Coweeta Experiment Station, North Carolina climate: Climate normals at a NOAA weather station
Coweeta Experiment Station's normal year runs from 26°F January nights to 86°F July afternoons, with 72.2 inches of precipitation and 3 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 13.7°C, January lows of −4°C, July highs of 30°C, 1,833 mm of precipitation a year.
- NOAA stationCoweeta Experiment Station
- Station IDUSC00312102
- Location35.06°N 83.43°W
- Elevation2,247 ft (685 m)
On October 23, the normal high in Coweeta Experiment Station is 70°F and the normal low 40°F, and the chance of measurable rain or snow is 30%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Coweeta Experiment Station.
- Jan 52° 26°
- Feb 55° 29°
- Mar 62° 35°
- Apr 71° 42°
- May 78° 50°
- Jun 83° 57°
- Jul 86° 61°
- Aug 85° 60°
- Sep 80° 54°
- Oct 72° 43°
- Nov 62° 33°
- Dec 54° 28°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like at Coweeta Experiment Station each month?
July is the warmest month, with normal highs of 86°F; January the coldest, with normal lows of 26°F. The most precipitation falls in December (7.25 in), the least in October (5.07 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 52°F | 26°F | 38.6°F | 7.08 | 0.4 | 12 | <1 | 23 | 10 h |
| February | 55°F | 29°F | 41.9°F | 6.50 | 0.3 | 11 | <1 | 19 | 10 h 50 min |
| March | 62°F | 35°F | 48.5°F | 6.67 | 1.1 | 13 | <1 | 13 | 11 h 50 min |
| April | 71°F | 42°F | 56.6°F | 6.12 | 0.0 | 11 | <1 | 4 | 13 h |
| May | 78°F | 50°F | 64.0°F | 5.30 | 0.0 | 12 | <1 | <1 | 14 h |
| June | 83°F | 57°F | 70.2°F | 5.92 | 0.0 | 14 | 2 | <1 | 14 h 30 min |
| July | 86°F | 61°F | 73.4°F | 5.11 | 0.0 | 14 | 5 | <1 | 14 h 20 min |
| August | 85°F | 60°F | 72.5°F | 5.33 | 0.0 | 13 | 4 | <1 | 13 h 30 min |
| September | 80°F | 54°F | 67.2°F | 5.68 | 0.0 | 9 | 1 | <1 | 12 h 30 min |
| October | 72°F | 43°F | 57.3°F | 5.07 | 0.0 | 9 | <1 | 5 | 11 h 20 min |
| November | 62°F | 33°F | 47.5°F | 6.14 | 0.0 | 10 | <1 | 17 | 10 h 20 min |
| December | 54°F | 28°F | 41.3°F | 7.25 | 0.8 | 12 | <1 | 22 | 9 h 50 min |
| Year (annual) | 70°F | 43°F | 56.6°F | 72.17 | 2.6 | 138 | 12 | 103 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 11°C | −4°C | 3.7°C | 180 mm | 1 cm |
| February | 13°C | −2°C | 5.5°C | 165 mm | 1 cm |
| March | 17°C | 1°C | 9.2°C | 169 mm | 3 cm |
| April | 22°C | 6°C | 13.7°C | 155 mm | 0 cm |
| May | 25°C | 10°C | 17.8°C | 135 mm | 0 cm |
| June | 28°C | 14°C | 21.2°C | 150 mm | 0 cm |
| July | 30°C | 16°C | 23.0°C | 130 mm | 0 cm |
| August | 30°C | 16°C | 22.5°C | 135 mm | 0 cm |
| September | 27°C | 12°C | 19.6°C | 144 mm | 0 cm |
| October | 22°C | 6°C | 14.1°C | 129 mm | 0 cm |
| November | 17°C | 0°C | 8.6°C | 156 mm | 0 cm |
| December | 12°C | −2°C | 5.2°C | 184 mm | 2 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00312102; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
Which months are mildest at Coweeta Experiment Station?
Normal highs sit between 65°F and 85°F in April, May, June, September and October. Of those, October has the fewest days with rain (9).
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00312102.
When is the last frost at Coweeta Experiment Station?
In Coweeta Experiment Station, the last spring frost (32°F) comes after April 23 in half of years and after May 11 in one year in ten; the first autumn frost comes before October 17 in half of years and before October 4 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- April 231 year in 10 after May 11; 9 in 10 after April 6
- First autumn frost, half of years before
- October 171 year in 10 before October 4; 9 in 10 before November 1
NOAA puts the median frost-free season at 175 days, and the season without a hard freeze (28°F) at 201 days.
A hard freeze (28°F) comes after April 8 in half of springs and before October 28 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Coweeta Experiment Station in zone 7b in ZIP code 28763, the nearest ZIP area.
