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Weather & Climate in Hopkinton, RI

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

Hopkinton experiences four distinct seasons with an average annual temperature of 53°F (11°C). Winters average 32°F in January while summers reach 74°F in July. The area gets 275 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 42.8 inches. Air quality is rated Good with a median AQI of 35. The city sits at an elevation of 197 feet.

Temperature

32°F Jan (0°C) 74°F Jul (23°C)
Annual Average52.5°F
3% below US avg
January Average32°F (0°C)
July Average74°F (23°C)
Sunny Days275 days/yr

Geography

Elevation197 ft (60 m)
Area3.3 sq mi (8.6 km²)
Population Density122/sq mi
Coordinates41.4669°N, 71.7811°W
TimezoneAmerica/New_York
CountyWashington County County
Nearest AirportRhode Island Tf Green International (PVD)
25 miles away

Precipitation & Snow

Annual Rainfall 42.8"
13% above US avg
Wettest Month (Nov) 4.69"
Driest Month (Jul) 3.23"

Air Quality

AQI Median35.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score64.0 / 100
Social Vulnerability12.2 / 100
Community Resilience97.1 / 100

Hazard Breakdown

Tornado Relatively Low
Hurricane Relatively Moderate
Earthquake Relatively Low
Wildfire Very Low
Flood Relatively Moderate
Hail Very Low
Strong Wind Relatively Low
Heat Wave Relatively Low
Winter Weather Relatively Low
Lightning Relatively Moderate
Ice Storm Relatively Moderate
Drought Relatively Low
Cold Wave Relatively Low
Landslide Very Low
Coastal Flood Relatively Moderate
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

14 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.

Oct 2, 1994 6 km W of Hardwick, Massachusetts M3.7 106 km 10 km
Jan 12, 2015 0 km NE of Wauregan, Connecticut M3.3 33 km 5 km
Jun 16, 2000 5 km NE of Granville, Massachusetts M3.3 111 km 10 km
Oct 2, 1994 1 km NW of Hardwick, Massachusetts M3.3 106 km 10 km
Mar 22, 1996 2 km NE of Bristol, Rhode Island M3.1 51 km 12 km
Apr 9, 2019 63 km SSE of Sagaponack, New York M3.0 120 km 7 km
Mar 10, 1992 2 km SW of Napeague, New York M2.8 59 km 10 km
Oct 11, 1990 5 km NNE of The Pinehills, Massachusetts M2.7 113 km 13 km
Oct 13, 1999 2 km E of Littleton Common, Massachusetts M2.7 124 km 2 km
Aug 14, 2014 6 km SW of Deep River Center, Connecticut M2.7 61 km 4 km
Apr 22, 1996 3 km NE of North Westport, Massachusetts M2.6 64 km 5 km
Jan 13, 2015 2 km E of Wauregan, Connecticut M2.6 32 km 9 km
Jun 7, 2002 3 km NNW of Hopedale, Massachusetts M2.5 79 km 5 km
Jan 23, 1990 3 km NNW of Boxborough, Massachusetts M2.5 119 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Hurricane History

5 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.

Year Name Category Max Wind Closest
2021 Henri Category 1 75 mph 239 km
2014 Arthur Category 1 75 mph 225 km
1996 Edouard Category 1 81 mph 273 km
1991 Bob Category 2 109 mph 33 km
1985 Gloria Category 1 86 mph 97 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).

Tornado History

151 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 5 fatalities, 608 injuries.

Date Rating Distance Path Fatalities
Jul 10, 1989 EF4 94 km 3.0 mi 0
Oct 3, 1979 EF4 87 km 11.3 mi 3
May 10, 1954 EF3 76 km 0.3 mi 0
Jun 9, 1953 EF3 78 km 28.0 mi 0
Aug 21, 1951 EF3 61 km 0.1 mi 0
Aug 18, 2023 EF2 41 km 9.1 mi 0
Aug 8, 1999 EF2 81 km 4.0 mi 0
Aug 7, 1986 EF2 44 km 4.0 mi 0
Jul 5, 1984 EF2 100 km 3.0 mi 0
Aug 10, 1979 EF2 99 km 9.7 mi 2
Sep 18, 1973 EF2 94 km 0.1 mi 0
Sep 6, 1973 EF2 72 km 3.3 mi 0
Aug 31, 1973 EF2 84 km 0.1 mi 0
Aug 28, 1970 EF2 75 km 1.0 mi 0
Nov 18, 1967 EF2 92 km 0.1 mi 0
Aug 31, 1966 EF2 93 km 1.0 mi 0
Aug 19, 1965 EF2 80 km 6.6 mi 0
May 20, 1963 EF2 99 km 3.8 mi 0
Oct 12, 1962 EF2 75 km 4.1 mi 0
Sep 7, 1958 EF2 65 km 1.3 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

1 tsunami recorded within 500 km. Highest wave on record: 0.3 m (1 ft).

Year Location Cause Max Wave Deaths Distance
1964 LONG ISLAND, NY Meteorological 0.3 m — 133 km
Source: NOAA/NCEI Historical Tsunami Database.

Wildfire History

1 wildfire (100+ acres) recorded within 100 km. Largest: NOMANS AERIAL RX (546 acres, 2008).

Year Name Acres Burned Distance
2008 NOMANS AERIAL RX 546 84 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 32°F (0°C) 4.1 in
February 29°F (-2°C) 3.6 in Coldest
March 37°F (3°C) 4.4 in
April 46°F (8°C) 4.3 in
May 56°F (13°C) 3.8 in
June 65°F (18°C) 3.6 in
July 74°F (23°C) 3.2 in Warmest, Driest
August 71°F (21°C) 4.0 in
September 63°F (17°C) 3.9 in
October 53°F (12°C) 3.8 in
November 44°F (7°C) 4.7 in Wettest
December 34°F (1°C) 4.4 in

Hopkinton has a seasonal temperature swing of 45°F / from 29°F in February to 74°F in July. Total annual precipitation is 47.7 inches, with November being the wettest month (4.7") and July the driest (3.2").

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