ClimateForecastDecemberJanuary >>

Sundby Climate by Month

Sundby experiences great temperature shifts. The city's weather can transition from warm days to very cold weather. It receives mid-range precipitation levels. Let's now guide you through the climate details for a complete overview.

Average day and night temperature

The climate in Sundby is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures range from a comfortable 24°C in July, the warmest time of the year, to a very cold 1°C during cooler months like February. At night, temperatures typically average around -5°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Sundby receives mid-range precipitation levels, with 667 mm annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, July receives moderate rainfall, averaging 81 mm of precipitation, recorded across 14 rainy days. In contrast, the drier season, March brings less snow/rainfall, with 35 mm over 12 snowy/rainy days.

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

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Sundby. While June receives considerable daily sunshine with up to 9.8 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.1 hours of sunlight per day.

Monthly hours of sunshine

Data from: Mälaren, Sweden (32 KM, 20 Miles).

Daily hours of sunshine

Data from: Mälaren, Sweden (32 KM, 20 Miles).

The best time of year to visit Sundby in Sweden

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 Sundby?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Sundby?
    July has an average maximum temperature of 24°C and is the warmest month of the year.
  • Which is the coldest month in Sundby?
    The coldest month is February with an average maximum temperature of 1°C.
  • Which is the wettest month in Sundby?
    July tops the wettest month list with 81 mm of rainfall.
  • Which is the driest month in Sundby?
    March is the driest month with 35 mm of precipitation.
  • Which is the sunniest month in Sundby?
    June is the sunniest month with an average of 293 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 Sundby

    Wed   Dec 11
    -1°C | -8°C
    NW 14 km/h
    almost clear and no rain

    almost clear and no rain

    Thu   Dec 12
    -3°C | -9°C
    NW 14 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Fri   Dec 13
    1°C | -9°C
    SW 18 km/h
    overcast and no rain

    overcast and no rain