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Weather & Climate in New Hamburg, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
New Hamburg experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 29°F in January while summers reach 69°F in July. The area gets 234 sunny days per year, above the national average. Annual precipitation totals 35.5 inches. The area receives 50.5 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 1,138 feet.
Temperature
29°F Jan (-2°C)
69°F Jul (20°C)
| Annual Average | 47.8°F |
| 11% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 69°F (20°C) |
| Sunny Days | 234 days/yr |
Geography
| Elevation | 1,138 ft (347 m) |
| Area | 111.4 sq mi (288.4 km²) |
| Population Density | 122/sq mi |
| Coordinates | 43.3834°N, 80.6997°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
6 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Nov 26, 1999 | 14 km ESE of Centennial Scarborough, Canada | M3.8 | 142 km | 13 km |
| May 24, 2000 | 4 km ENE of Centennial Scarborough, Canada | M3.1 | 137 km | 18 km |
| May 8, 2018 | 14 km SSE of Ajax, Canada | M3.0 | 146 km | 5 km |
| Jun 16, 2004 | 11 km NNW of Angola on the Lake, New York | M2.9 | 149 km | 6 km |
| Mar 28, 2005 | 16 km NW of Virgil, Canada | M2.8 | 115 km | 7 km |
| Sep 20, 2009 | 20 km ESE of Oakville, Canada | M2.6 | 102 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 2.7 m (9 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1823 | LAKE ERIE | Unknown | 2.7 m | - | 124 km |
| 1952 | LAKE HURON, MI | Avalanche | 1.5 m | - | 141 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 2.9 in | |
| February | 20°F (-7°C) | 2.2 in | Coldest, Driest |
| March | 29°F (-2°C) | 2.4 in | |
| April | 42°F (5°C) | 3.2 in | |
| May | 54°F (12°C) | 3.4 in | |
| June | 63°F (17°C) | 3.3 in | |
| July | 69°F (20°C) | 3.8 in | Warmest |
| August | 66°F (19°C) | 3.6 in | |
| September | 59°F (15°C) | 3.6 in | |
| October | 48°F (9°C) | 3.2 in | |
| November | 37°F (3°C) | 3.8 in | Wettest |
| December | 25°F (-4°C) | 3.0 in |
New Hamburg has a seasonal temperature swing of 49°F / from 20°F in February to 69°F in July. Total annual precipitation is 38.3 inches, with November being the wettest month (3.8") and February the driest (2.2").