Clemson weather in April

In April, Clemson sees average daytime highs of 72°F and overnight lows near 50°F, with 3.9 in of rain across 8.8 wet days and about 12.8 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 68°F in the first days to 74°F by the end. The sky is clear or mostly clear about 37% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of April to 13 h 18 min by month's end. Set against the rest of the year, April is Clemson's 4th-clearest and 1st-windiest month. For the whole year in context, see Clemson's year-round climate.

Daytime high
72°
7th warmest
Overnight low
50°
6th coldest
Rainfall
3.9 in
8.8 wet days
Daylight
12 h 54 min
6:05 AM – 6:58 PM
Cloud cover
54%
4th clearest
Wind
6 mph
1st windiest
Solar energy
5.59 kWh/m²
Travel score
6.8
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 68°F in the first days to 74°F by the end.

A typical April day in Clemson reaches about 72°F in the afternoon and slips back to 50°F overnight — a 21°F spread between the day's warmth and the night's chill. On most days the high lands between 61°F and 81°F. Set against its neighbours, April runs about 8°F warmer than March and about 7°F cooler than May.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
16847
26847
36847
46947
56948
66948
77048
87049
97049
107149
117149
127150
137150
147150
157250
167251
177251
187251
197251
207351
217352
227352
237352
247352
257453
267453
277453
287453
297454
307554

How April really feels in Clemson

Once humidity and wind are folded in, April 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

April 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 April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14951
25050
35050
45050
55050
65149
75248
85347
95347
105347
115347
125347
135446
145446
155446
165446
175545
185545
195545
205545
215545
225545
235545
245545
255446
265446
275446
285446
295446
305446

Chance of precipitation in April

Any precipitation

Clemson gets around 3.9 in of rain over 8.8 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
131
231
330
430
530
630
729
829
929
1029
1130
1230
1330
1430
1530
1630
1730
1830
1930
2030
2130
2231
2331
2431
2531
2631
2731
2831
2932
3031

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 74% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1861130
2861130
3841240
4841240
5821350
6821350
7811450
8801460
9791560
10781570
11771670
12771670
13761770
14751780
15741880
16741880
17731980
18731980
19731980
20731980
21702091
22702091
236920101
246820111
256720121
266720121
276420142
286320152
296220162
306120172

Wind in April

Winds average 6 mph in April, the windiest month of the year.

Across April, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
295calm
305calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 18 min at the start of April to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over April. Sunrise moves from 6:26 AM to 5:48 AM, and sunset from 6:46 PM to 7:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:266:46
212.46:256:47
312.46:236:47
412.46:226:48
512.56:216:49
612.56:196:50
712.56:186:50
812.66:166:51
912.66:156:52
1012.76:146:53
1112.76:126:54
1212.76:116:54
1312.86:096:55
1412.86:086:56
1512.86:076:57
1612.96:056:58
1712.96:046:58
1812.96:036:59
1913.06:027:00
2013.06:007:01
2113.05:597:02
2213.15:587:02
2313.15:577:03
2413.15:557:04
2513.25:547:05
2613.25:537:06
2713.25:527:07
2813.35:517:07
2913.35:507:08
3013.35:487:09

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.59 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 — April's 5.59 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.1Bright
35.1Bright
45.2Bright
55.2Bright
65.3Bright
75.3Bright
85.3Bright
95.4Bright
105.4Bright
115.4Bright
125.5Bright
135.5Bright
145.5Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.9Bright
305.9Bright
Planning a trip in April

Hazard calendar for Clemson

In seasonPeak

None of Clemson's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 April a good time to visit Clemson?

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

6.8
Sightseeing
2nd-best month of the year
4.7
Beach & pool
7th-best month of the year

April is a reasonable time to visit Clemson for sightseeing.

What to pack for Clemson in April

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

In April, Clemson sees daytime highs around 72°F and nights near 50°F. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Clemson in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 7 — 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 April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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
April 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).