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Weather & Climate in Pocahontas, IL

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

Pocahontas enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 34°F in January while summers reach 79°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 43.4 inches. The area receives 11.2 inches of snow annually. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 542 feet.

Temperature

34°F Jan (1°C) 79°F Jul (26°C)
Annual Average57.7°F
7% above US avg
January Average34°F (1°C)
July Average79°F (26°C)
Sunny Days293 days/yr

Geography

Elevation542 ft (165 m)
Area0.3 sq mi (0.8 km²)
Population Density1,018/sq mi
Coordinates38.8244°N, 89.5388°W
TimezoneAmerica/Chicago
CountyBond County County
Nearest AirportSt Louis Regional (ALN)
28 miles away

Precipitation & Snow

Annual Rainfall 43.4"
14% above US avg
Snowfall 11.2"
Wettest Month (May) 4.13"
Driest Month (Jan) 1.93"

Air Quality

AQI Median43.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score36.2 / 100
Social Vulnerability43.7 / 100
Community Resilience76.8 / 100

Hazard Breakdown

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

Earthquake History

55 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.2.

Apr 18, 2008 7 km NNE of Bellmont, Illinois M5.2 149 km 14 km
Jun 7, 2011 18 km NNW of Potosi, Missouri M3.9 145 km 21 km
Sep 19, 2017 4 km N of Bellmont, Illinois M3.8 148 km 12 km
Nov 20, 2012 7 km N of Bellmont, Illinois M3.6 148 km 19 km
Jan 2, 2006 3 km NNE of Eldorado, Illinois M3.6 147 km 7 km
May 30, 2015 4 km ENE of Geff, Illinois M3.4 110 km 26 km
Mar 2, 1990 9 km NW of Vernon, Illinois M3.4 32 km 0 km
Aug 27, 1993 5 km SSE of Olympian Village, Missouri M3.3 113 km 22 km
May 13, 2025 7 km SSW of Lerna, Illinois M3.3 120 km 10 km
Dec 27, 1992 2 km E of Pocahontas, Missouri M3.2 147 km 10 km
Jan 29, 1993 7 km WNW of Brownstown, Illinois M3.2 50 km 5 km
May 2, 2003 10 km ENE of Thompsonville, Illinois M3.2 122 km 0 km
Apr 6, 1994 2 km NE of Tamaroa, Illinois M3.2 80 km 15 km
Oct 24, 1990 5 km ENE of Woodlawn, Illinois M3.2 73 km 1 km
Jul 1, 2017 9 km SSE of Mulberry Grove, Illinois M3.1 27 km 17 km
Jul 18, 2008 6 km NNE of Bellmont, Illinois M3.1 149 km 18 km
Jan 23, 1991 3 km WSW of Logan, Illinois M3.1 114 km 1 km
Sep 9, 2017 4 km N of Bellmont, Illinois M3.1 148 km 12 km
Jun 27, 2005 6 km E of Grand Tower, Illinois M3.0 133 km 10 km
Feb 28, 1994 5 km NW of Harrison, Illinois M3.0 111 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

635 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 59 fatalities, 1,085 injuries.

Date Rating Distance Path Fatalities
Dec 18, 1957 EF5 87 km 5.4 mi 1
Nov 17, 2013 EF4 46 km 10.6 mi 2
Apr 22, 2011 EF4 83 km 21.3 mi 0
Jun 2, 1990 EF4 97 km 23.0 mi 0
Apr 3, 1981 EF4 53 km 11.9 mi 0
Jan 24, 1967 EF4 89 km 25.0 mi 3
Feb 10, 1959 EF4 98 km 23.9 mi 21
Dec 18, 1957 EF4 73 km 16.8 mi 1
Dec 10, 2021 EF3 46 km 4.2 mi 6
Dec 1, 2018 EF3 67 km 12.5 mi 0
May 31, 2013 EF3 53 km 10.6 mi 0
Apr 19, 2011 EF3 73 km 4.3 mi 0
Dec 31, 2010 EF3 89 km 6.7 mi 1
Apr 21, 2002 EF3 88 km 31.5 mi 1
Jun 1, 1999 EF3 56 km 10.0 mi 1
Nov 15, 1988 EF3 46 km 9.0 mi 0
May 1, 1983 EF3 82 km 4.0 mi 0
May 1, 1983 EF3 57 km 16.0 mi 0
Dec 2, 1982 EF3 37 km 10.5 mi 2
May 29, 1982 EF3 89 km 10.0 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 34°F (1°C) 1.9 in Driest
February 33°F (0°C) 2.2 in Coldest
March 43°F (6°C) 3.6 in
April 54°F (12°C) 3.7 in
May 64°F (18°C) 4.1 in Wettest
June 73°F (23°C) 3.9 in
July 79°F (26°C) 3.6 in Warmest
August 75°F (24°C) 3.0 in
September 68°F (20°C) 3.2 in
October 57°F (14°C) 2.8 in
November 45°F (7°C) 3.4 in
December 34°F (1°C) 3.1 in

Pocahontas has a seasonal temperature swing of 47°F / from 33°F in February to 79°F in July. Total annual precipitation is 38.5 inches, with May being the wettest month (4.1") and January the driest (1.9").

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