Weather & Climate in Sulphur Rock, AR

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

Sulphur Rock enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 38°F in January while summers reach 80°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 50.8 inches (wetter than the 38-inch national average). The area receives 2.2 inches of snow annually. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 325 feet.

Temperature

38°F Jan (3°C) 80°F Jul (27°C)

Annual Average	59.6°F
	10% above US avg
January Average	38°F (3°C)
July Average	80°F (27°C)
Sunny Days	301 days/yr

Geography

Elevation	325 ft (99 m)
Area	1.3 sq mi (3.3 km²)
Population Density	593/sq mi
Coordinates	35.7516°N, 91.5003°W
Timezone	America/Chicago
County	Independence County County
Nearest Airport	Batesville Regional (BVX) 8 miles away

Precipitation & Snow

Annual Rainfall 50.8"

34% above US avg

Snowfall 2.2"

Wettest Month (May) 5.08"

Driest Month (Jan) 2.95"

Air Quality

AQI Median	43.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Low
Risk Score	69.1 / 100
Social Vulnerability	56.5 / 100
Community Resilience	26.7 / 100

Hazard Breakdown

Tornado	Relatively Moderate
Hurricane	Very Low
Earthquake	Relatively Low
Wildfire	Relatively Low
Flood	Relatively Low
Hail	Relatively Low
Strong Wind	Relatively Low
Heat Wave	Relatively Low
Winter Weather	Relatively Moderate
Lightning	Relatively Moderate
Ice Storm	Very High
Drought	Relatively Low
Cold Wave	Relatively Moderate
Landslide	Relatively Low

Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

330 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.

Feb 28, 2011	4 km NE of Greenbrier, Arkansas	M4.7	94 km	3 km
May 4, 2001	8 km NNW of Holland, Arkansas	M4.3	92 km	8 km
May 1, 2005	5 km SSE of Manila, Arkansas	M4.2	122 km	10 km
Feb 10, 2005	3 km NNW of Etowah, Arkansas	M4.1	113 km	15 km
Feb 18, 2011	4 km NNE of Greenbrier, Arkansas	M4.1	96 km	6 km
Apr 30, 2003	1 km N of Blytheville, Arkansas	M4.0	144 km	24 km
Oct 21, 1999	9 km NW of Maynard, Arkansas	M3.9	94 km	10 km
Apr 8, 2011	3 km NE of Greenbrier, Arkansas	M3.9	95 km	6 km
Feb 18, 2011	3 km NNE of Greenbrier, Arkansas	M3.9	96 km	5 km
Oct 29, 2012	8 km SW of Parkin, Arkansas	M3.9	100 km	21 km
Jul 7, 1991	11 km ENE of Brandsville, Missouri	M3.9	104 km	8 km
Aug 22, 2000	19 km WNW of Maynard, Arkansas	M3.9	88 km	10 km
Sep 17, 1997	2 km E of Trumann, Arkansas	M3.8	93 km	0 km
Nov 29, 1996	1 km W of Blytheville, Arkansas	M3.8	142 km	19 km
Jun 4, 2014	3 km ESE of Fairfield Bay, Arkansas	M3.8	70 km	0 km
Feb 17, 2011	4 km NNE of Greenbrier, Arkansas	M3.8	94 km	6 km
Sep 12, 2019	13 km N of Big Flat, Arkansas	M3.7	92 km	18 km
Aug 16, 2003	5 km W of Thomasville, Missouri	M3.7	116 km	0 km
Apr 7, 2011	2 km NE of Greenbrier, Arkansas	M3.7	97 km	6 km
Feb 23, 2013	7 km SW of Trumann, Arkansas	M3.7	86 km	14 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

498 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 191 fatalities, 2,092 injuries.

Date	Rating	Distance	Path	Fatalities
Dec 10, 2021	EF4	86 km	81.2 mi	8
Apr 14, 1996	EF4	77 km	44.0 mi	7
Mar 15, 1984	EF4	40 km	26.0 mi	5
Mar 15, 1984	EF4	88 km	41.0 mi	2
Dec 24, 1982	EF4	49 km	63.0 mi	0
May 26, 1973	EF4	55 km	54.8 mi	3
May 15, 1968	EF4	12 km	0.3 mi	7
May 15, 1968	EF4	29 km	20.9 mi	35
Mar 21, 1952	EF4	100 km	7.6 mi	2
Mar 21, 1952	EF4	58 km	0.1 mi	4
Mar 21, 1952	EF4	62 km	14.6 mi	50
Mar 21, 1952	EF4	87 km	13.1 mi	29
Mar 31, 2023	EF3	80 km	72.6 mi	4
Mar 28, 2020	EF3	74 km	12.5 mi	0
Apr 30, 2010	EF3	40 km	7.7 mi	0
Apr 2, 2006	EF3	72 km	38.0 mi	0
Apr 2, 2006	EF3	71 km	77.0 mi	2
May 4, 2003	EF3	70 km	43.0 mi	0
Jan 21, 1999	EF3	41 km	19.0 mi	0
Jan 21, 1999	EF3	87 km	8.0 mi	2

Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

1 tsunami recorded within 500 km.

Year	Location	Cause	Max Wave	Deaths	Distance
1811	AR: NE - NEW MADRID EARTHQUAKES	Eruption + Earthquake	—	—	101 km

Source: NOAA/NCEI Historical Tsunami Database.

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: DEAD HORSE (10,389 acres, 2007).

Year	Name	Acres Burned	Distance
2007	DEAD HORSE	10,389	96 km
2004	LOWER WILD	10,034	96 km
2013	LOWER WILDERNESS RX	8,699	97 km
2021	SYL BIRMINGHAM	6,803	83 km
2018	UNNAMED	4,873	84 km
2019	UNNAMED	4,493	66 km
2014	UNNAMED	4,337	69 km
2016	UNNAMED	3,807	83 km
2024	RX BAD BRANCH 2	3,591	67 km
2007	UNNAMED	3,542	83 km
2019	UNNAMED	3,441	78 km
2015	UNNAMED	3,404	80 km
2020	RORIE NORTH	3,180	73 km
2010	SPRING CREEK SOUTH RX	2,986	88 km
2024	RX CAP FORK	2,977	82 km
2019	UNNAMED	2,913	81 km
2021	UNNAMED	2,812	79 km
2005	UNNAMED	2,533	70 km
2010	FIFTY SIX RX	2,454	69 km
1987	WILDERNESS	2,250	99 km

Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	38°F (3°C)	3.0 in	Coldest, Driest
February	42°F (6°C)	3.4 in
March	51°F (10°C)	4.9 in
April	60°F (16°C)	4.7 in
May	68°F (20°C)	5.1 in	Wettest
June	76°F (25°C)	3.3 in
July	80°F (27°C)	3.4 in	Warmest
August	79°F (26°C)	3.3 in
September	72°F (22°C)	4.1 in
October	61°F (16°C)	3.6 in
November	50°F (10°C)	4.7 in
December	40°F (5°C)	4.5 in

Sulphur Rock has a seasonal temperature swing of 42°F / from 38°F in January to 80°F in July. Total annual precipitation is 47.9 inches, with May being the wettest month (5.1") and January the driest (3.0").

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