Annual mean
Annual mean of daily highs
Annual mean of daily lows
Hanahan city, South Carolina
Official LSAD Designation: Hanahan city • Census GEOID: 4532065
• Berkeley County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Hanahan city.
Reference Weather Station: CHARLESTON INTL AP, SC US (ID: USW00013880)
• Located 3.1 miles from community center
• Elevation: 12.2 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 60.2° | 38.9° | 49.5° | 3.37" |
| February | 63.8° | 41.6° | 52.7° | 3.05" |
| March | 70.1° | 47.3° | 58.7° | 3.35" |
| April | 77.1° | 54.5° | 65.8° | 3.29" |
| May | 83.6° | 63.0° | 73.3° | 3.32" |
| June | 88.5° | 70.4° | 79.4° | 6.21" |
| July | 91.3° | 73.7° | 82.5° | 6.60" |
| August | 89.8° | 73.1° | 81.4° | 6.97" |
| September | 85.4° | 68.3° | 76.9° | 6.01" |
| October | 77.9° | 57.7° | 67.8° | 4.33" |
| November | 69.4° | 47.1° | 58.3° | 2.66" |
| December | 62.7° | 41.6° | 52.2° | 3.35" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station CHARLESTON INTL AP, SC US (ID: USW00013880) • 3.1 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 | 65.5 | 75.8 | 55.2 |
| 2011 | 67.3 | 78.1 | 56.5 |
| 2012 | 67.3 | 77.8 | 56.8 |
| 2013 | 66.6 | 76.5 | 56.7 |
| 2014 | 66.9 | 77.1 | 56.7 |
| 2015 | 67.8 | 77.4 | 58.2 |
| 2016 | 68.4 | 78.5 | 58.2 |
| 2017 | 68.2 | 78.3 | 58.1 |
| 2018 | 67.9 | 77.5 | 58.3 |
| 2019 | 68.0 | 78.1 | 58.0 |
| 2020 | 68.1 | 77.6 | 58.7 |
| 2021 | 66.5 | 76.5 | 56.6 |
| 2022 | 67.1 | 77.0 | 57.2 |
| 2023 | 68.7 | 78.8 | 58.5 |
| 2024 | 68.6 | 78.6 | 58.5 |
| 2025 | 66.8 | 77.1 | 56.6 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.