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Weather & Climate in Plainfield, NH
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Plainfield has a cool climate with an average annual temperature of 44°F (7°C). Winters average 18°F in January while summers reach 69°F in July. The area gets 261 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Air quality is rated Good with a median AQI of 37. The city sits at an elevation of 534 feet.
Temperature
18°F Jan (-8°C)
69°F Jul (20°C)
| Annual Average | 44.2°F |
| 18% below US avg | |
| January Average | 18°F (-8°C) |
| July Average | 69°F (20°C) |
| Sunny Days | 261 days/yr |
Geography
| Elevation | 534 ft (163 m) |
| Area | 0.6 sq mi (1.5 km²) |
| Population Density | 409/sq mi |
| Coordinates | 43.5345°N, 72.3536°W |
| Timezone | America/New_York |
| County | Windsor County County |
| Nearest Airport | Rutland/Southern Vermont Regional (RUT) 30 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 37.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 61.6 / 100 |
| Social Vulnerability | 24.6 / 100 |
| Community Resilience | 72.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Relatively Moderate |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
33 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.
| Oct 16, 2012 | 5 km W of Hollis Center, Maine | M4.7 | 137 km | 16 km |
| Jun 16, 1995 | 8 km N of Lisbon, New Hampshire | M3.8 | 91 km | 5 km |
| Aug 21, 1996 | 12 km N of Livermore, New Hampshire | M3.8 | 108 km | 10 km |
| Oct 2, 1994 | 6 km W of Hardwick, Massachusetts | M3.7 | 132 km | 10 km |
| Oct 6, 1992 | 1 km SW of Canterbury, New Hampshire | M3.4 | 67 km | 5 km |
| Oct 2, 1994 | 1 km NW of Hardwick, Massachusetts | M3.3 | 131 km | 10 km |
| Sep 26, 2010 | 2 km SW of Canterbury, New Hampshire | M3.2 | 66 km | 5 km |
| Jan 10, 1999 | 2 km ENE of Merrimac, Massachusetts | M3.1 | 136 km | 2 km |
| Mar 11, 2020 | 0 km SSW of South Glens Falls, New York | M3.1 | 107 km | 13 km |
| Jan 27, 2000 | 3 km WNW of Fremont, New Hampshire | M3.0 | 112 km | 1 km |
| Jan 10, 1999 | 1 km NNE of Merrimac, Massachusetts | M3.0 | 135 km | 2 km |
| Sep 29, 1994 | 13 km WNW of North Creek, New York | M2.9 | 145 km | 16 km |
| Feb 4, 2022 | 0 km SSW of Gorham, New Hampshire | M2.9 | 134 km | 8 km |
| Apr 25, 2023 | 4 km SW of Center Sandwich, New Hampshire | M2.9 | 75 km | 8 km |
| May 14, 2007 | 5 km ESE of Benson, Vermont | M2.8 | 74 km | 8 km |
| Mar 21, 2016 | 4 km ESE of Warner, New Hampshire | M2.8 | 56 km | 7 km |
| Sep 28, 2002 | 2 km N of Wilton, New Hampshire | M2.8 | 90 km | 5 km |
| Mar 23, 1992 | 5 km SE of Hill, New Hampshire | M2.8 | 57 km | 5 km |
| Sep 30, 1991 | 0 km SSE of Bedford, New Hampshire | M2.7 | 95 km | 4 km |
| Oct 13, 1999 | 2 km E of Littleton Common, Massachusetts | M2.7 | 132 km | 2 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
2 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 1991 | Bob | Category 2 | 104 mph | 183 km |
| 1985 | Gloria | Category 1 | 86 mph | 185 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
103 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 1 fatality, 25 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Aug 25, 1969 | EF3 | 64 km | 5.7 mi | 0 |
| Aug 20, 1968 | EF3 | 60 km | 1.0 mi | 0 |
| May 20, 1963 | EF3 | 74 km | 14.0 mi | 0 |
| Jul 24, 2008 | EF2 | 95 km | 50.5 mi | 1 |
| Jun 5, 2002 | EF2 | 50 km | 0.1 mi | 0 |
| Jul 6, 1999 | EF2 | 87 km | 7.5 mi | 0 |
| May 31, 1998 | EF2 | 65 km | 0.5 mi | 0 |
| Jul 3, 1997 | EF2 | 77 km | 2.0 mi | 0 |
| Jun 22, 1981 | EF2 | 96 km | 8.7 mi | 0 |
| May 11, 1973 | EF2 | 33 km | 0.5 mi | 0 |
| Jul 3, 1972 | EF2 | 76 km | 1.0 mi | 0 |
| Jun 6, 1969 | EF2 | 72 km | 1.5 mi | 0 |
| May 29, 1969 | EF2 | 71 km | 0.5 mi | 0 |
| Jul 17, 1968 | EF2 | 90 km | 0.1 mi | 0 |
| Aug 11, 1966 | EF2 | 56 km | 9.0 mi | 0 |
| Aug 11, 1966 | EF2 | 28 km | 1.0 mi | 0 |
| Aug 13, 1963 | EF2 | 79 km | 2.0 mi | 0 |
| Jul 18, 1963 | EF2 | 93 km | 0.1 mi | 0 |
| Jun 9, 1963 | EF2 | 91 km | 10.0 mi | 0 |
| Jul 9, 1962 | EF2 | 32 km | 7.7 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 18°F (-8°C) | 3.0 in | Coldest |
| February | 20°F (-6°C) | 2.6 in | Driest |
| March | 31°F (-1°C) | 3.2 in | |
| April | 42°F (6°C) | 3.4 in | |
| May | 55°F (13°C) | 3.7 in | |
| June | 63°F (17°C) | 3.6 in | |
| July | 69°F (20°C) | 3.7 in | Warmest |
| August | 66°F (19°C) | 3.9 in | Wettest |
| September | 58°F (14°C) | 3.5 in | |
| October | 47°F (8°C) | 3.5 in | |
| November | 36°F (2°C) | 3.7 in | |
| December | 24°F (-5°C) | 3.3 in |
Plainfield has a seasonal temperature swing of 51°F / from 18°F in January to 69°F in July. Total annual precipitation is 41.0 inches, with August being the wettest month (3.9") and February the driest (2.6").