast averages about 10°C in March — 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 March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 3 — 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
March 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).