Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Pingree Grove experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 22°F in January while summers reach 74°F in July. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 39.9 inches. The area receives 32.1 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 914 feet.
Temperature
22°F Jan (-6°C)74°F Jul (23°C)
Annual Average
49.0°F
9% below US avg
January Average
22°F (-6°C)
July Average
74°F (23°C)
Sunny Days
260 days/yr
Geography
Elevation
914 ft (279 m)
Area
4.0 sq mi (10.5 km²)
Population Density
2,618/sq mi
Coordinates
42.0876°N, 88.4360°W
Timezone
America/Chicago
County
McHenry County County
Nearest Airport
Chicago O'Hare International (ORD) 28 miles away
Precipitation & Snow
Annual Rainfall39.9"
5% above US avg
Snowfall32.1"
Wettest Month (Jun)4.25"
Driest Month (Feb)1.26"
Air Quality
AQI Median
43.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Moderate
Risk Score
90.8 / 100
Social Vulnerability
10.6 / 100
Community Resilience
84.0 / 100
Hazard Breakdown
Tornado
Relatively High
Hurricane
Very Low
Earthquake
Relatively Low
Wildfire
Very Low
Flood
Relatively Moderate
Hail
Relatively Moderate
Strong Wind
Relatively High
Heat Wave
Relatively Low
Winter Weather
Relatively Moderate
Lightning
Relatively Moderate
Ice Storm
Relatively Low
Drought
Relatively Low
Cold Wave
Relatively High
Landslide
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
8 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M4.2.
Jun 28, 2004
12 km NW of Dayton, Illinois
M4.2
80 km
10 km
Feb 10, 2010
2 km NW of Lily Lake, Illinois
M3.8
14 km
10 km
Sep 2, 1999
8 km W of Amboy, Illinois
M3.5
92 km
5 km
Nov 4, 2013
1 km SSW of Lyons, Illinois
M3.2
60 km
1 km
Jul 15, 2024
2 km WNW of Somonauk, Illinois
M3.1
54 km
10 km
Mar 25, 2015
3 km WNW of Lake in the Hills, Illinois
M2.9
13 km
6 km
Jun 10, 2013
4 km NNE of Virgil, Illinois
M2.6
12 km
5 km
Mar 15, 2025
6 km W of Dwight, Illinois
M2.6
112 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
592 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF5. Total: 112 fatalities, 2,156 injuries.
Date
Rating
Distance
Path
Fatalities
Aug 28, 1990
EF5
46 km
16.4 mi
29
Apr 9, 2015
EF4
75 km
30.1 mi
2
Apr 27, 1984
EF4
99 km
6.5 mi
1
Jun 29, 1979
EF4
65 km
5.4 mi
0
Jun 13, 1976
EF4
59 km
3.3 mi
2
Sep 28, 1972
EF4
51 km
5.2 mi
0
Apr 21, 1967
EF4
68 km
15.0 mi
33
Apr 21, 1967
EF4
15 km
8.8 mi
1
Apr 21, 1967
EF4
43 km
25.5 mi
24
Apr 11, 1965
EF4
15 km
9.1 mi
6
Jun 20, 2021
EF3
43 km
17.6 mi
0
Feb 28, 2017
EF3
95 km
11.5 mi
2
Jun 22, 2015
EF3
87 km
16.3 mi
0
Jan 7, 2008
EF3
52 km
10.8 mi
0
Jan 7, 2008
EF3
47 km
13.2 mi
0
Mar 27, 1991
EF3
63 km
15.0 mi
0
Apr 27, 1984
EF3
60 km
9.0 mi
1
Aug 5, 1979
EF3
95 km
5.7 mi
0
Jun 30, 1977
EF3
73 km
6.1 mi
0
Mar 12, 1976
EF3
51 km
22.6 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
1 tsunami recorded within 500 km.
Highest wave on record: 3.0 m (10 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1954
MICHIGAN CITY, IN (LAKE MICHIGAN)
Avalanche
3.0 m
7
136 km
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
9 wildfires (100+ acres) recorded within 100 km.
Largest: UNNAMED (1,741 acres, 2019).
Year
Name
Acres Burned
Distance
2019
UNNAMED
1,741
82 km
2019
UNNAMED
1,664
84 km
2021
NORTHEAST PRAIRIE UNIT 3
978
87 km
2024
NORTHEAST PRAIRIE 3 RX
938
85 km
2021
UNNAMED
738
84 km
2021
MIDDLE GRANT CREEK
700
83 km
2019
UNNAMED
698
85 km
2024
IBSP SOUTH F1 RX
690
62 km
2017
UNNAMED
549
83 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
22°F (-6°C)
1.5 in
Coldest
February
25°F (-4°C)
1.3 in
Driest
March
36°F (2°C)
2.5 in
April
47°F (9°C)
3.7 in
May
59°F (15°C)
3.7 in
June
68°F (20°C)
4.3 in
Wettest
July
74°F (23°C)
4.1 in
Warmest
August
70°F (21°C)
4.2 in
September
63°F (17°C)
3.9 in
October
51°F (11°C)
2.6 in
November
38°F (3°C)
2.9 in
December
25°F (-4°C)
2.1 in
Pingree Grove has a seasonal temperature swing of 52°F / from 22°F in January to 74°F in July. Total annual precipitation is 36.6 inches, with June being the wettest month (4.3") and February the driest (1.3").