Sun, sea & sand

Vannes weather in March

Temperature, sea and sunshine in March: long-term averages from 30 years of weather data, not a forecast.

16

Holiday weather in March

Poor

Best time to visit: July – August

What is the weather like in Vannes in March?

In March, Vannes is cool: daytime highs average 12 °C, and nights cool down to about 6 °C. The sea averages 10.1 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 56 mm in total. All in all, March is not an ideal month for a holiday in Vannes.

March compared

How the weather changes from February to April. Tap a month to open it.

FebruaryFebMarchMarAprilApr
Score141622
Day10°12°15°
Night5°6°8°
Sea10°10°12°
Sun4 h5 h6 h
Rain days101110

More details for March

Daylight
11 h 48 min07:26 – 19:15
UV index
4 · moderateclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
22 km/haverage daily peakAll months
Cloud cover
63 %on averageAll months
Hot days
0 days30 °C or moreAll months
Time zone
UTC+1Europe/Paris

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %27 %
  • Few rainy daysweight 20 %52 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in March

  • Sunscreen
  • A jumper for the evenings
  • Rain jacket or umbrella

Vannes in March: quick answers

Is Vannes hot in March?

No. In March, Vannes is cool: daytime highs average 12 °C and nights drop to about 6 °C.

Can you swim in Vannes in March?

Only if you don't mind cold water: in March the sea averages just 10.1 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Vannes in March?

Rain is frequent, with about 11 rainy days and 56 mm in total.

Vannes month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences