PlainClimate
NOAA 1991–2020 normals 64°F annual avg Public-domain federal data

Clarks Hill, SC Climate

Explore average temperature, rainfall, and comfort score sourced from NOAA NCEI's 1991–2020 climate normals →

64°F
Avg annual temp
92/100
Comfort score
46.9"
Annual precip
248d
Growing season

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

The climate verdict for Clarks Hill

Clarks Hill, South Carolina averages 64°F a year and scores 92/100 on the comfort index - excellent, milder than 94% of U.S. cities.

64°F
average temperature, NOAA 1991-2020 normal
92/100
comfort score, milder than 94% of U.S. cities
46.9"
precipitation, annual total
248 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

64°F (18°C)

Avg High

75°F

Avg Low

53°F

Annual Precip

46.9"

Comfort Score

92/100

Excellent

Climate Comfort Score

92/100

Excellent

Avg Annual Temperature

64°F

30-year mean (NOAA NCEI)

Annual Precipitation

46.9"

Liquid-equivalent total

Comfort score vs national 100-point ceiling (Clarks Hill) 92.0%
National median (63)

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

How Clarks Hill compares to every U.S. city

Clarks Hill's comfort score vs. all U.S. cities

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

92 Top 6% higher than 94% 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%). Below this entry. 90–100: 420 US cities (6%). This entry sits in this band. 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 Clarks Hill

Methodology

Clarks Hill's NOAA 1991-2020 normal sits inside a longer story: U.S. land temperatures have been tracking (and drifting from) the global mean since 1900, and the chart below shows that spread, with the most recent decade running 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 55°F (13°C) 36°F (2°C) 46°F (8°C)
February 59°F (15°C) 38°F (3°C) 49°F (9°C)
March 67°F (19°C) 44°F (7°C) 56°F (13°C)
April 76°F (24°C) 51°F (11°C) 64°F (18°C)
May 83°F (28°C) 60°F (16°C) 71°F (22°C)
June 89°F (32°C) 68°F (20°C) 78°F (26°C)
July 92°F (33°C) 72°F (22°C) 82°F (28°C)
August 91°F (33°C) 71°F (21°C) 81°F (27°C)
September 86°F (30°C) 65°F (18°C) 75°F (24°C)
October 76°F (24°C) 55°F (13°C) 65°F (19°C)
November 66°F (19°C) 44°F (6°C) 55°F (13°C)
December 58°F (14°C) 38°F (3°C) 48°F (9°C)

Monthly Precipitation

Average monthly rainfall

January 4.0"
February 3.9"
March 4.3"
April 3.1"
May 3.4"
June 4.7"
July 4.7"
August 4.5"
September 3.7"
October 3.0"
November 3.3"
December 4.2"

Frost Dates & Growing Season

First Fall Freeze

November 18

50% probability date

Last Spring Freeze

March 15

50% probability date

Growing Season

248 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

2,467

Higher = more heating needed

Cooling Degree Days

2,151

Higher = more cooling needed

Warmest Month

July

Coldest Month

January

What Clarks Hill's climate means for you

Clarks Hill runs 64°F a year - peaking in July, coldest in January.

  • Gardeners get about 248 frost-free days, with the last spring freeze near March 15 - plan the planting calendar around it, not the regional average.
  • Energy bills track 2,467 heating and 2,151 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: Clarks Hill, SC

Clarks Hill, South Carolina runs an annual average of 64°F, ranging from a mean daily high of 75°F to a mean daily low of 53°F, per NOAA's 1991–2020 climate normals. July is typically the warmest month of the year, while January is the coldest. Drawn from station USC00381726, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.

Clarks Hill averages 46.9 inches of precipitation a year, predominantly as rainfall, and that matters as much to daily life here as temperature does. The frost-free season averages 248 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 15 and the first fall freeze near November 18. As for energy demand, 2,467 heating degree days and 2,151 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Clarks Hill scores 92/100 (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 Clarks Hill, SC?
The average annual temperature in Clarks Hill, South Carolina is 64°F. The warmest month averages 92°F (33°C) and the coldest averages 36°F (2°C).
How much rain does Clarks Hill get?
Clarks Hill receives 46.9 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Clarks Hill?
Clarks Hill has a climate comfort score of 92/100 (Excellent), milder than 94% of U.S. cities in the PlainClimate database.
When is the growing season in Clarks Hill?
Clarks Hill has approximately 248 frost-free days per year, with the last spring freeze around March 15 and the first fall freeze around November 18.
How much energy does heating and cooling require in Clarks Hill?
Clarks Hill has 2,467 heating degree days and 2,151 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 Clarks Hill climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00381726 near Clarks Hill.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00381726. 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.