Climate Comfort Score
93/100
Excellent
NOAA 1991–2020 normals 62°F annual avg Public-domain federal data
Hartsville, SC Climate
Pulled from NOAA NCEI 1991–2020 normals →: average temperature, precipitation, and comfort score
- 62°F
- Avg annual temp
- 93/100
- Comfort score
- 48.5"
- Annual precip
- 221d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Hartsville
Hartsville, South Carolina averages 62°F a year and scores 93/100 on the comfort index - excellent, milder than 95% of U.S. cities.
- 62°F
- annual average temperature (NOAA normal)
- 93/100
- comfort score, milder than 95% of U.S. cities
- 48.5"
- precipitation, annual total
- 221 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
62°F (17°C)
Avg High
74°F
Avg Low
51°F
Annual Precip
48.5"
Annual Snow
0.5"
Comfort Score
93/100
Excellent
Avg Annual Temperature
62°F
30-year mean (NOAA NCEI)
Annual Precipitation
48.5"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Hartsville) 93.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Excellent for the Hartsville area.
How Hartsville compares to every U.S. city
Hartsville'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
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 Hartsville
MethodologyThe chart below traces how the U.S. land temperature anomaly has moved against the global mean since 1900. For Hartsville, the NOAA 1991-2020 normal captures average conditions across that spread - notably, the most recent decade runs warmer than the 30-year mean itself.
- 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
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 55°F (13°C) | 32°F (0°C) | 43°F (6°C) | 3.7" | 0.1" | 18.1 | 0.0 |
| February | 59°F (15°C) | 34°F (1°C) | 46°F (8°C) | 3.4" | 0.3" | 13.4 | 0.0 |
| March | 66°F (19°C) | 40°F (4°C) | 53°F (12°C) | 3.8" | 0.0" | 7.1 | 0.1 |
| April | 76°F (24°C) | 48°F (9°C) | 62°F (17°C) | 3.0" | 0.0" | 0.9 | 1.5 |
| May | 82°F (28°C) | 58°F (14°C) | 70°F (21°C) | 3.9" | 0.0" | 0.0 | 6.3 |
| June | 89°F (32°C) | 67°F (19°C) | 78°F (25°C) | 4.6" | 0.0" | 0.0 | 16.0 |
| July | 92°F (33°C) | 70°F (21°C) | 81°F (27°C) | 5.9" | 0.0" | 0.0 | 22.2 |
| August | 90°F (32°C) | 69°F (21°C) | 80°F (26°C) | 5.2" | 0.0" | 0.0 | 18.6 |
| September | 85°F (29°C) | 63°F (17°C) | 74°F (23°C) | 4.9" | 0.0" | 0.0 | 8.5 |
| October | 76°F (24°C) | 51°F (10°C) | 63°F (17°C) | 3.4" | 0.0" | 0.6 | 0.7 |
| November | 65°F (19°C) | 40°F (4°C) | 53°F (11°C) | 2.9" | 0.0" | 7.5 | 0.0 |
| December | 58°F (14°C) | 35°F (1°C) | 46°F (8°C) | 3.8" | 0.1" | 14.1 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 3.7"
Snow: 0.1"
9.6 days with precipitation
February 3.4"
Snow: 0.3"
9.1 days with precipitation
March 3.8"
8.6 days with precipitation
April 3.0"
7.9 days with precipitation
May 3.9"
8.6 days with precipitation
June 4.6"
10.5 days with precipitation
July 5.9"
11.9 days with precipitation
August 5.2"
9.9 days with precipitation
September 4.9"
7.9 days with precipitation
October 3.4"
7.1 days with precipitation
November 2.9"
7.0 days with precipitation
December 3.8"
Snow: 0.1"
10.0 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
November 6
50% probability date
Last Spring Freeze
March 30
50% probability date
Growing Season
221 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
2,867
Higher = more heating needed
Cooling Degree Days
1,955
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Hartsville's climate means for you
Hartsville runs 62°F a year - peaking in July, coldest in January.
- Gardeners get about 221 frost-free days, with the last spring freeze near March 30 - plan the planting calendar around it, not the regional average.
- Energy bills track 2,867 heating and 1,955 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: Hartsville, SC
Hartsville, South Carolina runs an annual average of 62°F, ranging from a mean daily high of 74°F to a mean daily low of 51°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 USC00383990, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. Hartsville receives roughly 48.5 inches of precipitation each year, with negligible snowfall. The frost-free season averages 221 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 30 and the first fall freeze near November 6. For energy use, 2,867 heating degree days and 1,955 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Hartsville scores 93/100 (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 Hartsville, SC? ▼
The average annual temperature in Hartsville, South Carolina is 62°F. The warmest month averages 92°F (33°C) and the coldest averages 32°F (0°C).
How much rain does Hartsville get? ▼
Hartsville receives 48.5 inches of precipitation annually, including 0.5 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Hartsville? ▼
Hartsville 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 Hartsville? ▼
Hartsville has approximately 221 frost-free days per year, with the last spring freeze around March 30 and the first fall freeze around November 6.
How much energy does heating and cooling require in Hartsville? ▼
Hartsville has 2,867 heating degree days and 1,955 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 Hartsville climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00383990 near Hartsville.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00383990. For informational purposes only.
Read our methodology - how this data is sourced, computed, and verified.
Related
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.