Climate Comfort Score
73/100
Good
NOAA 1991–2020 normals 60°F annual avg Public-domain federal data
Summerville, GA Climate
Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →
- 60°F
- Avg annual temp
- 73/100
- Comfort score
- 58.3"
- Annual precip
- 206d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Summerville
Summerville, Georgia averages 60°F a year and scores 73/100 on the comfort index - good, milder than 68% of U.S. cities.
- 60°F
- average temperature, NOAA 1991-2020 normal
- 73/100
- comfort score, milder than 68% of U.S. cities
- 58.3"
- yearly precipitation total
- 206 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
60°F (15°C)
Avg High
72°F
Avg Low
47°F
Annual Precip
58.3"
Annual Snow
0.3"
Comfort Score
73/100
Good
Avg Annual Temperature
60°F
30-year mean (NOAA NCEI)
Annual Precipitation
58.3"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Summerville) 73.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Summerville area.
How Summerville compares to every U.S. city
Summerville's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
73 Top 32% higher than 68% 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 Summerville
MethodologyHow the U.S. land temperature anomaly tracks against the global mean since 1900. The current NOAA 1991-2020 normal for Summerville captures average conditions across the spread shown, the most recent decade is 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 | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 52°F (11°C) | 29°F (-2°C) | 41°F (5°C) | 5.0" | 0.1" | 20.5 | 0.0 |
| February | 57°F (14°C) | 31°F (0°C) | 44°F (7°C) | 5.4" | 0.1" | 16.9 | 0.0 |
| March | 64°F (18°C) | 37°F (3°C) | 51°F (10°C) | 6.1" | 0.0" | 9.9 | 0.0 |
| April | 73°F (23°C) | 45°F (7°C) | 59°F (15°C) | 5.0" | 0.0" | 2.1 | 0.2 |
| May | 80°F (27°C) | 55°F (13°C) | 67°F (20°C) | 4.4" | 0.0" | 0.0 | 2.1 |
| June | 87°F (30°C) | 63°F (17°C) | 75°F (24°C) | 4.9" | 0.0" | 0.0 | 12.3 |
| July | 90°F (32°C) | 67°F (19°C) | 79°F (26°C) | 4.3" | 0.0" | 0.0 | 18.1 |
| August | 89°F (32°C) | 66°F (19°C) | 78°F (25°C) | 4.3" | 0.0" | 0.0 | 17.5 |
| September | 84°F (29°C) | 59°F (15°C) | 72°F (22°C) | 4.2" | 0.0" | 0.0 | 10.0 |
| October | 75°F (24°C) | 47°F (8°C) | 61°F (16°C) | 3.8" | 0.0" | 2.5 | 0.6 |
| November | 63°F (17°C) | 36°F (2°C) | 49°F (10°C) | 4.6" | 0.0" | 13.6 | 0.0 |
| December | 55°F (13°C) | 32°F (0°C) | 43°F (6°C) | 6.3" | 0.1" | 17.6 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 5.0"
Snow: 0.1"
9.5 days with precipitation
February 5.4"
Snow: 0.1"
9.3 days with precipitation
March 6.1"
9.5 days with precipitation
April 5.0"
7.9 days with precipitation
May 4.4"
8.8 days with precipitation
June 4.9"
9.9 days with precipitation
July 4.3"
9.2 days with precipitation
August 4.3"
8.8 days with precipitation
September 4.2"
6.1 days with precipitation
October 3.8"
6.5 days with precipitation
November 4.6"
7.5 days with precipitation
December 6.3"
Snow: 0.1"
9.4 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
October 30
50% probability date
Last Spring Freeze
April 7
50% probability date
Growing Season
206 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
3,395
Higher = more heating needed
Cooling Degree Days
1,527
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Summerville's climate means for you
Summerville runs 60°F a year - peaking in July, coldest in January.
- Gardeners get about 206 frost-free days, with the last spring freeze near April 7 - plan the planting calendar around it, not the regional average.
- Energy bills track 3,395 heating and 1,527 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: Summerville, GA
Summerville, Georgia runs an annual average of 60°F, ranging from a mean daily high of 72°F to a mean daily low of 47°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 USC00098436, 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 Summerville should weigh precipitation alongside temperature: the annual average runs 58.3 inches, with negligible snowfall. The frost-free season averages 206 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 7 and the first fall freeze near October 30. And on the energy front, 3,395 heating degree days and 1,527 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Summerville scores 73/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above turn that into a planning tool: expect the mildest highs and lows in the shoulder seasons, July-driven heat at the peak of summer, and January-driven cold at the depth of winter. Every number here is a thirty-year average, not a forecast, so any given year can and does run warmer, cooler, wetter, or drier than the normal.
Frequently Asked Questions
What is the average temperature in Summerville, GA? ▼
The average annual temperature in Summerville, Georgia is 60°F. The warmest month averages 90°F (32°C) and the coldest averages 29°F (-2°C).
How much rain does Summerville get? ▼
Summerville receives 58.3 inches of precipitation annually, including 0.3 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Summerville? ▼
Summerville has a climate comfort score of 73/100 (Good), milder than 68% of U.S. cities in the PlainClimate database.
When is the growing season in Summerville? ▼
Summerville has approximately 206 frost-free days per year, with the last spring freeze around April 7 and the first fall freeze around October 30.
How much energy does heating and cooling require in Summerville? ▼
Summerville has 3,395 heating degree days and 1,527 cooling degree days annually, a heating-dominated climate. 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 Summerville climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00098436 near Summerville.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00098436. 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.