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Sastamala Climate by Month

The temperature in Sastamala can vary greatly throughout the year. The temperatures shift from warm to very cold. It maintains moderate precipitation patterns. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

Depending on the time of the year, temperatures range from comfortable to very cold in Sastamala. Typically, daytime temperatures range from a comfortable 23°C in July to a very cold -1°C in the coolest month, February. Nights are cooler, with temperatures generally dropping to -9°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Sastamala has a moderate amount of precipitation, averaging 712 mm of rain/snowfall annually. The climate in Sastamala shows significant variation throughout the year. Expect moderate rainfall in July, with an average of 89 mm of precipitation over 16 rainy days. In contrast, March offers drier and sunnier days, with around 39 mm of snow/rainfall over 15 snowy/rainy days.

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

Sunshine over the year

For those who appreciate different seasons, Sastamala serves as an ideal destination. Expect longer, more sun-filled days in June with an average of 9.2 hours of sunshine daily, and embrace the darker days in December, offering only 0.9 hours of daily sunlight.

Monthly hours of sunshine

Data from: Jokioinen, Finland (66 KM, 41 Miles).

Daily hours of sunshine

Data from: Jokioinen, Finland (66 KM, 41 Miles).

The best time of year to visit Sastamala in Finland

During the months of June, July and August 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:
  • When is winter in Sastamala?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Sastamala?
    July has an average maximum temperature of 23°C and is the warmest month of the year.
  • Which is the coldest month in Sastamala?
    The coldest month is February with an average maximum temperature of -1°C.
  • Which is the wettest month in Sastamala?
    July tops the wettest month list with 89 mm of rainfall.
  • Which is the driest month in Sastamala?
    March is the driest month with 39 mm of precipitation.
  • Which is the sunniest month in Sastamala?
    June is the sunniest month with an average of 276 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 Sastamala

    Thu   Nov 21
    0°C | -2°C
    SE 22 km/h
    13 mm
    overcast and snow

    overcast and snow

    Fri   Nov 22
    -1°C | -4°C
    SW 29 km/h
    11 mm
    overcast and snow

    overcast and snow

    Sat   Nov 23
    -2°C | -6°C
    SW 14 km/h
    overcast and no rain

    overcast and no rain