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Weather & Climate in Panama, IL
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Panama experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 28°F in January while summers reach 76°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 40.0 inches. The area receives 16.5 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 593 feet.
Temperature
28°F Jan (-2°C)
76°F Jul (25°C)
| Annual Average | 53.4°F |
| 1% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 76°F (25°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 593 ft (181 m) |
| Area | 0.1 sq mi (0.4 km²) |
| Population Density | 884/sq mi |
| Coordinates | 39.0293°N, 89.5244°W |
| Timezone | America/Chicago |
| County | Montgomery County County |
| Nearest Airport | St Louis Regional (ALN) 30 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 65.4 / 100 |
| Social Vulnerability | 55.4 / 100 |
| Community Resilience | 76.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
35 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.4.
| Mar 2, 1990 | 9 km NW of Vernon, Illinois | M3.4 | 37 km | 0 km |
| May 30, 2015 | 4 km ENE of Geff, Illinois | M3.4 | 119 km | 26 km |
| Aug 27, 1993 | 5 km SSE of Olympian Village, Missouri | M3.3 | 131 km | 22 km |
| May 13, 2025 | 7 km SSW of Lerna, Illinois | M3.3 | 110 km | 10 km |
| May 2, 2003 | 10 km ENE of Thompsonville, Illinois | M3.2 | 140 km | 0 km |
| Apr 6, 1994 | 2 km NE of Tamaroa, Illinois | M3.2 | 101 km | 15 km |
| Oct 24, 1990 | 5 km ENE of Woodlawn, Illinois | M3.2 | 90 km | 1 km |
| Jan 29, 1993 | 7 km WNW of Brownstown, Illinois | M3.2 | 43 km | 5 km |
| Jul 1, 2017 | 9 km SSE of Mulberry Grove, Illinois | M3.1 | 33 km | 17 km |
| Jan 23, 1991 | 3 km WSW of Logan, Illinois | M3.1 | 134 km | 1 km |
| Feb 28, 1994 | 5 km NW of Harrison, Illinois | M3.0 | 134 km | 5 km |
| Sep 5, 1995 | 3 km N of Woodlawn, Illinois | M2.9 | 86 km | 4 km |
| Sep 5, 2004 | 3 km WNW of Saint Peter, Illinois | M2.9 | 57 km | 33 km |
| Apr 24, 1990 | 5 km SW of Newton, Illinois | M2.9 | 115 km | 18 km |
| May 18, 2006 | 9 km SSE of De Soto, Missouri | M2.9 | 139 km | 6 km |
| Apr 29, 2022 | 1 km SSW of Peerless Park, Missouri | M2.8 | 101 km | 8 km |
| Mar 28, 2024 | 1 km NNE of Germantown, Illinois | M2.8 | 51 km | 24 km |
| Sep 13, 1997 | 3 km SSE of Darmstadt, Illinois | M2.8 | 84 km | 16 km |
| May 5, 2008 | 3 km SSE of Fenton, Missouri | M2.8 | 98 km | 19 km |
| Sep 10, 2023 | 9 km E of Parkersburg, Illinois | M2.7 | 145 km | 21 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
657 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 44 fatalities, 862 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Nov 17, 2013 | EF4 | 68 km | 10.6 mi | 2 |
| Apr 22, 2011 | EF4 | 89 km | 21.3 mi | 0 |
| Apr 3, 1981 | EF4 | 63 km | 11.9 mi | 0 |
| Jan 24, 1967 | EF4 | 97 km | 25.0 mi | 3 |
| Dec 18, 1957 | EF4 | 92 km | 16.8 mi | 1 |
| Jun 14, 1957 | EF4 | 82 km | 4.3 mi | 2 |
| Dec 10, 2021 | EF3 | 55 km | 4.2 mi | 6 |
| Dec 1, 2018 | EF3 | 44 km | 12.5 mi | 0 |
| May 31, 2013 | EF3 | 60 km | 10.6 mi | 0 |
| Apr 19, 2011 | EF3 | 53 km | 4.3 mi | 0 |
| Jun 1, 1999 | EF3 | 35 km | 10.0 mi | 1 |
| Apr 19, 1996 | EF3 | 93 km | 14.5 mi | 0 |
| May 9, 1995 | EF3 | 96 km | 50.0 mi | 0 |
| Nov 15, 1988 | EF3 | 61 km | 9.0 mi | 0 |
| May 1, 1983 | EF3 | 71 km | 4.0 mi | 0 |
| May 1, 1983 | EF3 | 70 km | 16.0 mi | 0 |
| Dec 2, 1982 | EF3 | 59 km | 10.5 mi | 2 |
| Apr 7, 1980 | EF3 | 75 km | 7.3 mi | 0 |
| Jul 26, 1978 | EF3 | 89 km | 8.9 mi | 0 |
| Aug 21, 1977 | EF3 | 88 km | 26.9 mi | 6 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 2.0 in | Coldest, Driest |
| February | 32°F (-0°C) | 2.1 in | |
| March | 43°F (6°C) | 3.5 in | |
| April | 54°F (12°C) | 4.0 in | |
| May | 64°F (18°C) | 4.3 in | Wettest |
| June | 73°F (23°C) | 4.0 in | |
| July | 76°F (25°C) | 3.5 in | Warmest |
| August | 75°F (24°C) | 3.2 in | |
| September | 68°F (20°C) | 3.2 in | |
| October | 56°F (13°C) | 2.8 in | |
| November | 44°F (7°C) | 3.5 in | |
| December | 33°F (0°C) | 3.0 in |
Panama has a seasonal temperature swing of 48°F / from 28°F in January to 76°F in July. Total annual precipitation is 39.0 inches, with May being the wettest month (4.3") and January the driest (2.0").