Flat Springs (1 mi E), North Carolina climate: Climate normals at a NOAA weather station

Flat Springs (1 mi E)'s normal year runs from 24°F January nights to 79°F July afternoons, with 49.0 inches of precipitation and 48 inches of snow a year. (NOAA 1991-2020 normals)

In metric: a yearly mean of 11.2°C, January lows of −4°C, July highs of 26°C, 1,244 mm of precipitation a year.

  • NOAA stationFlat Springs (1 mi E)
  • Station IDUSC00313072
  • Location36.25°N 81.91°W
  • Elevation3,330 ft (1,015 m)

On October 23, the normal high in Flat Springs (1 mi E) is 61°F and the normal low 42°F, and the chance of measurable rain or snow is 36%.

Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Flat Springs (1 mi E).

  1. Jan 42° 24°
  2. Feb 44° 27°
  3. Mar 52° 33°
  4. Apr 62° 42°
  5. May 70° 50°
  6. Jun 75° 58°
  7. Jul 79° 61°
  8. Aug 78° 60°
  9. Sep 73° 54°
  10. Oct 64° 44°
  11. Nov 53° 35°
  12. Dec 46° 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 Flat Springs (1 mi E) each month?

July is the warmest month, with normal highs of 79°F; January the coldest, with normal lows of 24°F. The most precipitation falls in July (5.23 in), the least in September (2.95 in).

Flat Springs (1 mi E) monthly normals, 1991-2020 (°F, inches)
MonthHighLowMeanPrecip.SnowWet days90°F daysFreezing nightsDaylight
January 42°F24°F32.9°F 4.4112.6 17<12310 h
February 44°F27°F35.7°F 3.6911.2 15<12010 h 50 min
March 52°F33°F42.4°F 4.298.6 15<11411 h 50 min
April 62°F42°F52.0°F 4.570.9 14<1513 h
May 70°F50°F59.9°F 4.380.0 17<1114 h
June 75°F58°F66.7°F 5.180.0 13<1<114 h 40 min
July 79°F61°F69.7°F 5.230.0 15<1<114 h 20 min
August 78°F60°F68.9°F 4.200.0 14<1<113 h 30 min
September 73°F54°F63.6°F 2.950.0 11<1<112 h 30 min
October 64°F44°F53.9°F 3.051.0 11<1211 h 20 min
November 53°F35°F44.1°F 3.033.2 11<11210 h 20 min
December 46°F28°F36.8°F 4.0110.7 16<1199 h 40 min
Year (annual)61°F43°F52.2°F48.9948.2170<195
The same normals in °C and millimetres
Flat Springs (1 mi E) monthly normals, 1991-2020 (°C, mm, snow in cm)
MonthHighLowMeanPrecip.Snow
January5°C−4°C0.5°C112 mm32 cm
February7°C−3°C2.1°C94 mm28 cm
March11°C0°C5.8°C109 mm22 cm
April17°C6°C11.1°C116 mm2 cm
May21°C10°C15.5°C111 mm0 cm
June24°C14°C19.3°C132 mm0 cm
July26°C16°C20.9°C133 mm0 cm
August25°C16°C20.5°C107 mm0 cm
September23°C12°C17.6°C75 mm0 cm
October18°C7°C12.2°C77 mm3 cm
November12°C2°C6.7°C77 mm8 cm
December8°C−2°C2.7°C102 mm27 cm
Normal daily high and low by month, Flat Springs (1 mi E)
Normal precipitation by month, Flat Springs (1 mi E) (inches)

Source: NOAA NCEI 1991-2020 monthly normals, station USC00313072; 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 Flat Springs (1 mi E)?

Normal highs sit between 65°F and 85°F in May, June, July, August and September. Of those, September has the fewest days with rain (11).

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 USC00313072.

When is the last frost at Flat Springs (1 mi E)?

In Flat Springs (1 mi E), the last spring frost (32°F) comes after April 18 in half of years and after May 7 in one year in ten; the first autumn frost comes before October 24 in half of years and before October 11 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 181 year in 10 after May 7; 9 in 10 after April 3
First autumn frost, half of years before
October 241 year in 10 before October 11; 9 in 10 before November 6

NOAA puts the median frost-free season at 188 days, and the season without a hard freeze (28°F) at 213 days.

A hard freeze (28°F) comes after April 4 in half of springs and before November 2 in half of autumns.

