Sign In Register

Weather & Climate in Millgrove, IN

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

Millgrove experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 26°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 41.7 inches. The area receives 32.2 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 934 feet.

Temperature

26°F Jan (-3°C) 74°F Jul (23°C)
Annual Average51.3°F
5% below US avg
January Average26°F (-3°C)
July Average74°F (23°C)
Sunny Days275 days/yr

Geography

Elevation934 ft (285 m)
Area0.2 sq mi (0.5 km²)
Population Density135/sq mi
Coordinates40.4049°N, 85.2772°W
TimezoneAmerica/Indiana/Indianapolis
CountyBlackford County County
Nearest AirportDelaware County Regional (MIE)
13 miles away

Precipitation & Snow

Annual Rainfall 41.7"
10% above US avg
Snowfall 32.2"
Wettest Month (Jun) 3.94"
Driest Month (Jan) 1.97"

Air Quality

AQI Median41.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score9.0 / 100
Social Vulnerability51.5 / 100
Community Resilience90.1 / 100

Hazard Breakdown

Tornado Relatively Low
Hurricane Very Low
Earthquake Very Low
Wildfire Very Low
Flood Very Low
Hail Relatively Low
Strong Wind Relatively Low
Heat Wave Very Low
Winter Weather Very Low
Lightning Very Low
Ice Storm Very Low
Drought Very Low
Cold Wave Very Low
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.

Sep 12, 2004 4 km NW of Manilla, Indiana M3.8 95 km 2 km
Dec 20, 1990 5 km S of Stilesville, Indiana M3.7 147 km 5 km
Apr 14, 2000 4 km NW of Heritage Lake, Indiana M3.6 144 km 5 km
Jan 26, 2012 5 km NE of Topeka, Indiana M3.0 131 km 5 km
Apr 17, 1990 8 km NW of Fort Recovery, Ohio M3.0 37 km 5 km
Apr 4, 1994 2 km WNW of Minster, Ohio M2.9 74 km 5 km
May 12, 2006 2 km E of Lima, Ohio M2.8 108 km 5 km
Jun 12, 2015 6 km NW of Convoy, Ohio M2.6 75 km 5 km
Jan 30, 2004 2 km S of Rockford, Ohio M2.5 61 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

568 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 49 fatalities, 1,682 injuries.

Date Rating Distance Path Fatalities
May 27, 2019 EF4 95 km 18.2 mi 0
Nov 10, 2002 EF4 60 km 52.8 mi 4
Jun 11, 1998 EF4 90 km 13.2 mi 0
Feb 18, 1992 EF4 70 km 2.8 mi 0
Jul 9, 1980 EF4 89 km 11.0 mi 2
Apr 3, 1974 EF4 40 km 18.0 mi 1
Apr 3, 1974 EF4 79 km 18.9 mi 0
May 14, 1972 EF4 98 km 30.0 mi 0
Apr 11, 1965 EF4 18 km 52.5 mi 4
Apr 11, 1965 EF4 93 km 48.0 mi 25
Apr 11, 1965 EF4 76 km 18.4 mi 3
Mar 6, 1956 EF4 31 km 1.9 mi 1
Mar 14, 2024 EF3 95 km 31.3 mi 3
Mar 14, 2024 EF3 28 km 41.3 mi 1
Mar 31, 2023 EF3 28 km 6.4 mi 0
May 27, 2019 EF3 96 km 13.7 mi 0
May 27, 2019 EF3 22 km 12.8 mi 0
May 27, 2019 EF3 84 km 10.5 mi 0
May 27, 2019 EF3 52 km 10.8 mi 1
Aug 24, 2016 EF3 77 km 8.6 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 26°F (-3°C) 2.0 in Coldest, Driest
February 27°F (-3°C) 2.0 in
March 38°F (3°C) 3.1 in
April 49°F (9°C) 3.7 in
May 60°F (16°C) 3.8 in
June 69°F (21°C) 3.9 in Wettest
July 74°F (23°C) 3.9 in Warmest
August 71°F (22°C) 3.5 in
September 64°F (18°C) 3.0 in
October 53°F (12°C) 2.6 in
November 41°F (5°C) 3.0 in
December 30°F (-1°C) 2.8 in

Millgrove has a seasonal temperature swing of 48°F / from 26°F in January to 74°F in July. Total annual precipitation is 37.3 inches, with June being the wettest month (3.9") and January the driest (2.0").

View full profile of Millgrove, IN →