Sign In Register

Weather & Climate in Joy, IL

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

Joy experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 22°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 39.1 inches. The area receives 21.8 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 685 feet.

Temperature

22°F Jan (-5°C) 74°F Jul (23°C)
Annual Average50.0°F
7% below US avg
January Average22°F (-5°C)
July Average74°F (23°C)
Sunny Days275 days/yr

Geography

Elevation685 ft (209 m)
Area0.2 sq mi (0.4 km²)
Population Density877/sq mi
Coordinates41.1969°N, 90.8788°W
TimezoneAmerica/Chicago
CountyMercer County County
Nearest AirportQuad Cities International (MLI)
26 miles away

Precipitation & Snow

Annual Rainfall 39.1"
3% above US avg
Snowfall 21.8"
Wettest Month (Jul) 4.21"
Driest Month (Feb) 1.14"

Air Quality

AQI Median43.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score8.8 / 100
Social Vulnerability10.6 / 100
Community Resilience85.7 / 100

Hazard Breakdown

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

Earthquake History

1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.5.

Sep 2, 1999 8 km W of Amboy, Illinois M3.5 134 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

641 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 8 fatalities, 300 injuries.

Date Rating Distance Path Fatalities
Mar 31, 2023 EF4 97 km 19.9 mi 0
May 13, 1995 EF4 78 km 50.0 mi 0
Mar 29, 1981 EF4 94 km 5.1 mi 0
Apr 11, 1965 EF4 73 km 91.5 mi 1
Jun 1, 2007 EF3 27 km 15.8 mi 0
May 15, 1998 EF3 72 km 47.0 mi 0
May 9, 1995 EF3 43 km 10.0 mi 0
May 9, 1995 EF3 91 km 22.0 mi 0
Mar 13, 1990 EF3 67 km 15.5 mi 0
May 8, 1988 EF3 62 km 32.0 mi 0
Aug 15, 1978 EF3 12 km 6.4 mi 0
Jul 23, 1975 EF3 86 km 11.1 mi 0
Jul 23, 1975 EF3 91 km 14.0 mi 2
Jun 13, 1975 EF3 78 km 6.6 mi 0
Jun 14, 1974 EF3 27 km 48.6 mi 0
May 13, 1974 EF3 53 km 3.6 mi 0
Apr 21, 1967 EF3 91 km 0.1 mi 0
Jan 24, 1967 EF3 69 km 4.3 mi 1
Apr 19, 1966 EF3 46 km 2.0 mi 0
Aug 25, 1965 EF3 51 km 3.0 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

5 wildfires (100+ acres) recorded within 100 km. Largest: UNIT 3 (1,206 acres, 1999).

Year Name Acres Burned Distance
1999 UNIT 3 1,206 20 km
2002 HSB 03 2 1,130 21 km
2000 DESTRUST A 756 20 km
2006 HSB 003 674 21 km
2004 HSB 009 608 20 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 22°F (-5°C) 1.3 in Coldest
February 27°F (-3°C) 1.1 in Driest
March 39°F (4°C) 2.6 in
April 51°F (11°C) 3.6 in
May 62°F (17°C) 3.9 in
June 71°F (22°C) 4.1 in
July 74°F (23°C) 4.2 in Warmest, Wettest
August 73°F (23°C) 4.0 in
September 65°F (18°C) 3.8 in
October 53°F (12°C) 2.8 in
November 39°F (4°C) 2.3 in
December 26°F (-3°C) 1.9 in

Joy has a seasonal temperature swing of 52°F / from 22°F in January to 74°F in July. Total annual precipitation is 35.6 inches, with July being the wettest month (4.2") and February the driest (1.1").

View full profile of Joy, IL →