Vannes weather in April

In April, Vannes sees average daytime highs of 14°C and overnight lows near 7°C, with 57 mm of rain across 11 wet days and about 13.3 hours of daylight. It is the 7th-warmest and 7th-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 23% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 30 min at the start of April to 14 h 06 min by month's end. Set against the rest of the year, April is Vannes's 5th-clearest and 6th-windiest month. For the whole year in context, see Vannes's year-round climate.

Daytime high
14°
7th warmest
Overnight low
6th coldest
Rainfall
57 mm
11 wet days
Daylight
13 h 24 min
6:30 AM – 7:53 PM
Cloud cover
64%
5th clearest
Wind
15 km/h
6th windiest
Solar energy
4.77 kWh/m²
Travel score
4.1
out of 10
Air quality
Good
PM2.5 8.9 µg/m³ · 2019

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

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 April day in Vannes reaches about 14°C in the afternoon and slips back to 7°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 19°C. Set against its neighbours, April runs about 2°C warmer than March and about 3°C cooler than May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
1136
2136
3136
4136
5136
6146
7146
8146
9146
10146
11146
12146
13146
14147
15147
16157
17157
18157
19157
20157
21157
22157
23158
24158
25158
26158
27158
28168
29168
30168

How April really feels in Vannes

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Vannes weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan / 7411.38.71.7
Feb10° / 589.59.92.0
Mar12° / 5210.111.63.1
Apr14° / 571113.34.1
May17° / 10°5811.114.95.4
Jun20° / 13°478.415.76.4
Jul22° / 14°39815.47.1
Aug22° / 14°45814.17.0
Sep20° / 12°497.912.46.6
Oct16° / 10°7811.610.64.8
Nov12° / 7311.79.13.1
Dec10° / 8311.98.31.9

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
24159
34159
44060
54060
64159
74159
84159
94357
104258
114258
124357
134357
144357
154357
164357
174258
184258
194060
204060
213961
223763
233664
243664
253664
263466
273466
283466
293367
303367

Chance of precipitation in April

Any precipitation

Vannes gets around 57 mm of rain over 11 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 36% and peaks near 43% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
137
236
336
435
535
634
734
833
933
1032
1132
1232
1332
1432
1532
1632
1733
1834
1935
2036
2138
2239
2340
2441
2541
2642
2742
2843
2943
3043

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
19991
20991
21991
22991
23991
24982
25982
26982
27973
28973
29964
30964

Wind in April

Winds average 15 km/h in April.

Across April, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light 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
2815light breeze
2915light breeze
3015light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 30 min at the start of April to 14 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 96 minutes over April. Sunrise moves from 7:00 AM to 6:04 AM, and sunset from 7:31 PM to 8:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.57:007:31
212.66:587:33
312.66:567:34
412.76:547:35
512.76:527:37
612.86:507:38
712.96:487:40
812.96:467:41
913.06:447:43
1013.06:427:44
1113.16:407:46
1213.26:387:47
1313.26:367:48
1413.36:347:50
1513.36:327:51
1613.46:307:53
1713.46:287:54
1813.56:267:56
1913.66:247:57
2013.66:227:59
2113.76:208:00
2213.76:188:01
2313.86:168:03
2413.86:158:04
2513.96:138:06
2613.96:118:07
2714.06:098:09
2814.06:078:10
2914.16:068:11
3014.16:048:13

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.77 kWh/m².

For context, solar energy here swings from a low near 0.95 kWh/m² to a high of 6.11 kWh/m² in June across the year — April's 4.77 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.2Bright
34.2Bright
44.3Bright
54.3Bright
64.4Bright
74.5Bright
84.5Bright
94.6Bright
104.6Bright
114.7Bright
124.7Bright
134.7Bright
144.8Bright
154.8Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
Planning a trip in April

Is April a good time to visit Vannes?

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

4.1
Sightseeing
7th-best month of the year
0.1
Beach & pool
7th-best month of the year

April is a reasonable time to visit Vannes for sightseeing.

What to pack for Vannes in April

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

In April, Vannes sees daytime highs around 14°C and nights near 7°C. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near Vannes in April

The nearest coast averages about 12°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 27 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
Jan10Bracing
Feb10Bracing
Mar10Bracing
Apr12Bracing
May14Bracing
Jun16Cool
Jul18Cool
Aug18Cool
Sep17Cool
Oct16Cool
Nov14Bracing
Dec12Bracing

UV index in Vannes in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Vannes peaks around August 10 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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 10UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5High
May6High
Jun7High
Jul7High
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Vannes?

Vannes sits at 47.7°N, 2.8°W, 20 m above sea level, in France. The nearest listed city is Guérande, 44 km away.

Topography around Vannes

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

Within 3 km, the terrain around Vannes has only modest variations in elevation — a maximum elevation change of 64 m around an average of 20 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 177 m; within 80 km, significant variations in elevation — a maximum elevation change of 395 m.

The land around Vannes is covered by artificial surfaces (40%) and trees (36%) within 3 km, trees (33%), grassland (27%) and cropland (20%) within 16 km, and water (33%), trees (24%) and cropland (23%) within 80 km.

3 km
64 m
16 km
177 m
80 km
395 m
treesgrasslandcroplandartificial surfaceswaterwetland
April weather nearby: Guérande 44 km · Lanester 45 km · Lorient 47 km · Pontivy 48 km · La Baule-Escoublac 50 km · Ploemeur 51 km · Saint-Nazaire 59 km · Concarneau 90 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 Vannes (47.6569°, -2.762°, elevation 20 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).