Weather & Climate in New Ross, IN
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
New Ross experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 25°F in January while summers reach 72°F in July. Annual precipitation totals 44.2 inches. The area receives 21.7 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 35. 94% of days have good air quality. The city sits at an elevation of 884 feet.
Temperature
25°F Jan (-4°C)
72°F Jul (22°C)
| Annual Average | 50.4°F |
| 7% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 72°F (22°C) |
Geography
| Elevation | 884 ft (269 m) |
| Area | 0.3 sq mi (0.8 km²) |
| Population Density | 1,270/sq mi |
| Coordinates | 39.9646°N, 86.7142°W |
| Timezone | America/Indiana/Indianapolis |
| County | Hendricks County County |
| Nearest Airport | Indianapolis International (IND) 28 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
| Good Days % | 93.8% |
| Unhealthy Days | 0 |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 76.8 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 91.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
9 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Jun 17, 2021 | Illinois-Indiana border region | M3.8 | 51 km | 6 km |
| Nov 11, 1991 | 3 km W of Flat Rock, Illinois | M3.8 | 146 km | 0 km |
| Sep 12, 2004 | 4 km NW of Manilla, Indiana | M3.8 | 99 km | 2 km |
| Dec 20, 1990 | 5 km S of Stilesville, Indiana | M3.7 | 42 km | 5 km |
| Apr 14, 2000 | 4 km NW of Heritage Lake, Indiana | M3.6 | 23 km | 5 km |
| Dec 17, 1990 | Illinois-Indiana border region | M3.2 | 30 km | 10 km |
| May 10, 2012 | 0 km NW of Emison, Indiana | M3.1 | 144 km | 11 km |
| Dec 16, 1996 | 3 km NNE of Terre Haute, Indiana | M3.1 | 78 km | 5 km |
| May 10, 2012 | 1 km NNW of Emison, Indiana | M2.7 | 143 km | 9 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
629 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 87 fatalities, 1,948 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 11, 1998 | EF4 | 68 km | 13.2 mi | 0 |
| Apr 26, 1994 | EF4 | 61 km | 14.0 mi | 3 |
| Mar 20, 1976 | EF4 | 61 km | 16.7 mi | 0 |
| Apr 3, 1974 | EF4 | 69 km | 108.7 mi | 18 |
| Apr 3, 1974 | EF4 | 94 km | 18.9 mi | 0 |
| May 14, 1972 | EF4 | 58 km | 30.0 mi | 0 |
| Apr 11, 1965 | EF4 | 56 km | 48.0 mi | 25 |
| Apr 11, 1965 | EF4 | 15 km | 45.7 mi | 28 |
| Apr 11, 1965 | EF4 | 42 km | 21.8 mi | 0 |
| Apr 25, 1961 | EF4 | 89 km | 63.1 mi | 0 |
| Mar 31, 2023 | EF3 | 74 km | 5.9 mi | 2 |
| Mar 31, 2023 | EF3 | 71 km | 5.5 mi | 0 |
| Aug 24, 2016 | EF3 | 71 km | 8.6 mi | 0 |
| Nov 17, 2013 | EF3 | 44 km | 37.9 mi | 0 |
| Jun 5, 2010 | EF3 | 87 km | 7.5 mi | 0 |
| May 30, 2004 | EF3 | 99 km | 4.5 mi | 0 |
| Sep 20, 2002 | EF3 | 82 km | 112.0 mi | 0 |
| Jun 11, 1998 | EF3 | 73 km | 18.5 mi | 0 |
| Nov 22, 1992 | EF3 | 80 km | 5.3 mi | 0 |
| Nov 22, 1992 | EF3 | 52 km | 9.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: UNNAMED (1,102 acres, 2007).
| Year | Name | Acres Burned | Distance |
| 2007 | UNNAMED | 1,102 | 91 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 2.9 in | Coldest |
| February | 29°F (-2°C) | 2.5 in | Driest |
| March | 39°F (4°C) | 3.2 in | |
| April | 50°F (10°C) | 4.4 in | |
| May | 61°F (16°C) | 4.5 in | |
| June | 70°F (21°C) | 5.3 in | Wettest |
| July | 72°F (22°C) | 4.4 in | Warmest |
| August | 71°F (21°C) | 3.9 in | |
| September | 64°F (18°C) | 3.2 in | |
| October | 53°F (12°C) | 3.4 in | |
| November | 41°F (5°C) | 3.6 in | |
| December | 30°F (-1°C) | 2.9 in |
New Ross has a seasonal temperature swing of 47°F / from 25°F in January to 72°F in July. Total annual precipitation is 44.2 inches, with June being the wettest month (5.3") and February the driest (2.5").