PlainClimate
NOAA 1991–2020 normals 62°F annual avg Public-domain federal data

Clemson Univ, SC Climate

Average temperature, precipitation, and a comfort score, drawn from NOAA NCEI 1991–2020 normals →

62°F
Avg annual temp
83/100
Comfort score
52.4"
Annual precip
216d
Growing season

30-year climate normals from 1 weather station (1991-2020).

The climate verdict for Clemson Univ

Clemson Univ, South Carolina averages 62°F a year and scores 83/100 on the comfort index - excellent, milder than 85% of U.S. cities.

62°F
yearly average temperature, NOAA normal
83/100
comfort score, milder than 85% of U.S. cities
52.4"
annual precipitation · 2" snow
216 days
growing season, frost-free days

Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.

Avg Temperature

62°F (16°C)

Avg High

73°F

Avg Low

50°F

Annual Precip

52.4"

Annual Snow

2.2"

Comfort Score

83/100

Excellent

Climate Comfort Score

83/100

Excellent

Avg Annual Temperature

62°F

30-year mean (NOAA NCEI)

Annual Precipitation

52.4"

Plus 2.2" of snow

Comfort score vs national 100-point ceiling (Clemson Univ) 83.0%
National median (63)

PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Excellent for the Clemson Univ area.

How Clemson Univ compares to every U.S. city

Clemson Univ's comfort score vs. all U.S. cities

PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals

83 Top 15% higher than 85% of 6,915 US cities

0–10: 0 US cities (0%). Below this entry. 10–20: 0 US cities (0%). Below this entry. 20–30: 58 US cities (1%). Below this entry. 30–40: 439 US cities (6%). Below this entry. 40–50: 1,302 US cities (19%). Below this entry. 50–60: 1,433 US cities (21%). Below this entry. 60–70: 1,357 US cities (20%). Below this entry. 70–80: 1,102 US cities (16%). Below this entry. 80–90: 778 US cities (11%). This entry sits in this band. 90–100: 420 US cities (6%). Above this entry. This city 0 100 every U.S. city, bucketed by value

Each bar is a band; taller bars hold more US cities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020

Warming context for Clemson Univ

Methodology

How the U.S. land temperature anomaly tracks against the global mean since 1900. The current NOAA 1991-2020 normal for Clemson Univ captures average conditions across the spread shown, the most recent decade is warmer than the 30-year mean.

Warming context, U.S. vs global, with Paris reference lines Anomaly chart from 1900 to 2024. Local series shows warming of 0.11 °C per decade versus a global rate of 0.11 °C per decade (ratio 1.00). Paris Agreement thresholds at 1.5 and 2.0 °C are dashed. -1.0°C -0.5°C +0.0°C +0.5°C +1.0°C +1.5°C +2.0°C +2.5°C Paris 1.5°C Paris 2.0°C 1900192019401960198020002020
  • United States land mean (NOAA NCEI) +0.11 °C/decade
  • Global anomaly (NASA GISTEMP) +0.11 °C/decade
  • Paris Agreement thresholds 1.5°C / 2.0°C
Sources: NOAA NCEI, NASA GISTEMP. Paris thresholds per IPCC AR6 WG1.

Monthly Temperatures

Average daily high and low temperatures by month

Month Avg High Avg Low Mean
January 53°F (12°C) 33°F (0°C) 43°F (6°C)
February 57°F (14°C) 35°F (1°C) 46°F (8°C)
March 65°F (18°C) 41°F (5°C) 53°F (11°C)
April 73°F (23°C) 48°F (9°C) 61°F (16°C)
May 81°F (27°C) 57°F (14°C) 69°F (21°C)
June 88°F (31°C) 65°F (18°C) 76°F (25°C)
July 91°F (33°C) 69°F (20°C) 80°F (27°C)
August 90°F (32°C) 68°F (20°C) 79°F (26°C)
September 84°F (29°C) 62°F (17°C) 73°F (23°C)
October 74°F (24°C) 50°F (10°C) 62°F (17°C)
November 64°F (18°C) 40°F (4°C) 52°F (11°C)
December 56°F (13°C) 34°F (1°C) 45°F (7°C)

