Sun, sea & sand

Saint-Nazaire weather in April

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

23

Holiday weather in April

Poor

Best time to visit: July – August

What is the weather like in Saint-Nazaire in April?

In April, Saint-Nazaire is cool: daytime highs average 15 °C, and nights cool down to about 8 °C. The sea averages 12.0 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 52 mm in total. All in all, April is not an ideal month for a holiday in Saint-Nazaire.

April compared

How the weather changes from March to May. Tap a month to open it.

MarchMarAprilAprMayMay
Score172325
Day12°15°18°
Night6°8°11°
Sea10°12°14°
Sun5 h6 h7 h
Rain days111010

More details for April

Daylight
13 h 33 min07:22 – 20:56
UV index
6 · highclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
22 km/haverage daily peakAll months
Cloud cover
59 %on averageAll months
Hot days
0 days30 °C or moreAll months
Time zone
UTC+2Europe/Paris

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %57 %
  • Few rainy daysweight 20 %59 %

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

What to pack in April

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

Saint-Nazaire in April: quick answers

Is Saint-Nazaire hot in April?

No. In April, Saint-Nazaire is cool: daytime highs average 15 °C and nights drop to about 8 °C.

Can you swim in Saint-Nazaire in April?

Only if you don't mind cold water: in April the sea averages just 12.0 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Saint-Nazaire in April?

Rain is frequent, with about 10 rainy days and 52 mm in total.

Saint-Nazaire 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