ClimateForecastDecemberJanuary >>

Olsztyn Climate by Month

The temperature in Olsztyn can vary greatly throughout the year. The temperatures shift from warm to very cold. It receives a moderate amount of precipitation. 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 comfortable to very cold in Olsztyn. On average, daytime temperatures range from a comfortable 24°C in July to a very cold 1°C in January. Nighttime temperatures can drop, with averages reaching -4°C in January.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Olsztyn has a moderate amount of precipitation, averaging 731 mm of rain/snowfall annually. The amount of precipitation varies moderately throughout the year. The wettest month, July, sees around 92 mm of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, April, still receives a respectable 48 mm of rainfall.

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

The best time of year to visit Olsztyn in Poland

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 Olsztyn?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Olsztyn?
    July has an average maximum temperature of 24°C and is the warmest month of the year.
  • Which is the coldest month in Olsztyn?
    The coldest month is January with an average maximum temperature of 1°C.
  • Which is the wettest month in Olsztyn?
    July tops the wettest month list with 92 mm of rainfall.
  • Which is the driest month in Olsztyn?
    April is the driest month with 48 mm of precipitation.

  • 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 Olsztyn

    Tue   Dec 03
    5°C | 3°C
    S 11 km/h
    7.9 mm
    overcast and heavy rain

    overcast and heavy rain

    Wed   Dec 04
    5°C | 3°C
    SW 7 km/h
    2.9 mm
    overcast and rain

    overcast and rain

    Thu   Dec 05
    5°C | 1°C
    S 11 km/h
    overcast and no rain

    overcast and no rain