Monthly Precipitation

Average monthly rainfall and snowfall

January 4.9"

Snow: 0.8"

10.6 days with precipitation

February 4.4"

Snow: 0.8"

10.5 days with precipitation

March 4.8"

Snow: 0.3"

10.7 days with precipitation

April 4.2"

9.7 days with precipitation

May 4.1"

9.7 days with precipitation

June 4.2"

11.1 days with precipitation

July 4.1"

10.4 days with precipitation

August 5.3"

10.8 days with precipitation

September 3.8"

8.3 days with precipitation

October 3.8"

7.7 days with precipitation

November 3.9"

9.2 days with precipitation

December 5.1"

Snow: 0.3"

11.3 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

November 3

50% probability date

Last Spring Freeze

April 1

50% probability date

Growing Season

216 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

2,989

Higher = more heating needed

Cooling Degree Days

1,743

Higher = more cooling needed

Warmest Month

July

Coldest Month

January

What Clemson Univ's climate means for you

Clemson Univ runs 62°F a year - peaking in July, coldest in January.

  • Gardeners get about 216 frost-free days, with the last spring freeze near April 1 - plan the planting calendar around it, not the regional average.
  • Energy bills track 2,989 heating and 1,743 cooling degree days a year, higher means the furnace or AC runs more.
  • Comparing places to live? Line this city up against nearby cities and the national rankings. See rankings

These are 30-year NOAA normals (1991–2020) - the typical year, not a forecast for any specific season.

Climate Guides

Climate Insight: Clemson Univ, SC

The NOAA 1991–2020 climate normals describe Clemson Univ, South Carolina as a location with an annual average temperature of 62°F, ranging from a mean daily high of 73°F to a mean daily low of 50°F. July is typically the warmest month of the year, while January is the coldest. These thirty-year averages, computed from station USC00381770, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.

Anyone planning to live, garden, or travel in Clemson Univ should weigh precipitation alongside temperature: the annual average runs 52.4 inches, with 2.2 inches typically falling as snow. The frost-free season averages 216 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 1 and the first fall freeze near November 3. And on the energy front, 2,989 heating degree days and 1,743 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Clemson Univ scores 83/100 (Excellent), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Use the monthly tables above to plan around specific windows, shoulder seasons for mild highs and lows, peak summer for July-driven heat, or deep winter for January-driven cold. All figures here are thirty-year averages: any single year may run warmer, wetter, drier, or cooler than the normal, so treat them as planning guidance rather than forecasts.

Frequently Asked Questions

What is the average temperature in Clemson Univ, SC?
The average annual temperature in Clemson Univ, South Carolina is 62°F. The warmest month averages 91°F (33°C) and the coldest averages 33°F (0°C).
How much rain does Clemson Univ get?
Clemson Univ receives 52.4 inches of precipitation annually, including 2.2 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Clemson Univ?
Clemson Univ has a climate comfort score of 83/100 (Excellent), milder than 85% of U.S. cities in the PlainClimate database.
When is the growing season in Clemson Univ?
Clemson Univ has approximately 216 frost-free days per year, with the last spring freeze around April 1 and the first fall freeze around November 3.
How much energy does heating and cooling require in Clemson Univ?
Clemson Univ has 2,989 heating degree days and 1,743 cooling degree days annually, a fairly balanced heating/cooling split. See our <a href="/guides/reading-weather-data/" class="underline hover:text-brand-600">guide to reading weather data</a> for what these figures mean.
Where does this Clemson Univ climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00381770 near Clemson Univ.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00381770. For informational purposes only.

Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainClimate Editorial

Every figure on PlainClimate is rendered directly from NOAA 1991-2020 U.S. Climate Normals data, no number is typed in by an editor. This page draws directly on NOAA 1991-2020 U.S. Climate Normals data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.