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Weather & Climate in Chełmno, Poland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chełmno experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 28°F in January while summers reach 64°F in July. The area gets 296 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 21.9 inches (drier than the 38-inch national average). The area receives 3.7 inches of snow annually. The city sits at an elevation of 236 feet.
Temperature
28°F Jan (-2°C)
64°F Jul (18°C)
| Annual Average | 46.3°F |
| 14% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 296 days/yr |
Geography
| Elevation | 236 ft (72 m) |
| Area | 5.2 sq mi (13.6 km²) |
| Population Density | 3,927/sq mi |
| Coordinates | 53.3486°N, 18.4251°W |
| Timezone | Europe/Warsaw |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.0.
| Aug 11, 1997 | 1 km SSW of Niechanowo, Poland | M3.0 | 112 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 1.2 in | Coldest |
| February | 30°F (-1°C) | 0.9 in | Driest |
| March | 37°F (3°C) | 1.1 in | |
| April | 45°F (7°C) | 1.3 in | |
| May | 55°F (13°C) | 2.0 in | |
| June | 61°F (16°C) | 2.7 in | |
| July | 64°F (18°C) | 3.2 in | Warmest, Wettest |
| August | 64°F (18°C) | 2.4 in | |
| September | 56°F (13°C) | 2.1 in | |
| October | 47°F (8°C) | 1.7 in | |
| November | 38°F (3°C) | 1.7 in | |
| December | 32°F (0°C) | 1.6 in |
Chełmno has a seasonal temperature swing of 36°F / from 28°F in January to 64°F in July. Total annual precipitation is 21.8 inches, with July being the wettest month (3.2") and February the driest (0.9").