The USDA's 2023 Plant Hardiness Zone Map puts Flat Springs (1 mi E) in zone 6b in ZIP code 28622, 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 USC00313072; 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 Flat Springs (1 mi E)?

In a normal year in Flat Springs (1 mi E), a 90°F day is rare, 95 nights fall to 32°F or colder and 170 days bring measurable precipitation.

Days at 90°F or more
fewer than 1a normal year
Days at 100°F or more
fewer than 1a normal year
Nights at 32°F or colder
95a normal year
Days that stay below freezing
22high of 32°F or less
Days with 0.01 inch of precipitation
170a normal year
Days with 1 inch of snow or more
14a normal year

Source: NOAA NCEI 1991-2020 annual normals, station USC00313072.

How sunny is it at Flat Springs (1 mi E)?

Over a year 72% of the sunlight that would reach the ground under clear skies gets through the clouds at Flat Springs (1 mi E), 4.2 kWh per square metre a day. August is the sunniest month (75%) and February the cloudiest (66%).

Flat Springs (1 mi E): sunshine by month (NASA POWER, 2001-2020)
MonthShare of clear-sky sunshineSunshine, kWh/m² a day
January68%2.4
February66%3.0
March69%4.1
April72%5.2
May71%5.7
June75%6.1
July74%5.8
August75%5.3
September74%4.6
October74%3.6
November75%2.8
December68%2.1

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 Flat Springs (1 mi E) record?

A normal year at Flat Springs (1 mi E) brings 5,092 heating degree days, 5% fewer than the median U.S. place (5,373), and 461 cooling degree days, 49% fewer than the median (908). Seven months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 2,884 growing degree days a year above 50°F.

Flat Springs (1 mi E): normal heating and cooling degree days by month (base 65°F)
MonthHeatingCooling
January9950
February8200
March7010
April3944
May18123
June3485
July9156
August10131
September9553
October3518
November6260
December8760
Year (annual)5,092461

Source: NOAA NCEI 1991-2020 monthly normals, station USC00313072. 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 Flat Springs (1 mi E) been warmer than normal?

2025 averaged 52.8°F, 0.6°F above the 1991-2020 normal of 52.2°F. 5 of the 5 complete years since 2021 ran warmer than the normal.

Flat Springs (1 mi E): each recent year's mean against the 1991-2020 normal (52.2°F)
YearMeanAgainst normalPrecip.Snow
202153.1°F+0.9°F49.7530.2
202252.4°F+0.2°F48.2435.6
202353.7°F+1.5°F48.1218.4
202454.0°F+1.8°F63.9139.9
202552.8°F+0.6°F41.7536.9

Source: observed years: ACIS, station USC00313072. A year counts only with all twelve months complete.

How does Flat Springs (1 mi E)'s climate compare?

Flat Springs (1 mi E) is warmer than 7 of the 131 places with their own NOAA record in North Carolina, and wetter than 50. Across the 7,247 U.S. stations with normals, its annual mean of 52.2°F is warmer than 50%.

In the Köppen classification computed from these normals, Flat Springs (1 mi E) is Cfb: temperate, no dry season, warm 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 Flat Springs (1 mi E) share this climate record?

2 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.

  • Hampton, TN1,695 people · 15 mi W
  • Butler, TN150 people · 10 mi NW

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 Flat Springs (1 mi E)'s climate

What is the coldest month at Flat Springs (1 mi E)?

January, with a normal high of 42°F and a normal low of 24°F. The warmest is July (79°F by day, 61°F at night).

Does it snow at Flat Springs (1 mi E)?

Yes: 48 inches in a normal year, falling on 27 days with 0.1 inch or more, the most in January (12.6 inches).

What is the rainiest month at Flat Springs (1 mi E)?

July, with 5.23 in of precipitation in a normal year; the driest is September with 2.95 in.

What plant hardiness zone is Flat Springs (1 mi E) in?

The USDA's 2023 map puts Flat Springs (1 mi E) in zone 6b in ZIP code 28622, the nearest ZIP area.

How late can frost come at Flat Springs (1 mi E)?

In half of years the last 32°F night comes after April 18; in one year in ten it comes after May 7. Waiting until May 7 leaves about a one-in-ten chance of a later frost.

Nearby and next

Download these normals (CSV) · JSON · How these figures are made