Sun, sea & sand

Saint-Nazaire weather in June

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

40

Holiday weather in June

Fair

Best time to visit: July – August

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

In June, Saint-Nazaire is warm: daytime highs average 21 °C, and nights cool down to about 15 °C. The sea averages 16.9 °C – swimming is only for the hardy. The sun shines for around 8 hours a day. Rain falls on about 9 days, adding up to 43 mm. All in all, June is a so-so month for a holiday in Saint-Nazaire.

June compared

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

MayMayJuneJunJulyJul
Score254055
Day18°21°22°
Night11°15°16°
Sea14°17°18°
Sun7 h8 h8 h
Rain days1098

More details for June

Daylight
15 h 54 min06:12 – 22:06
UV index
8 · very highclear sky, noon (estimate)All months
Muggy days
1 daydew point 18 °C or moreAll months
Wind
21 km/haverage daily peakAll months
Cloud cover
57 %on averageAll months
Hot days
1 day30 °C or moreAll months
Time zone
UTC+2Europe/Paris

How the score comes together

  • Temperatureweight 35 %33 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %78 %
  • Few rainy daysweight 20 %66 %

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

What to pack in June

  • Wetsuit for longer swims
  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings
  • Rain jacket or umbrella

Saint-Nazaire in June: quick answers

Is Saint-Nazaire hot in June?

Warm rather than hot: in June, daytime highs in Saint-Nazaire average 21 °C and nights cool to about 15 °C.

Can you swim in Saint-Nazaire in June?

Only if you don't mind cold water: in June the sea averages just 16.9 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Saint-Nazaire in June?

Rain falls on about 9 days, adding up to 43 mm.

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