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Weather & Climate in Olsztyn, Poland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Olsztyn has a cool climate with an average annual temperature of 45°F (7°C). Winters average 26°F in January while summers reach 64°F in July. The area gets 291 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 24.8 inches (drier than the 38-inch national average). The area receives 5.9 inches of snow annually. The city sits at an elevation of 495 feet.
Temperature
26°F Jan (-3°C)
64°F Jul (18°C)
| Annual Average | 45.2°F |
| 16% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 291 days/yr |
Geography
| Elevation | 495 ft (151 m) |
| Area | 34.0 sq mi (88.0 km²) |
| Population Density | 4,997/sq mi |
| Coordinates | 53.7838°N, 20.4927°W |
| Timezone | Europe/Warsaw |
Precipitation & Snow
Air Quality
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Sep 21, 2004 | 3 km SSW of Yantarnyy, Russia | M4.8 | 123 km | 10 km |
| Sep 21, 2004 | 2 km ESE of Yantarnyy, Russia | M4.8 | 124 km | 4 km |
| Feb 23, 1995 | 14 km WSW of Baltiysk, Russia | M4.0 | 106 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-3°C) | 1.5 in | Coldest |
| February | 28°F (-2°C) | 1.0 in | Driest |
| March | 35°F (2°C) | 1.4 in | |
| April | 45°F (7°C) | 1.5 in | |
| May | 55°F (13°C) | 2.0 in | |
| June | 60°F (16°C) | 3.2 in | Wettest |
| July | 64°F (18°C) | 2.9 in | Warmest |
| August | 63°F (17°C) | 2.7 in | |
| September | 55°F (13°C) | 2.4 in | |
| October | 46°F (8°C) | 2.1 in | |
| November | 36°F (2°C) | 2.0 in | |
| December | 30°F (-1°C) | 2.0 in |
Olsztyn has a seasonal temperature swing of 37°F / from 26°F in January to 64°F in July. Total annual precipitation is 24.8 inches, with June being the wettest month (3.2") and February the driest (1.0").