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Weather & Climate in Chełmża, Poland

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Chełmża 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 297 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 21.7 inches (drier than the 38-inch national average). The area receives 3.7 inches of snow annually. The city sits at an elevation of 289 feet.

Temperature

28°F Jan (-2°C) 64°F Jul (18°C)
Annual Average46.0°F
15% below US avg
January Average28°F (-2°C)
July Average64°F (18°C)
Sunny Days297 days/yr

Geography

Elevation289 ft (88 m)
Area3.0 sq mi (7.8 km²)
Population Density5,100/sq mi
Coordinates53.1846°N, 18.6047°W
TimezoneEurope/Warsaw

Precipitation & Snow

Annual Rainfall 21.7"
43% below US avg
Snowfall 3.7"
Wettest Month (Jul) 3.19"
Driest Month (Feb) 0.94"

Air Quality

Earthquake History

2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.0.

Aug 11, 1997 1 km SSW of Niechanowo, Poland M3.0 103 km 5 km
May 6, 2007 4 km NW of ?erków, Poland M2.8 141 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) 1.1 in Coldest
February 30°F (-1°C) 0.9 in Driest
March 36°F (2°C) 1.2 in
April 45°F (7°C) 1.2 in
May 55°F (13°C) 2.0 in
June 60°F (16°C) 2.7 in
July 64°F (18°C) 3.2 in Warmest, Wettest
August 64°F (18°C) 2.5 in
September 55°F (13°C) 2.1 in
October 47°F (8°C) 1.7 in
November 37°F (3°C) 1.6 in
December 31°F (-0°C) 1.6 in

Chełmża has a seasonal temperature swing of 36°F / from 28°F in January to 64°F in July. Total annual precipitation is 21.7 inches, with July being the wettest month (3.2") and February the driest (0.9").

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