Annual mean
Annual mean of daily highs
Annual mean of daily lows
Hartsville city, South Carolina
Official LSAD Designation: Hartsville city • Census GEOID: 4532560
• Darlington County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Hartsville city.
Reference Weather Station: HARTSVILLE, SC US (ID: USC00383990)
• Located 2.8 miles from community center
• Elevation: 56.4 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 54.9° | 31.9° | 43.4° | 3.73" |
| February | 58.8° | 34.1° | 46.4° | 3.35" |
| March | 66.4° | 40.0° | 53.2° | 3.76" |
| April | 75.7° | 48.1° | 61.9° | 2.98" |
| May | 82.4° | 57.7° | 70.1° | 3.90" |
| June | 88.7° | 66.5° | 77.6° | 4.64" |
| July | 91.9° | 70.3° | 81.1° | 5.91" |
| August | 90.2° | 68.9° | 79.6° | 5.20" |
| September | 84.8° | 63.1° | 74.0° | 4.92" |
| October | 75.6° | 50.6° | 63.1° | 3.41" |
| November | 65.3° | 39.8° | 52.6° | 2.91" |
| December | 57.6° | 34.6° | 46.1° | 3.81" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station HARTSVILLE, SC US (ID: USC00383990) • 2.8 miles from community center .
This is the same reference station used for monthly normals.
Source: NOAA NCEI Global Summary of the Year.
Annual temperature data table (°F)
| Year | Annual mean (°F) | Annual mean of daily highs (°F) | Annual mean of daily lows (°F) |
|---|---|---|---|
| 2010 | 61.6 | 73.8 | 49.4 |
| 2011 | 63.0 | 75.6 | 50.3 |
| 2012 | 63.6 | 75.7 | 51.5 |
| 2013 | 61.6 | 73.2 | 50.0 |
| 2014 | 61.4 | 73.4 | 49.4 |
| 2015 | 63.8 | 75.2 | 52.3 |
| 2016 | 63.9 | 75.5 | 52.3 |
| 2017 | 64.2 | 76.4 | 52.0 |
| 2018 | 63.6 | 75.0 | 52.2 |
| 2019 | 64.5 | 76.2 | 52.8 |
| 2020 | 64.2 | 75.0 | 53.3 |
| 2021 | 63.1 | 74.9 | 51.2 |
| 2022 | 63.2 | 75.2 | 51.2 |
| 2023 | 63.5 | 75.5 | 51.4 |
| 2024 | 63.9 | 75.7 | 52.2 |
| 2025 | 63.0 | 74.7 | 51.3 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.