PlainClimate
NOAA 1991–2020 normals 61°F annual avg Public-domain federal data

Winnsboro, SC Climate

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

61°F
Avg annual temp
93/100
Comfort score
45.1"
Annual precip
220d
Growing season

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

The climate verdict for Winnsboro

Winnsboro, South Carolina averages 61°F a year and scores 93/100 on the comfort index - excellent, milder than 95% of U.S. cities.

61°F
annual average temperature (NOAA normal)
93/100
comfort score, milder than 95% of U.S. cities
45.1"
precipitation, annual total
220 days
frost-free days per growing season

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

Avg Temperature

61°F (16°C)

Avg High

73°F

Avg Low

50°F

Annual Precip

45.1"

Annual Snow

0.0"

Comfort Score

93/100

Excellent

Climate Comfort Score

93/100

Excellent

Avg Annual Temperature

61°F

30-year mean (NOAA NCEI)

Annual Precipitation

45.1"

Liquid-equivalent total

Comfort score vs national 100-point ceiling (Winnsboro) 93.0%
National median (63)

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

How Winnsboro compares to every U.S. city

Winnsboro's comfort score vs. all U.S. cities

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

93 Top 5% higher than 95% 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 Winnsboro

Methodology

The chart below traces how the U.S. land temperature anomaly has moved against the global mean since 1900. For Winnsboro, the NOAA 1991-2020 normal captures average conditions across that spread - notably, the most recent decade runs warmer than the 30-year mean itself.

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) 31°F (-1°C) 42°F (6°C)
February 57°F (14°C) 33°F (1°C) 45°F (7°C)
March 65°F (18°C) 40°F (4°C) 52°F (11°C)
April 74°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 (21°C) 80°F (27°C)
August 89°F (32°C) 68°F (20°C) 78°F (26°C)
September 83°F (29°C) 62°F (17°C) 73°F (23°C)
October 74°F (23°C) 50°F (10°C) 62°F (17°C)
November 63°F (17°C) 39°F (4°C) 51°F (11°C)
December 55°F (13°C) 34°F (1°C) 45°F (7°C)

Monthly Precipitation

Average monthly rainfall and snowfall

January 4.0"

10.6 days with precipitation

February 3.6"

9.8 days with precipitation

March 4.0"

9.2 days with precipitation

April 3.1"

8.6 days with precipitation

May 3.1"

8.4 days with precipitation

June 4.0"

10.1 days with precipitation

July 4.1"

9.9 days with precipitation

August 4.7"

11.0 days with precipitation

September 3.9"

8.0 days with precipitation

October 3.3"

7.1 days with precipitation

November 3.2"

8.5 days with precipitation

December 4.1"

10.6 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

November 6

50% probability date

Last Spring Freeze

March 31

50% probability date

Growing Season

220 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

3,107

Higher = more heating needed

Cooling Degree Days

1,750

Higher = more cooling needed

Warmest Month

July

Coldest Month

January

What Winnsboro's climate means for you

Winnsboro runs 61°F a year - peaking in July, coldest in January.

  • Gardeners get about 220 frost-free days, with the last spring freeze near March 31 - plan the planting calendar around it, not the regional average.
  • Energy bills track 3,107 heating and 1,750 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: Winnsboro, SC

In Winnsboro, South Carolina, the NOAA 1991–2020 climate normals put the annual average temperature at 61°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. As thirty-year averages computed from station USC00389327, these numbers smooth out year-to-year noise into a working baseline for a typical month.

Anyone planning to live, garden, or travel in Winnsboro should weigh precipitation alongside temperature: the annual average runs 45.1 inches, with negligible snowfall. The frost-free season averages 220 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 31 and the first fall freeze near November 6. And on the energy front, 3,107 heating degree days and 1,750 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Winnsboro scores 93/100 (Excellent), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Shoulder seasons bring the mildest highs and lows in the monthly tables above, summer brings July-driven heat, and winter brings January-driven cold - use that rhythm for planning. These figures are thirty-year averages rather than forecasts, so a specific year may still run warmer, cooler, wetter, or drier than what's shown.

Frequently Asked Questions

What is the average temperature in Winnsboro, SC?
The average annual temperature in Winnsboro, South Carolina is 61°F. The warmest month averages 91°F (33°C) and the coldest averages 31°F (-1°C).
How much rain does Winnsboro get?
Winnsboro receives 45.1 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Winnsboro?
Winnsboro has a climate comfort score of 93/100 (Excellent), milder than 95% of U.S. cities in the PlainClimate database.
When is the growing season in Winnsboro?
Winnsboro has approximately 220 frost-free days per year, with the last spring freeze around March 31 and the first fall freeze around November 6.
How much energy does heating and cooling require in Winnsboro?
Winnsboro has 3,107 heating degree days and 1,750 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 Winnsboro climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00389327 near Winnsboro.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00389327. 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.