ClimateForecastNovemberDecember >>

Saint-Cast-le-Guildo Climate by Month

The temperature in Saint-Cast-le-Guildo can vary greatly throughout the year. The temperatures shift from pleasant to cold. It receives a reasonable amount of rainfall. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

Depending on the time of the year, temperatures range from pleasant to chilly in Saint-Cast-le-Guildo. Average daytime temperatures reach a pleasant 22°C in August. In February, the coolest month of the year, temperatures drop to a chilly 10°C. At night, expect cooler temperatures, averaging 5°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Saint-Cast-le-Guildo has a moderate amount of precipitation, averaging 867 mm of rainfall annually. Saint-Cast-le-Guildo experiences moderate seasonal variation in rainfall, with monthly averages ranging from 96 mm in December, the wettest month, and 53 mm in July, the driest month.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Saint-Cast-le-Guildo can be enjoyed more throughout the sunniest month of June under a blue sky, with approximately 6.9 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.2 hours of sunlight per day.

Monthly hours of sunshine

Data from: Saint Malo, France (17 KM, 11 Miles).

Daily hours of sunshine

Data from: Saint Malo, France (17 KM, 11 Miles).

The best time of year to visit Saint-Cast-le-Guildo in France

During the months of July, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Saint-Cast-le-Guildo?
    August has an average maximum temperature of 22°C and is the warmest month of the year.
  • Which is the coldest month in Saint-Cast-le-Guildo?
    The coldest month is February with an average maximum temperature of 10°C.
  • Which is the wettest month in Saint-Cast-le-Guildo?
    December tops the wettest month list with 96 mm of rainfall.
  • Which is the driest month in Saint-Cast-le-Guildo?
    July is the driest month with 53 mm of precipitation.
  • Which is the sunniest month in Saint-Cast-le-Guildo?
    June is the sunniest month with an average of 207 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Saint-Cast-le-Guildo

    Fri   Nov 22
    8°C | 1°C
    W 22 km/h
    5.6 mm
    broken clouds and  chance of rain

    broken clouds and chance of rain

    Sat   Nov 23
    15°C | 3°C
    S 40 km/h
    0.5 mm
    overcast and slight rain

    overcast and slight rain

    Sun   Nov 24
    17°C | 13°C
    S 36 km/h
    10 mm
    broken clouds and rain

    broken clouds and rain