Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Grandview Lake experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 27°F in January while summers reach 74°F in July. The area gets 293 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 45.4 inches. The area receives 16.9 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 752 feet.
Temperature
27°F Jan (-3°C)74°F Jul (23°C)
Annual Average
51.6°F
4% below US avg
January Average
27°F (-3°C)
July Average
74°F (23°C)
Sunny Days
293 days/yr
Geography
Elevation
752 ft (229 m)
Area
0.5 sq mi (1.3 km²)
Population Density
613/sq mi
Coordinates
39.1516°N, 86.0396°W
Timezone
America/Indiana/Indianapolis
County
Brown County County
Nearest Airport
Indianapolis International (IND) 41 miles away
Precipitation & Snow
Annual Rainfall45.4"
19% above US avg
Snowfall16.9"
Wettest Month (May)4.76"
Driest Month (Feb)2.68"
Air Quality
AQI Median
41.0
Rating
Good
Natural Hazard Risk
Overall Risk
Very Low
Risk Score
19.7 / 100
Social Vulnerability
47.4 / 100
Community Resilience
59.7 / 100
Hazard Breakdown
Tornado
Relatively Low
Hurricane
Very Low
Earthquake
Very Low
Wildfire
Very Low
Flood
Relatively Low
Hail
Very Low
Strong Wind
Relatively Low
Heat Wave
Very Low
Winter Weather
Relatively Low
Lightning
Very Low
Ice Storm
Relatively Moderate
Drought
Very Low
Cold Wave
Very Low
Landslide
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
14 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M3.9.
Jan 24, 1990
6 km WNW of Alton, Indiana
M3.9
119 km
10 km
Jun 17, 2021
Illinois-Indiana border region
M3.8
131 km
6 km
Nov 11, 1991
3 km W of Flat Rock, Illinois
M3.8
147 km
0 km
Jan 27, 1990
6 km N of Alton, Indiana
M3.8
113 km
5 km
Sep 12, 2004
4 km NW of Manilla, Indiana
M3.8
60 km
2 km
Dec 20, 1990
5 km S of Stilesville, Indiana
M3.7
70 km
5 km
Apr 14, 2000
4 km NW of Heritage Lake, Indiana
M3.6
91 km
5 km
Dec 17, 1990
Illinois-Indiana border region
M3.2
133 km
10 km
May 10, 2012
0 km NW of Emison, Indiana
M3.1
129 km
11 km
Dec 16, 1996
3 km NNE of Terre Haute, Indiana
M3.1
123 km
5 km
May 10, 2012
1 km NNW of Emison, Indiana
M2.7
129 km
9 km
Mar 9, 1990
8 km ENE of New Amsterdam, Indiana
M2.7
113 km
5 km
Mar 21, 1990
1 km W of Spring Mill, Kentucky
M2.7
117 km
4 km
Jan 29, 1990
11 km S of Paoli, Indiana
M2.6
86 km
0 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
558 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 49 fatalities, 1,049 injuries.
Date
Rating
Distance
Path
Fatalities
Mar 2, 2012
EF4
81 km
45.1 mi
11
Jun 11, 1998
EF4
70 km
13.2 mi
0
Jun 2, 1990
EF4
59 km
11.0 mi
1
Jun 2, 1990
EF4
97 km
33.0 mi
0
Jun 2, 1990
EF4
40 km
18.0 mi
0
Jul 9, 1980
EF4
71 km
11.0 mi
2
Apr 3, 1974
EF4
28 km
35.6 mi
4
Apr 3, 1974
EF4
75 km
18.9 mi
0
Apr 3, 1974
EF4
71 km
35.6 mi
11
Apr 3, 1974
EF4
79 km
27.1 mi
0
May 14, 1972
EF4
69 km
30.0 mi
0
Apr 25, 1961
EF4
52 km
63.1 mi
0
Mar 31, 2023
EF3
43 km
5.5 mi
0
Mar 31, 2023
EF3
62 km
5.9 mi
2
Mar 2, 2012
EF3
55 km
8.7 mi
3
May 25, 2011
EF3
43 km
6.8 mi
0
Mar 8, 2009
EF3
59 km
1.1 mi
0
Jun 3, 2008
EF3
46 km
9.7 mi
1
Oct 18, 2007
EF3
87 km
4.8 mi
0
Nov 15, 2005
EF3
28 km
10.0 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: JPG 09 1 (6,113 acres, 1998).
Year
Name
Acres Burned
Distance
1998
JPG 09 1
6,113
61 km
2005
RX BURNPLAN AREA 2-06
5,054
63 km
2007
UNITS 8-9 2008
4,316
62 km
2006
UNIT 19 06 WUI
3,412
63 km
2003
WUI 3 03
3,372
56 km
2010
WUI UNIT 28K
3,230
56 km
1999
UNNAMED
3,122
55 km
2002
UNIT 8
2,753
61 km
2005
UNIT 3 05
2,511
56 km
2001
01 UNIT 16
2,361
64 km
2011
WUI UNITS 0 AND 1 2011
2,215
61 km
2004
UNIT 19
2,004
62 km
2003
UNIT 8 03
1,971
60 km
2008
FY 09 UNIT 42 RX FALL 2008
1,942
58 km
2000
JPG 14
1,908
63 km
2003
UNIT 16 03
1,809
64 km
2021
UNNAMED
1,547
19 km
2002
UNIT 9
1,485
63 km
1995
UNNAMED
1,462
58 km
2010
TRACER
1,408
56 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
27°F (-3°C)
2.8 in
Coldest
February
32°F (0°C)
2.7 in
Driest
March
42°F (6°C)
3.8 in
April
53°F (11°C)
4.6 in
May
62°F (17°C)
4.8 in
Wettest
June
70°F (21°C)
3.7 in
July
74°F (23°C)
4.3 in
Warmest
August
73°F (23°C)
4.0 in
September
66°F (19°C)
3.2 in
October
55°F (13°C)
3.1 in
November
44°F (7°C)
3.9 in
December
34°F (1°C)
3.3 in
Grandview Lake has a seasonal temperature swing of 47°F / from 27°F in January to 74°F in July. Total annual precipitation is 44.1 inches, with May being the wettest month (4.8") and February the driest (2.7").