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Weather & Climate in Shannon, MS

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

Shannon enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 43°F in January while summers reach 82°F in July. The area gets 301 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 59.3 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 269 feet.

Temperature

43°F Jan (6°C) 82°F Jul (28°C)
Annual Average63.2°F
17% above US avg
January Average43°F (6°C)
July Average82°F (28°C)
Sunny Days301 days/yr

Geography

Elevation269 ft (82 m)
Area4.1 sq mi (10.5 km²)
Population Density424/sq mi
Coordinates34.1144°N, 88.6931°W
TimezoneAmerica/Chicago
CountyLee County County
Nearest AirportTupelo Regional (TUP)
12 miles away

Precipitation & Snow

Annual Rainfall 59.3"
56% above US avg
Snowfall 0.0"
Wettest Month (Mar) 6.22"
Driest Month (Aug) 3.11"

Air Quality

AQI Median43.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score81.3 / 100
Social Vulnerability62.1 / 100
Community Resilience63.8 / 100

Hazard Breakdown

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

Earthquake History

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

Jun 30, 2015 12 km W of Union, Alabama M3.5 138 km 0 km
May 28, 1995 14 km WSW of Coker, Alabama M3.4 130 km 1 km
Jul 15, 1995 21 km SSW of Berry, Alabama M3.3 119 km 1 km
Sep 2, 1990 12 km NW of Fayette, Alabama M3.2 81 km 1 km
Jun 23, 1990 12 km E of Vernon, Alabama M3.2 77 km 1 km
Jun 23, 1990 8 km N of Belk, Alabama M3.1 82 km 6 km
Mar 12, 2015 14 km W of Union, Alabama M3.1 140 km 0 km
May 10, 2008 1 km SSE of Sherman, Mississippi M3.1 29 km 0 km
Feb 27, 2015 11 km WSW of Union, Alabama M3.1 141 km 0 km
May 28, 2000 3 km NE of Fayette, Alabama M3.0 93 km 0 km
May 28, 2000 13 km S of Winfield, Alabama M3.0 87 km 5 km
May 4, 1994 2 km NNW of Addison, Alabama M3.0 138 km 19 km
May 4, 2007 4 km SSW of Jasper, Alabama M3.0 133 km 5 km
May 4, 1994 12 km NNW of Addison, Alabama M3.0 135 km 5 km
Jan 5, 2012 11 km NW of Oakman, Alabama M2.9 118 km 8 km
Sep 13, 1998 6 km NNE of Coker, Alabama M2.9 133 km 16 km
Jun 25, 2020 4 km NNW of Berry, Alabama M2.9 110 km 1 km
Oct 3, 1993 3 km SW of Oakman, Alabama M2.8 127 km 10 km
Feb 25, 1999 10 km NE of Oakland, Mississippi M2.8 107 km 5 km
Jun 7, 2005 21 km WNW of Rock Creek, Alabama M2.8 144 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Hurricane History

1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.

Year Name Category Max Wind Closest
2005 Katrina Category 1 — 255 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).

Tornado History

541 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 200 fatalities, 1,611 injuries.

Date Rating Distance Path Fatalities
Apr 27, 2011 EF5 24 km 37.1 mi 23
Apr 27, 2011 EF5 50 km 132.0 mi 72
Apr 3, 1974 EF5 61 km 79.5 mi 28
Apr 19, 1970 EF4 73 km 47.6 mi 4
Apr 29, 1963 EF4 3 km 4.7 mi 3
Mar 24, 2023 EF3 30 km 36.6 mi 2
Feb 23, 2019 EF3 74 km 9.7 mi 1
Apr 28, 2014 EF3 17 km 31.0 mi 0
Apr 27, 2011 EF3 88 km 8.0 mi 0
Apr 27, 2011 EF3 70 km 31.8 mi 0
Apr 27, 2011 EF3 81 km 13.6 mi 0
Apr 27, 2011 EF3 73 km 51.5 mi 4
Apr 27, 2011 EF3 97 km 70.4 mi 0
May 2, 2010 EF3 89 km 29.6 mi 3
May 8, 2008 EF3 19 km 7.6 mi 0
Feb 5, 2008 EF3 84 km 7.2 mi 0
Jan 10, 2008 EF3 59 km 13.3 mi 0
Nov 10, 2002 EF3 91 km 72.6 mi 7
Nov 10, 2002 EF3 86 km 44.3 mi 4
Nov 10, 2002 EF3 82 km 29.2 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: COMP 109 (3,663 acres, 2010).

Year Name Acres Burned Distance
2010 COMP 109 3,663 69 km
2016 MSNXR FY16 RX 1703B 3,633 100 km
2014 C-55 CHILLI LAKE 3,555 75 km
1987 10 NOVEMBER 3,301 100 km
2017 UNNAMED 3,152 90 km
2014 C-39 EAST CHEWALLA 3,107 90 km
2017 UNNAMED 3,053 100 km
2017 UNNAMED 3,031 74 km
2022 HOLLY SPRINGS BB 119/90/88 2,955 77 km
2013 UNNAMED 2,848 87 km
2020 TOMBIGBEE COMP 54/55/56 2,846 100 km
2006 WITCHDCE W 2,846 30 km
2014 C-84 BAGLEY BOTTOMS 2,766 78 km
2022 TOMBIGBEE BB 54 55 56 2,736 100 km
2016 UNNAMED 2,645 67 km
2013 MIDWAY CEM PRESCRIBED BURN 2,513 76 km
1995 16 2,482 98 km
2016 UNNAMED 2,376 99 km
2015 UNNAMED 2,300 100 km
2007 WITCHDANCE EAST 2,285 29 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 43°F (6°C) 5.0 in Coldest
February 45°F (7°C) 4.8 in
March 54°F (12°C) 6.2 in Wettest
April 62°F (16°C) 5.3 in
May 70°F (21°C) 5.2 in
June 77°F (25°C) 3.9 in
July 82°F (28°C) 4.4 in Warmest
August 79°F (26°C) 3.1 in Driest
September 74°F (23°C) 3.7 in
October 62°F (17°C) 3.4 in
November 52°F (11°C) 4.8 in
December 44°F (7°C) 6.1 in

Shannon has a seasonal temperature swing of 40°F / from 43°F in January to 82°F in July. Total annual precipitation is 56.0 inches, with March being the wettest month (6.2") and August the driest (3.1").

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