Frost dates for every NOAA station in North Carolina · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00312102; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get at Coweeta Experiment Station?
In a normal year in Coweeta Experiment Station, 12 days a year reach 90°F, 103 nights fall to 32°F or colder and 138 days bring measurable precipitation.
- Days at 90°F or more
- 12a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 103a normal year
- Days that stay below freezing
- 2high of 32°F or less
- Days with 0.01 inch of precipitation
- 138a normal year
- Days with 1 inch of snow or more
- 1a normal year
The highest temperature in this station's record (since 1942) is 99°F, on June 30, 2012; the lowest is −18°F, on January 21, 1985.
The wettest calendar year on that record is 2018, with 98.62 in; the snowiest season is 1992–93, with 29.3 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00312102; records: ACIS (NOAA Regional Climate Centers), station USC00312102. Records use complete months only; a month missing more than three days is left out.
How sunny is it at Coweeta Experiment Station?
Over a year 73% of the sunlight that would reach the ground under clear skies gets through the clouds at Coweeta Experiment Station, 4.3 kWh per square metre a day. August is the sunniest month (77%) and February the cloudiest (65%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 69% | 2.5 |
| February | 65% | 3.0 |
| March | 69% | 4.1 |
| April | 73% | 5.3 |
| May | 74% | 5.8 |
| June | 76% | 6.1 |
| July | 75% | 5.8 |
| August | 77% | 5.4 |
| September | 76% | 4.7 |
| October | 76% | 3.8 |
| November | 76% | 2.9 |
| December | 68% | 2.2 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How many heating and cooling degree days does Coweeta Experiment Station record?
A normal year at Coweeta Experiment Station brings 3,908 heating degree days, 27% fewer than the median U.S. place (5,373), and 868 cooling degree days, 4% fewer than the median (908). Five months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 3,672 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 817 | 0 |
| February | 647 | 0 |
| March | 514 | 1 |
| April | 263 | 13 |
| May | 97 | 64 |
| June | 12 | 170 |
| July | 1 | 261 |
| August | 2 | 234 |
| September | 41 | 107 |
| October | 253 | 16 |
| November | 526 | 1 |
| December | 735 | 0 |
| Year (annual) | 3,908 | 868 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00312102. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
Have recent years at Coweeta Experiment Station been warmer than normal?
2025 averaged 57.6°F, 1.0°F above the 1991-2020 normal of 56.6°F. 5 of the 5 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2021 | 57.5°F | +0.9°F | 69.29 | 3.0 |
| 2022 | 57.1°F | +0.5°F | 73.89 | 6.2 |
| 2023 | 57.7°F | +1.1°F | 62.10 | 0.0 |
| 2024 | 58.5°F | +1.9°F | 76.98 | 0.0 |
| 2025 | 57.6°F | +1.0°F | 59.61 | 3.6 |
Over 65 complete years from 1945 to 2025, the station's annual mean temperature rose at a fitted 3.1°F per century (+0.17°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00312102; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Coweeta Experiment Station's climate compare?
Coweeta Experiment Station is warmer than 26 of the 131 places with their own NOAA record in North Carolina, and wetter than 122. Across the 7,247 U.S. stations with normals, its annual mean of 56.6°F is warmer than 65%.
In the Köppen classification computed from these normals, Coweeta Experiment Station is Cfa: temperate, no dry season, hot summer. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Which places near Coweeta Experiment Station share this climate record?
3 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- Sky Valley, GA491 people · 8 mi SE
- Dillard, GA337 people · 7 mi SE
- Tate City, GA0 people · 9 mi SW
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about Coweeta Experiment Station's climate
What is the coldest month at Coweeta Experiment Station?
January, with a normal high of 52°F and a normal low of 26°F. The warmest is July (86°F by day, 61°F at night).
Does it snow at Coweeta Experiment Station?
Yes: 3 inches in a normal year, falling on 1 days with 0.1 inch or more, the most in March (1.1 inches).
What is the rainiest month at Coweeta Experiment Station?
December, with 7.25 in of precipitation in a normal year; the driest is October with 5.07 in.
What plant hardiness zone is Coweeta Experiment Station in?
The USDA's 2023 map puts Coweeta Experiment Station in zone 7b in ZIP code 28763, the nearest ZIP area.
How late can frost come at Coweeta Experiment Station?
In half of years the last 32°F night comes after April 23; in one year in ten it comes after May 11. Waiting until May 11 leaves about a one-in-ten chance of a later frost.
Nearby and next
- North Carolina climateThe statewide normals and every place in the state
- Franklin, NC9 miles from this station, 56.1°F a year
- Germany Valley, GA11 miles from this station, 54.3°F a year
- Mountain City, GA11 miles from this station, 53.3°F a year
- Clayton, GA12 miles from this station, 57.8°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made