Climate Comfort Score
78/100
Good
NOAA 1991–2020 normals 62°F annual avg Public-domain federal data
Hartwell Dam, GA Climate
Average temperature, precipitation, and a comfort score, drawn from NOAA NCEI 1991–2020 normals →
- 62°F
- Avg annual temp
- 78/100
- Comfort score
- 50.4"
- Annual precip
- 232d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Hartwell Dam
Hartwell Dam, Georgia averages 62°F a year and scores 78/100 on the comfort index - good, milder than 74% of U.S. cities.
- 62°F
- annual average temperature (NOAA normal)
- 78/100
- comfort score, milder than 74% of U.S. cities
- 50.4"
- yearly precipitation total
- 232 days
- frost-free 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
73°F
Avg Low
51°F
Annual Precip
50.4"
Comfort Score
78/100
Good
Avg Annual Temperature
62°F
30-year mean (NOAA NCEI)
Annual Precipitation
50.4"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Hartwell Dam) 78.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Hartwell Dam area.
How Hartwell Dam compares to every U.S. city
Hartwell Dam's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
78 Top 26% higher than 74% 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 Hartwell Dam
MethodologySince 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. Hartwell Dam's current NOAA 1991-2020 normal sits within that longer spread, and the most recent decade runs warmer than the 30-year mean.
- 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 | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 53°F (12°C) | 32°F (0°C) | 43°F (6°C) | 4.5" | 15.7 | 0.0 |
| February | 57°F (14°C) | 35°F (1°C) | 46°F (8°C) | 4.2" | 9.5 | 0.0 |
| March | 64°F (18°C) | 40°F (5°C) | 52°F (11°C) | 4.9" | 4.9 | 0.0 |
| April | 73°F (23°C) | 48°F (9°C) | 61°F (16°C) | 3.6" | 0.3 | 0.0 |
| May | 81°F (27°C) | 58°F (14°C) | 69°F (21°C) | 3.5" | 0.0 | 4.0 |
| June | 88°F (31°C) | 66°F (19°C) | 77°F (25°C) | 4.4" | 0.0 | 15.1 |
| July | 91°F (33°C) | 70°F (21°C) | 81°F (27°C) | 4.3" | 0.0 | 21.6 |
| August | 89°F (32°C) | 69°F (21°C) | 79°F (26°C) | 4.5" | 0.0 | 15.3 |
| September | 83°F (29°C) | 63°F (17°C) | 73°F (23°C) | 3.9" | 0.0 | 7.0 |
| October | 74°F (23°C) | 51°F (11°C) | 62°F (17°C) | 3.6" | 0.0 | 0.6 |
| November | 64°F (18°C) | 40°F (5°C) | 52°F (11°C) | 4.1" | 5.9 | 0.0 |
| December | 56°F (13°C) | 35°F (2°C) | 46°F (8°C) | 4.9" | 8.9 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January 4.5"
February 4.2"
March 4.9"
April 3.6"
May 3.5"
June 4.4"
July 4.3"
August 4.5"
September 3.9"
October 3.6"
November 4.1"
December 4.9"
Frost Dates & Growing Season
First Fall Freeze
November 12
50% probability date
Last Spring Freeze
March 25
50% probability date
Growing Season
232 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
2,959
Higher = more heating needed
Cooling Degree Days
1,805
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Hartwell Dam's climate means for you
Hartwell Dam runs 62°F a year - peaking in July, coldest in January.
- Gardeners get about 232 frost-free days, with the last spring freeze near March 25 - plan the planting calendar around it, not the regional average.
- Energy bills track 2,959 heating and 1,805 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: Hartwell Dam, GA
Hartwell Dam, Georgia runs an annual average of 62°F, ranging from a mean daily high of 73°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 USC00094138, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Hartwell Dam averages 50.4 inches of precipitation a year, predominantly as rainfall, and that matters as much to daily life here as temperature does. The frost-free season averages 232 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 25 and the first fall freeze near November 12. As for energy demand, 2,959 heating degree days and 1,805 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Hartwell Dam scores 78/100 (Good), 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 Hartwell Dam, GA? ▼
The average annual temperature in Hartwell Dam, Georgia is 62°F. The warmest month averages 91°F (33°C) and the coldest averages 32°F (0°C).
How much rain does Hartwell Dam get? ▼
Hartwell Dam receives 50.4 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Hartwell Dam? ▼
Hartwell Dam has a climate comfort score of 78/100 (Good), milder than 74% of U.S. cities in the PlainClimate database.
When is the growing season in Hartwell Dam? ▼
Hartwell Dam has approximately 232 frost-free days per year, with the last spring freeze around March 25 and the first fall freeze around November 12.
How much energy does heating and cooling require in Hartwell Dam? ▼
Hartwell Dam has 2,959 heating degree days and 1,805 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 Hartwell Dam climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00094138 near Hartwell Dam.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00094138. 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.