Clemson weather in October

In October, Clemson sees average daytime highs of 72°F and overnight lows near 52°F, with 3.4 in of rain across 6.9 wet days and about 11.1 hours of daylight. It is the 6th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 76°F in the first days to 68°F by the end. The sky is clear or mostly clear about 49% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 42 min at the start of October to 10 h 36 min by month's end. Set against the rest of the year, October is Clemson's 1st-clearest and 7th-windiest month. For the whole year in context, see Clemson's year-round climate.

Daytime high
72°
6th warmest
Overnight low
52°
7th coldest
Rainfall
3.4 in
6.9 wet days
Daylight
11 h 06 min
6:43 AM – 5:50 PM
Cloud cover
45%
1st clearest
Wind
5 mph
7th windiest
Solar energy
3.79 kWh/m²
Travel score
7.3
out of 10

Clemson is city in South Carolina, United States.

Density
758/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 76°F in the first days to 68°F by the end.

A typical October day in Clemson reaches about 72°F in the afternoon and slips back to 52°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 63°F and 81°F. Set against its neighbours, October runs about 10°F cooler than September and about 10°F warmer than November.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
17758
27658
37657
47657
57656
67556
77556
87455
97455
107454
117454
127353
137353
147353
157252
167252
177251
187151
197150
207150
217149
227049
237049
246948
256948
266948
276947
286847
296847
306747
316746

How October really feels in Clemson

Once humidity and wind are folded in, October averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Clemson weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan52° / 34°4.810.10.99.92.8
Feb56° / 36°4.29.20.810.73.7
Mar63° / 42°4.910.10.211.75.6
Apr72° / 50°3.98.8012.86.8
May79° / 59°3.29.4013.86.8
Jun85° / 67°3.412.1014.34.9
Jul89° / 71°3.312.7014.14.0
Aug87° / 70°3.912.2013.34.4
Sep82° / 64°3.48.5012.26.4
Oct72° / 52°3.46.9011.17.3
Nov62° / 42°4.08.5010.25.6
Dec54° / 36°4.79.30.59.73.4

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in October, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of October, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45743
55743
65743
75743
85743
95842
105842
115842
125941
136040
146139
156139
166238
176337
186436
196436
206535
216535
226535
236535
246535
256634
266535
276535
286436
296436
306436
316238

Chance of precipitation in October

Any precipitation

Clemson gets around 3.4 in of rain over 6.9 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 24% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
226
326
425
525
625
725
825
925
1025
1124
1224
1324
1423
1523
1623
1722
1822
1922
2021
2121
2221
2321
2422
2522
2623
2723
2824
2924
3025
3125

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 61% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1372125152
2392124142
3402223132
4422222132
5432221122
6452220112
7472220102
848221991
950221891
1052221781
1154211771
1256211661
1358201561
1460201451
1562191441
1663191341
1766181231
1868181130
1969171130
2071171020
217217920
227217920
237316920
247316920
257416820
267416820
277515820
287515820
297515820
307614820
317713820

Wind in October

Winds average 5 mph in October.

Across October, daily wind ranges from about 5 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 42 min at the start of October to 10 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over October. Sunrise moves from 6:31 AM to 6:57 AM, and sunset from 6:10 PM to 5:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:316:10
211.66:316:09
311.66:326:07
411.56:336:06
511.56:346:04
611.56:356:03
711.46:356:02
811.46:366:00
911.46:375:59
1011.36:385:58
1111.36:395:56
1211.36:405:55
1311.26:405:54
1411.26:415:52
1511.16:425:51
1611.16:435:50
1711.16:445:49
1811.06:455:47
1911.06:465:46
2011.06:475:45
2110.96:475:44
2210.96:485:43
2310.96:495:41
2410.86:505:40
2510.86:515:39
2610.86:525:38
2710.76:535:37
2810.76:545:36
2910.76:555:35
3010.66:565:34
3110.66:575:33

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.79 kWh/m².

For context, solar energy here swings from a low near 2.31 kWh/m² to a high of 6.16 kWh/m² in June across the year — October's 3.79 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.0Bright
54.0Bright
64.0Moderate
74.0Moderate
83.9Moderate
93.9Moderate
103.9Moderate
113.9Moderate
123.8Moderate
133.8Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.8Moderate
183.7Moderate
193.7Moderate
203.7Moderate
213.7Moderate
223.7Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.5Moderate
273.5Moderate
283.5Moderate
293.4Moderate
303.4Moderate
313.4Moderate
Planning a trip in October

Hazard calendar for Clemson

In seasonPeak

In October, Clemson sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Clemson sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Clemson?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.3
Sightseeing
1st-best month of the year
5.2
Beach & pool
6th-best month of the year

October is one of the better times to visit Clemson for general sightseeing.

What to pack for Clemson in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Clemson sees daytime highs around 72°F and nights near 52°F. Worth packing: light clothes. About 7 days see rain.

light clothes

UV index in Clemson in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Clemson peaks around July 10 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 10UV 10Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7High
May8Very high
Jun10Very high
Jul10Very high
Aug8Very high
Sep7High
Oct5Moderate
Nov4Moderate
Dec2Moderate

Air quality in Clemson in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Clemson is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (January, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodJul 1718 µg/m³Jan 118 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar12Moderate
Apr11Good
May13Moderate
Jun16Moderate
Jul19Moderate
Aug16Moderate
Sep12Moderate
Oct9Good
Nov10Good
Dec8Good
Location & terrain

Where is Clemson?

Clemson sits at 34.7°N, 82.8°W, 725 ft above sea level, in United States. The nearest listed city is Anderson, 16 mi away.

Topography around Clemson

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Clemson.

Within 2 miles, the terrain around Clemson has only modest variations in elevation — a maximum elevation change of 295 ft around an average of 738 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 771 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 6,070 ft.

The land around Clemson is covered by trees (54%) and water (20%) within 2 miles, trees (67%) within 10 miles, and trees (82%) within 50 miles.

2 miles
295 ft
10 miles
771 ft
50 miles
6,070 ft
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Anderson 16 mi · Easley 17 mi · Greenville 28 mi · Mauldin 30 mi · Wade Hampton 32 mi · Simpsonville 34 mi · Taylors 35 mi · Greer 39 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Clemson (34.6834°, -82.8374°, elevation 725 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).