Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Clio enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 45°F in January while summers reach 81°F in July. The area gets 310 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 41.7 inches. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 194 feet.
Temperature
45°F Jan (7°C)81°F Jul (27°C)
Annual Average
63.4°F
17% above US avg
January Average
45°F (7°C)
July Average
81°F (27°C)
Sunny Days
310 days/yr
Geography
Elevation
194 ft (59 m)
Area
0.9 sq mi (2.2 km²)
Population Density
687/sq mi
Coordinates
34.5790°N, 79.5461°W
Timezone
America/New_York
County
Marlboro County County
Nearest Airport
Lumberton Regional (LBT) 28 miles away
Precipitation & Snow
Annual Rainfall41.7"
10% above US avg
Wettest Month (Jul)5.35"
Driest Month (Apr)2.76"
Air Quality
AQI Median
43.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Low
Risk Score
57.5 / 100
Social Vulnerability
97.8 / 100
Community Resilience
17.6 / 100
Hazard Breakdown
Tornado
Relatively Moderate
Hurricane
Relatively Moderate
Earthquake
Relatively Low
Wildfire
Relatively Low
Flood
Relatively Low
Hail
Relatively Low
Strong Wind
Relatively Moderate
Heat Wave
Relatively Low
Winter Weather
Relatively Low
Lightning
Relatively Moderate
Ice Storm
Relatively High
Drought
Relatively Low
Cold Wave
Relatively Low
Landslide
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
15 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M3.9.
Apr 13, 1998
9 km S of Kershaw, South Carolina
M3.9
98 km
7 km
Jun 29, 2022
6 km E of Elgin, South Carolina
M3.6
118 km
3 km
Jun 29, 2022
6 km E of Elgin, South Carolina
M3.5
118 km
3 km
Jun 26, 2022
6 km E of Elgin, South Carolina
M3.4
118 km
4 km
May 9, 2022
5 km ESE of Elgin, South Carolina
M3.3
118 km
4 km
Jan 29, 1994
12 km NNE of Alcolu, South Carolina
M2.9
98 km
2 km
Mar 21, 2011
9 km S of Cordova, North Carolina
M2.9
38 km
8 km
May 10, 2022
5 km E of Elgin, South Carolina
M2.8
118 km
2 km
Mar 9, 2024
5 km E of Elgin, South Carolina
M2.7
118 km
3 km
Jan 5, 2022
5 km SW of Lugoff, South Carolina
M2.6
117 km
0 km
Apr 26, 2025
6 km E of Elgin, South Carolina
M2.6
118 km
2 km
May 10, 2022
6 km E of Elgin, South Carolina
M2.6
117 km
2 km
Jan 3, 2022
5 km S of Lugoff, South Carolina
M2.5
115 km
2 km
Sep 15, 2024
6 km E of Elgin, South Carolina
M2.5
117 km
2 km
Jul 29, 2012
7 km NNW of Wallace, South Carolina
M2.5
37 km
14 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
22 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 4.
Year
Name
Category
Max Wind
Closest
2022
Ian
Category 1
81 mph
146 km
2020
Isaias
Category 1
92 mph
122 km
2019
Dorian
Category 3
115 mph
200 km
2018
Florence
Category 2
104 mph
123 km
2016
Matthew
Category 2
98 mph
130 km
2014
Arthur
Category 2
98 mph
201 km
2011
Irene
Category 1
86 mph
267 km
2005
Ophelia
Category 1
86 mph
203 km
2004
Alex
Category 2
98 mph
264 km
2004
Charley
Category 1
81 mph
116 km
2004
Gaston
Category 1
75 mph
176 km
2003
Isabel
Category 2
98 mph
268 km
1999
Irene
Category 2
92 mph
229 km
1999
Floyd
Category 2
104 mph
167 km
1999
Dennis
Category 2
104 mph
268 km
1998
Bonnie
Category 3
115 mph
170 km
1996
Fran
Category 3
115 mph
104 km
1996
Bertha
Category 2
104 mph
163 km
1989
Hugo
Category 4
138 mph
139 km
1986
Charley
Category 1
75 mph
271 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
366 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 51 fatalities, 1,478 injuries.
Date
Rating
Distance
Path
Fatalities
Nov 7, 1995
EF4
52 km
0.7 mi
0
Mar 28, 1984
EF4
20 km
17.0 mi
7
Mar 28, 1984
EF4
34 km
7.0 mi
0
Mar 28, 1984
EF4
8 km
40.0 mi
4
Mar 28, 1984
EF4
99 km
4.0 mi
0
Apr 8, 1957
EF4
34 km
0.8 mi
0
Apr 8, 1957
EF4
95 km
121.4 mi
4
Apr 16, 2011
EF3
87 km
65.2 mi
6
Apr 16, 2011
EF3
62 km
52.9 mi
2
Mar 28, 1984
EF3
68 km
40.0 mi
12
May 20, 1980
EF3
23 km
10.7 mi
0
Feb 22, 1971
EF3
80 km
85.7 mi
2
Apr 18, 1969
EF3
56 km
77.3 mi
0
Nov 24, 1967
EF3
78 km
3.3 mi
0
Aug 29, 1964
EF3
27 km
21.9 mi
0
Oct 9, 1950
EF3
98 km
2.0 mi
0
Mar 31, 2022
EF2
86 km
7.2 mi
0
Apr 13, 2020
EF2
52 km
0.2 mi
0
Jan 11, 2020
EF2
92 km
0.6 mi
0
Apr 16, 2011
EF2
70 km
13.1 mi
1
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: UNNAMED (3,968 acres, 1991).
Year
Name
Acres Burned
Distance
1991
UNNAMED
3,968
29 km
1991
UNNAMED
3,094
68 km
1985
UNNAMED
2,743
32 km
1986
UNNAMED
2,642
98 km
2008
05/05 RX BURN
2,351
64 km
2007
06-09 RX BURN
2,054
64 km
2022
SCCRR-FY22-RX-PRESCRIBED FIRE
2,039
68 km
2000
UNNAMED
1,989
73 km
2007
LONGBRANCH-ROBESON COMPLEX
1,944
45 km
1998
981406
1,892
61 km
1994
CM 15 16 17
1,871
57 km
2021
SLATES CHURCH FIRE
1,824
44 km
1994
COMP 1112
1,798
69 km
1998
980803
1,780
59 km
2000
2000 1003
1,768
65 km
1999
19990505
1,756
64 km
2016
COUNTY LINE ROAD FIRE
1,704
48 km
1992
COMP 15
1,697
60 km
2018
SCCRR-FY18-RX-COMP-14
1,687
62 km
2012
4-NOV
1,636
62 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
45°F (7°C)
4.0 in
Coldest
February
46°F (8°C)
3.7 in
March
54°F (12°C)
4.3 in
April
62°F (17°C)
2.8 in
Driest
May
70°F (21°C)
3.5 in
June
77°F (25°C)
4.6 in
July
81°F (27°C)
5.4 in
Warmest, Wettest
August
79°F (26°C)
4.9 in
September
73°F (23°C)
3.7 in
October
62°F (17°C)
3.0 in
November
54°F (12°C)
2.8 in
December
46°F (8°C)
3.2 in
Clio has a seasonal temperature swing of 36°F / from 45°F in January to 81°F in July. Total annual precipitation is 45.9 inches, with July being the wettest month (5.4") and April the driest (2.8").