Climate averages 1991–2020
Olsztyn weather
in June.
A mild, moderately wet month: the 3rd warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a mild month in Olsztyn: daytime highs average 20.3°C and nights cool to about 11.6°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 70 mm of rain on roughly 12 days, which makes June a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 17 h 00 min on an average June day.
The nearest other city in this atlas is Elbląg (82 km away). In June its highs average 19.9°C, about as warm as Olsztyn, with 68 mm of rain.
Among the 60 cities listed in Poland, Olsztyn ranks 54th of 60 for the warmest June highs and joint 31st of 60 for the driest June (rainfall, lowest first). The mean June high of those 60 cities is 21.3°C; Olsztyn is 1.1°C cooler than that mean.
From June to July, average highs rise by 2.1°C to 22.3°C, and monthly rainfall rises from 70 mm to 86 mm.
The annual picture
June in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Olsztyn climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -0.4°C-4.6°C | -4.6°C | 43 | 10.8 | 8.18 h |
| February | 1.0°C-4.3°C | -4.3°C | 37 | 8.9 | 9.710 h |
| March | 5.4°C-1.8°C | -1.8°C | 43 | 10.3 | 11.812 h |
| April | 12.1°C2.7°C | 2.7°C | 41 | 9.7 | 14.014 h |
| May | 17.2°C7.8°C | 7.8°C | 64 | 12.2 | 15.916 h |
| June, selected | 20.3°C11.6°C | 11.6°C | 70 | 12.3 | 17.017 h |
| July | 22.3°C14.0°C | 14.0°C | 86 | 13.2 | 16.517 h |
| August | 22.0°C13.9°C | 13.9°C | 66 | 11.4 | 14.815 h |
| September | 17.1°C10.1°C | 10.1°C | 59 | 9.8 | 12.813 h |
| October | 11.1°C5.5°C | 5.5°C | 50 | 10.1 | 10.611 h |
| November | 5.3°C1.4°C | 1.4°C | 42 | 9.9 | 8.69 h |
| December | 1.2°C-2.5°C | -2.5°C | 45 | 10.4 | 7.58 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
June in nearby cities
- Elbląg in JunePoland · 82 kmHigh 19.9°C · Low 12.6°C · 68 mm rain
- Kaliningrad in JuneRussia · 103 kmHigh 20.5°C · Low 12.1°C · 72 mm rain
- Grudziądz in JunePoland · 119 kmHigh 21.0°C · Low 12.3°C · 67 mm rain
- Gdańsk in JunePoland · 136 kmHigh 20.1°C · Low 12.1°C · 67 mm rain
- Płock in JunePoland · 147 kmHigh 21.5°C · Low 12.6°C · 62 mm rain
- Gdynia in JunePoland · 152 kmHigh 19.6°C · Low 12.1°C · 73 mm rain
- Toruń in JunePoland · 152 kmHigh 21.5°C · Low 12.6°C · 61 mm rain
- Włocławek in JunePoland · 158 kmHigh 21.7°C · Low 12.9°C · 60 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Olsztyn) is explained once on the Olsztyn year overview and on the Sources, method and limits page.