Climate averages 1991–2020
Olsztyn weather
in October.
A cool, moderately wet month: the 7th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a cool month in Olsztyn: daytime highs average 11.1°C and nights cool to about 5.5°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 50 mm of rain on roughly 10 days, which makes October a moderately wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 37 min on an average October day.
The nearest other city in this atlas is Elbląg (82 km away). In October its highs average 12.1°C, 1.0°C warmer than Olsztyn, with 60 mm of rain.
Among the 60 cities listed in Poland, Olsztyn ranks joint 59th of 60 for the warmest October highs and joint 36th of 60 for the driest October (rainfall, lowest first). The mean October high of those 60 cities is 12.7°C; Olsztyn is 1.5°C cooler than that mean.
From October to November, average highs fall by 5.9°C to 5.3°C, and monthly rainfall falls from 50 mm to 42 mm.
The annual picture
October 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 | 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, selected | 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
October in nearby cities
- Elbląg in OctoberPoland · 82 kmHigh 12.1°C · Low 7.1°C · 60 mm rain
- Kaliningrad in OctoberRussia · 103 kmHigh 11.8°C · Low 6.4°C · 60 mm rain
- Grudziądz in OctoberPoland · 119 kmHigh 12.4°C · Low 6.4°C · 45 mm rain
- Gdańsk in OctoberPoland · 136 kmHigh 12.2°C · Low 7.0°C · 46 mm rain
- Płock in OctoberPoland · 147 kmHigh 12.3°C · Low 6.1°C · 42 mm rain
- Gdynia in OctoberPoland · 152 kmHigh 12.2°C · Low 7.2°C · 63 mm rain
- Toruń in OctoberPoland · 152 kmHigh 12.5°C · Low 6.5°C · 43 mm rain
- Włocławek in OctoberPoland · 158 kmHigh 12.6°C · Low 6.5°C · 43 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.