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Weather & Climate in Sulphur Springs, AR

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

Sulphur Springs enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 39°F in January while summers reach 81°F in July. The area gets 305 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 48.6 inches (wetter than the 38-inch national average). The area receives 12.5 inches of snow annually. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 910 feet.

Temperature

39°F Jan (4°C) 81°F Jul (27°C)
Annual Average60.5°F
12% above US avg
January Average39°F (4°C)
July Average81°F (27°C)
Sunny Days305 days/yr

Geography

Elevation910 ft (277 m)
Area1.0 sq mi (2.6 km²)
Population Density1,025/sq mi
Coordinates36.4841°N, 94.4601°W
TimezoneAmerica/Chicago
CountyMcDonald County County
Nearest AirportNorthwest Arkansas Ntl (XNA)
16 miles away

Precipitation & Snow

Annual Rainfall 48.6"
28% above US avg
Snowfall 12.5"
Wettest Month (May) 5.08"
Driest Month (Jan) 2.01"

Air Quality

AQI Median43.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score64.0 / 100
Social Vulnerability27.4 / 100
Community Resilience2.1 / 100

Hazard Breakdown

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

Earthquake History

11 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.

Jun 11, 2017 6 km NNE of Bergman, Arkansas M3.6 132 km 6 km
Jun 16, 2017 6 km N of Bergman, Arkansas M2.9 132 km 6 km
Mar 23, 2024 9 km SE of Foyil, Oklahoma M2.8 90 km 5 km
Jan 14, 2016 7 km W of Talala, Oklahoma M2.7 118 km 5 km
Apr 3, 2016 Arkansas-Oklahoma border region M2.7 101 km 5 km
Sep 3, 2015 6 km WSW of Vera, Oklahoma M2.6 133 km 5 km
May 21, 2010 2 km SW of Centerton, Arkansas M2.6 21 km 1 km
Jun 21, 2017 6 km N of Bergman, Arkansas M2.5 131 km 5 km
May 13, 2015 8 km E of Lead Hill, Arkansas M2.5 147 km 0 km
Apr 29, 2010 3 km SW of Centerton, Arkansas M2.5 21 km 0 km
Aug 11, 2011 11 km WSW of Jasper, Arkansas M2.5 118 km 4 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

671 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 220 fatalities, 2,233 injuries.

Date Rating Distance Path Fatalities
May 22, 2011 EF5 64 km 21.6 mi 158
May 10, 2008 EF4 83 km 75.5 mi 21
Apr 24, 1975 EF4 40 km 11.9 mi 3
Sep 27, 1959 EF4 81 km 20.4 mi 1
Apr 3, 1956 EF4 56 km 41.8 mi 0
May 25, 2024 EF3 25 km 7.9 mi 0
Mar 30, 2022 EF3 49 km 5.2 mi 0
May 22, 2019 EF3 71 km 9.2 mi 0
May 22, 2019 EF3 94 km 11.3 mi 3
May 22, 2011 EF3 39 km 17.9 mi 0
Dec 31, 2010 EF3 55 km 21.1 mi 4
Mar 12, 2006 EF3 33 km 25.0 mi 0
Mar 12, 2006 EF3 72 km 29.0 mi 0
Mar 12, 2006 EF3 81 km 42.0 mi 1
May 4, 2003 EF3 79 km 25.0 mi 5
May 4, 2003 EF3 54 km 49.0 mi 7
Jun 1, 1999 EF3 91 km 2.0 mi 2
Nov 22, 1983 EF3 75 km 19.0 mi 0
Mar 15, 1982 EF3 95 km 9.0 mi 0
Apr 19, 1981 EF3 85 km 3.0 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (7,415 acres, 2003).

Year Name Acres Burned Distance
2003 UNNAMED 7,415 99 km
2010 SPUD ROCK CENTRAL 6,117 97 km
2009 TELAMAY HOLLOW 5,686 61 km
2009 SAWMILL HOLLOW 5,166 58 km
1992 UNNAMED 4,546 50 km
2005 FLAT ROCK 4,472 86 km
2021 ALEXANDER MOUNTAIN BLOCKS 1 2 5 4,214 100 km
1995 F128 4,210 58 km
2006 UNNAMED 3,909 99 km
2024 NATURE FIRE 3,744 60 km
2019 RX - ALEXANDER MTN BLK3 3,492 99 km
1986 UNNAMED 3,427 51 km
2011 UNNAMED 3,285 94 km
2016 PIPELINE 3,243 98 km
1989 UNNAMED 3,186 99 km
2007 UNNAMED 3,160 48 km
2018 UNNAMED 3,100 98 km
2006 HUNT MILL HOLLOW FIRE 3,080 89 km
2016 RXBURN 2,951 38 km
1996 UNNAMED 2,918 50 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 39°F (4°C) 2.0 in Driest
February 40°F (4°C) 2.3 in
March 48°F (9°C) 4.1 in
April 57°F (14°C) 4.4 in
May 65°F (18°C) 5.1 in Wettest
June 73°F (23°C) 4.8 in
July 81°F (27°C) 3.1 in Warmest
August 77°F (25°C) 3.5 in
September 70°F (21°C) 5.0 in
October 59°F (15°C) 3.9 in
November 47°F (9°C) 4.3 in
December 38°F (3°C) 3.0 in Coldest

Sulphur Springs has a seasonal temperature swing of 43°F / from 38°F in December to 81°F in July. Total annual precipitation is 45.5 inches, with May being the wettest month (5.1") and January the driest (2.0").

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