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Weather & Climate in Adams, NY
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Adams has a cool climate with an average annual temperature of 45°F (7°C). Winters average 20°F in January while summers reach 69°F in July. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 37.1 inches. Air quality is rated Good with a median AQI of 36. The city sits at an elevation of 643 feet.
Temperature
20°F Jan (-7°C)
69°F Jul (21°C)
| Annual Average | 45.3°F |
| 16% below US avg | |
| January Average | 20°F (-7°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 643 ft (196 m) |
| Area | 1.4 sq mi (3.7 km²) |
| Population Density | 1,193/sq mi |
| Coordinates | 43.8102°N, 76.0230°W |
| Timezone | America/New_York |
| County | Jefferson County County |
| Nearest Airport | Watertown International (ART) 13 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 64.0 / 100 |
| Social Vulnerability | 28.3 / 100 |
| Community Resilience | 62.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
15 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Apr 20, 2000 | 7 km WSW of Newcomb, New York | M3.8 | 142 km | 5 km |
| Apr 23, 2023 | New York | M3.6 | 6 km | 9 km |
| Jun 29, 2024 | 14 km W of Ellisburg, New York | M3.3 | 26 km | 5 km |
| Jul 31, 1997 | 0 km WSW of Lyons Falls, New York | M3.2 | 56 km | 5 km |
| Nov 7, 2002 | 13 km SSW of Belleville, Canada | M3.0 | 116 km | 18 km |
| Oct 13, 1997 | 18 km NW of Cranberry Lake, New York | M3.0 | 104 km | 4 km |
| Mar 2, 1995 | 3 km ENE of Tupper Lake, New York | M3.0 | 136 km | 4 km |
| Mar 20, 2008 | 12 km S of Osgoode, Canada | M2.8 | 140 km | 6 km |
| Mar 14, 2021 | 19 km SW of Winchester, Canada | M2.7 | 133 km | 10 km |
| Mar 17, 2004 | 3 km SSW of Massena, New York | M2.7 | 150 km | 8 km |
| Aug 11, 2007 | 4 km N of Kingston, Canada | M2.6 | 63 km | 4 km |
| Apr 14, 2023 | 1 km W of Adams Center, New York | M2.6 | 6 km | 6 km |
| Apr 11, 2007 | 6 km NNE of Sodus Point, New York | M2.6 | 93 km | 7 km |
| Mar 17, 2004 | 12 km SSW of Osgoode, Canada | M2.5 | 141 km | 18 km |
| Jul 27, 2022 | 2 km SSW of Saint Regis Falls, New York | M2.5 | 150 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
71 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 7 fatalities, 13 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Aug 7, 2023 | EF3 | 57 km | 16.0 mi | 0 |
| May 2, 1983 | EF3 | 64 km | 3.0 mi | 0 |
| May 2, 1983 | EF3 | 86 km | 20.0 mi | 1 |
| May 2, 1983 | EF3 | 68 km | 3.0 mi | 0 |
| Jul 16, 2024 | EF2 | 79 km | 5.3 mi | 0 |
| Jul 8, 2014 | EF2 | 96 km | 2.5 mi | 4 |
| Jul 23, 1990 | EF2 | 84 km | 17.0 mi | 0 |
| Aug 15, 1986 | EF2 | 64 km | 0.2 mi | 1 |
| Jul 16, 2024 | EF1 | 66 km | 6.5 mi | 0 |
| Jul 16, 2024 | EF1 | 93 km | 4.1 mi | 0 |
| Jul 16, 2024 | EF1 | 84 km | 1.4 mi | 1 |
| Jul 16, 2024 | EF1 | 100 km | 0.7 mi | 0 |
| Jul 10, 2024 | EF1 | 29 km | 2.2 mi | 0 |
| Aug 7, 2023 | EF1 | 64 km | 1.4 mi | 0 |
| Aug 7, 2023 | EF1 | 95 km | 1.3 mi | 0 |
| Jul 8, 2021 | EF1 | 76 km | 2.2 mi | 0 |
| Jun 3, 2021 | EF1 | 64 km | 1.2 mi | 0 |
| Jul 8, 2014 | EF1 | 36 km | 12.3 mi | 0 |
| Jul 8, 2014 | EF1 | 76 km | 1.0 mi | 0 |
| Jun 17, 2014 | EF1 | 84 km | 11.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 20°F (-7°C) | 3.9 in | Coldest |
| February | 21°F (-6°C) | 3.0 in | Driest |
| March | 31°F (-1°C) | 3.1 in | |
| April | 43°F (6°C) | 3.4 in | |
| May | 55°F (13°C) | 3.4 in | |
| June | 64°F (18°C) | 3.6 in | |
| July | 69°F (21°C) | 3.2 in | Warmest |
| August | 67°F (20°C) | 4.0 in | |
| September | 59°F (15°C) | 4.3 in | |
| October | 48°F (9°C) | 4.0 in | |
| November | 38°F (3°C) | 4.8 in | Wettest |
| December | 26°F (-4°C) | 4.3 in |
Adams has a seasonal temperature swing of 49°F / from 20°F in January to 69°F in July. Total annual precipitation is 45.0 inches, with November being the wettest month (4.8") and February the driest (3.0").