Olsztyn monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Olsztyn

Olsztyn average temperature chart (Celsius) Olsztyn average temperature chart (Fahrenheit)
Average monthly temperatures in Olsztyn (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -3.7 -2.2 4.2 12.6 18 20.9 22.7 22.1 17.3 11.7 4.5 -1.1
°F 25.3 28 39.5 54.7 64.3 69.6 72.9 71.8 63.2 53.1 40.1 30

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Olsztyn monthly rainfall chart (mm) Olsztyn monthly rainfall chart (inches)
Average monthly rainfall in Olsztyn (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 37 27 33 37 54 82 79 77 61 51 56 48
inches 1.4 1 1.3 1.5 2.1 3.2 3.1 3 2.4 2 2.2 1.9
Rainy days 18 14 14 13 12 13 14 13 15 15 17 19

Average annual rainfall in Olsztyn: 715.267mm (281.6 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Olsztyn

Olsztyn average daily sunshine chart
Average daily sunshine Olsztyn
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.4 2.5 4 5.9 8.1 8.8 8.4 7.8 5.4 3.6 1.6 1.1

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Olsztyn average minimum / maximum temperatures (Celsius) Olsztyn average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Olsztyn (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -8.8 -7.7 -2.6 3.8 7.8 11.1 13.3 12.5 8.9 4.9 0 -5.6
Max °C -3.6 -2.1 4.4 12.8 18.2 21.2 23 22.4 17.6 11.9 4.6 -1
Min °F 16.2 18.1 27.4 38.8 46 51.9 55.9 54.4 47.9 40.8 32 21.9
Max °F 20.8 23.2 33.6 46.9 55.4 61 64.6 63.3 55.8 47.1 36.1 26.1

Sea temperature

The graph below shows the average sea temperature.

Olsztyn average sea temperature chart (Celsius) Olsztyn average sea temperature chart (Fahrenheit)
Average sea temperature around Olsztyn in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4.5 3.3 3.2 4.7 8.7 13.7 17.4 18.9 16.6 13 9.4 6.4
°F 40.1 37.9 37.7 40.5 47.7 56.7 63.4 66 61.9 55.4 48.9 43.5

Wind speed

The graph below shows the average wind speed.

Olsztyn average winspeed by month (km/h) Olsztyn average winspeed by month (mph)
Average wind speed in Olsztyn (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 15 15 15 14 13 12 12 11 12 13 16 15
mph 9 9 9 9 8 7 7 7 7 8 10 9

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Olsztyn relative humidity averages
Average relative humidity in Olsztyn
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
90% 87% 80% 74% 72% 73% 76% 76% 81% 85% 89% 91%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Olsztyn weather stats

Olsztyn weather statistics
Hottest month: July 22.7°C 72.9°F
Driest month: February 27mm 1.1ins
Sunniest month: August 7.8hrs
Coldest month: January -3.7°C 25.3°F
Wettest month: June 82mm 3.2ins
Warmest sea: August 18.9°C 66°F
Map showing location of Olsztyn (53.77995, 20.49416) Olsztyn map pin © Google

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