PlainClimate
NOAA 1991–2020 normals 65°F annual avg 2 stations

Mcclellanville, SC Climate

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

65°F
Avg annual temp
82/100
Comfort score
55.6"
Annual precip
276d
Growing season

30-year climate normals from 2 weather stations (1991-2020).

The climate verdict for Mcclellanville

Mcclellanville, South Carolina averages 65°F a year and scores 82/100 on the comfort index - excellent, milder than 83% of U.S. cities.

65°F
average temperature, NOAA 1991-2020 normal
82/100
comfort score, milder than 83% of U.S. cities
55.6"
annual precipitation
276 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

65°F (18°C)

Avg High

74°F

Avg Low

57°F

Annual Precip

55.6"

Comfort Score

82/100

Excellent

Climate Comfort Score

82/100

Excellent

Avg Annual Temperature

65°F

30-year mean (NOAA NCEI)

Annual Precipitation

55.6"

Liquid-equivalent total

Comfort score vs national 100-point ceiling (Mcclellanville) 82.0%
National median (63)

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

How Mcclellanville compares to every U.S. city

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

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

82 Top 17% higher than 83% 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 Mcclellanville

Methodology

Zooming out from Mcclellanville's own normal, the chart below shows how the U.S. land temperature anomaly has tracked the global mean since 1900 - the most recent decade sits warmer than the 30-year mean shown here.

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 58°F (14°C) 39°F (4°C) 49°F (9°C)
February 60°F (16°C) 42°F (5°C) 51°F (11°C)
March 66°F (19°C) 48°F (9°C) 57°F (14°C)
April 73°F (23°C) 55°F (13°C) 64°F (18°C)
May 80°F (27°C) 63°F (17°C) 72°F (22°C)
June 86°F (30°C) 70°F (21°C) 78°F (25°C)
July 88°F (31°C) 73°F (23°C) 81°F (27°C)
August 87°F (31°C) 72°F (22°C) 80°F (26°C)
September 83°F (29°C) 68°F (20°C) 76°F (24°C)
October 76°F (24°C) 58°F (14°C) 67°F (19°C)
November 67°F (19°C) 48°F (9°C) 57°F (14°C)
December 61°F (16°C) 42°F (6°C) 52°F (11°C)

Monthly Precipitation

Average monthly rainfall

January 3.4"

10.6 days with precipitation

February 3.2"

10.3 days with precipitation

March 3.9"

9.8 days with precipitation

April 3.3"

8.7 days with precipitation

May 3.4"

10.2 days with precipitation

June 5.1"

12.7 days with precipitation

July 7.1"

13.8 days with precipitation

August 8.3"

15.3 days with precipitation

September 6.8"

12.3 days with precipitation

October 4.3"

10.4 days with precipitation

November 2.8"

8.8 days with precipitation

December 4.0"

11.1 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

December 1

50% probability date

Last Spring Freeze

February 28

50% probability date

Growing Season

276 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

2,029

Higher = more heating needed

Cooling Degree Days

2,098

Higher = more cooling needed

Warmest Month

July

Coldest Month

January

What Mcclellanville's climate means for you

Mcclellanville runs 65°F a year - peaking in July, coldest in January.

  • Gardeners get about 276 frost-free days, with the last spring freeze near February 28 - plan the planting calendar around it, not the regional average.
  • Energy bills track 2,029 heating and 2,098 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: Mcclellanville, SC

Mcclellanville, South Carolina runs an annual average of 65°F, ranging from a mean daily high of 74°F to a mean daily low of 57°F, per NOAA's 1991–2020 climate normals. July is typically the warmest month of the year, while January is the coldest. Drawn from 2 weather stations, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.

Anyone planning to live, garden, or travel in Mcclellanville should weigh precipitation alongside temperature: the annual average runs 55.6 inches, predominantly as rainfall. The frost-free season averages 276 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near February 28 and the first fall freeze near December 1. And on the energy front, 2,029 heating degree days and 2,098 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Mcclellanville scores 82/100 (Excellent), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. For planning purposes, look to the monthly tables above: shoulder seasons bring the mildest highs and lows, summer brings July-driven heat, and deep winter brings January-driven cold. Treat every figure here as a thirty-year average rather than a forecast - individual years routinely run warmer, cooler, wetter, or drier than the normal.

Frequently Asked Questions

What is the average temperature in Mcclellanville, SC?
The average annual temperature in Mcclellanville, South Carolina is 65°F. The warmest month averages 88°F (31°C) and the coldest averages 39°F (4°C).
How much rain does Mcclellanville get?
Mcclellanville receives 55.6 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Mcclellanville?
Mcclellanville has a climate comfort score of 82/100 (Excellent), milder than 83% of U.S. cities in the PlainClimate database.
When is the growing season in Mcclellanville?
Mcclellanville has approximately 276 frost-free days per year, with the last spring freeze around February 28 and the first fall freeze around December 1.
How much energy does heating and cooling require in Mcclellanville?
Mcclellanville has 2,029 heating degree days and 2,098 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 Mcclellanville climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from 2 weather stations near Mcclellanville.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00003728. 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.