Sun, sea & sand

Saint-Malo weather in December

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

6

Holiday weather in December

Poor

Best time to visit: July – August

What is the weather like in Saint-Malo in December?

In December, Saint-Malo is cold: daytime highs average 10 °C, and nights cool down to about 7 °C. The sea averages 11.1 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 14 rainy days and 76 mm in total. All in all, December is not an ideal month for a holiday in Saint-Malo.

December compared

How the weather changes from November to January. Tap a month to open it.

NovemberNovDecemberDecJanuaryJan
Score768
Day12°10°9°
Night9°7°5°
Sea14°11°10°
Sun3 h2 h2 h
Rain days131412

More details for December

Daylight
8 h 19 min08:54 – 17:13
UV index
1 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
23 km/haverage daily peakAll months
Cloud cover
72 %on averageAll months
Hot days
0 days30 °C or more
Time zone
UTC+1Europe/Paris

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %0 %
  • Few rainy daysweight 20 %32 %

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

What to pack in December

  • Warm jacket
  • Rain jacket or umbrella

Saint-Malo in December: quick answers

Is Saint-Malo hot in December?

No. In December, Saint-Malo is cold: daytime highs average 10 °C and nights drop to about 7 °C.

Can you swim in Saint-Malo in December?

Only if you don't mind cold water: in December the sea averages just 11.1 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Saint-Malo in December?

Rain is frequent, with about 14 rainy days and 76 mm in total.

Saint-Malo 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