Climate averages 1991–2020
Olsztyn weather
in July.
A warm, moderately wet month: the warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Olsztyn: daytime highs average 22.3°C and nights cool to about 14.0°C. By daytime temperature it is the warmest month of the year.
Expect about 86 mm of rain on roughly 13 days, which makes July a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 16 h 32 min on an average July day.
The nearest other city in this atlas is Elbląg (82 km away). In July its highs average 22.1°C, about as warm as Olsztyn, with 85 mm of rain.
Among the 60 cities listed in Poland, Olsztyn ranks joint 54th of 60 for the warmest July highs and joint 24th of 60 for the driest July (rainfall, lowest first). The mean July high of those 60 cities is 23.4°C; Olsztyn is 1.0°C cooler than that mean.
From July to August, average highs fall by 0.3°C to 22.0°C, and monthly rainfall falls from 86 mm to 66 mm.
The annual picture
July 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 | 20.3°C11.6°C | 11.6°C | 70 | 12.3 | 17.017 h |
| July, selected | 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
July in nearby cities
- Elbląg in JulyPoland · 82 kmHigh 22.1°C · Low 15.2°C · 85 mm rain
- Kaliningrad in JulyRussia · 103 kmHigh 22.8°C · Low 14.8°C · 89 mm rain
- Grudziądz in JulyPoland · 119 kmHigh 23.1°C · Low 14.7°C · 85 mm rain
- Gdańsk in JulyPoland · 136 kmHigh 22.3°C · Low 14.8°C · 84 mm rain
- Płock in JulyPoland · 147 kmHigh 23.6°C · Low 14.9°C · 76 mm rain
- Gdynia in JulyPoland · 152 kmHigh 21.9°C · Low 14.8°C · 92 mm rain
- Toruń in JulyPoland · 152 kmHigh 23.5°C · Low 14.9°C · 84 mm rain
- Włocławek in JulyPoland · 158 kmHigh 23.8°C · Low 15.2°C · 80 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.