Gainesboro, Tennessee climate: Normal weather by month, frost dates and records
Gainesboro's normal year runs from 24°F January nights to 90°F July afternoons, with 56.5 inches of precipitation and 5 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 14.1°C, January lows of −5°C, July highs of 32°C, 1,435 mm of precipitation a year.
- NOAA stationGainesboro
- Station IDUSC00403370
- Location36.37°N 85.66°W
- Elevation487 ft (148 m)
- From the centerunder 1 mile
- Population961
On October 23, the normal high in Gainesboro is 71°F and the normal low 40°F, and the chance of measurable rain or snow is 29%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Gainesboro.
- Jan 47° 24°
- Feb 53° 27°
- Mar 62° 33°
- Apr 73° 41°
- May 81° 52°
- Jun 87° 60°
- Jul 90° 65°
- Aug 90° 63°
- Sep 84° 56°
- Oct 74° 43°
- Nov 61° 33°
- Dec 51° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Gainesboro each month?
July is the warmest month, with normal highs of 90°F; January the coldest, with normal lows of 24°F. The most precipitation falls in December (5.77 in), the least in September (3.43 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 47°F | 24°F | 35.4°F | 4.79 | 2.5 | 11 | <1 | 24 | 10 h |
| February | 53°F | 27°F | 40.0°F | 4.95 | 0.8 | 11 | <1 | 20 | 10 h 50 min |
| March | 62°F | 33°F | 47.7°F | 5.27 | 0.7 | 12 | <1 | 15 | 11 h 50 min |
| April | 73°F | 41°F | 57.1°F | 4.74 | 0.0 | 11 | <1 | 5 | 13 h |
| May | 81°F | 52°F | 66.1°F | 5.46 | 0.0 | 12 | 2 | <1 | 14 h |
| June | 87°F | 60°F | 73.8°F | 5.52 | 0.0 | 11 | 9 | <1 | 14 h 40 min |
| July | 90°F | 65°F | 77.4°F | 4.95 | 0.0 | 9 | 16 | <1 | 14 h 30 min |
| August | 90°F | 63°F | 76.4°F | 4.07 | 0.0 | 7 | 14 | <1 | 13 h 40 min |
| September | 84°F | 56°F | 69.8°F | 3.43 | 0.0 | 8 | 7 | <1 | 12 h 30 min |
| October | 74°F | 43°F | 58.4°F | 3.67 | 0.0 | 9 | 1 | 3 | 11 h 20 min |
| November | 61°F | 33°F | 46.9°F | 3.88 | 0.0 | 10 | <1 | 15 | 10 h 20 min |
| December | 51°F | 27°F | 38.9°F | 5.77 | 0.6 | 11 | <1 | 22 | 9 h 40 min |
| Year (annual) | 71°F | 44°F | 57.3°F | 56.50 | 4.6 | 120 | 48 | 104 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 8°C | −5°C | 1.9°C | 122 mm | 6 cm |
| February | 12°C | −3°C | 4.4°C | 126 mm | 2 cm |
| March | 17°C | 1°C | 8.7°C | 134 mm | 2 cm |
| April | 23°C | 5°C | 13.9°C | 120 mm | 0 cm |
| May | 27°C | 11°C | 18.9°C | 139 mm | 0 cm |
| June | 31°C | 16°C | 23.2°C | 140 mm | 0 cm |
| July | 32°C | 18°C | 25.2°C | 126 mm | 0 cm |
| August | 32°C | 17°C | 24.7°C | 103 mm | 0 cm |
| September | 29°C | 13°C | 21.0°C | 87 mm | 0 cm |
| October | 23°C | 6°C | 14.7°C | 93 mm | 0 cm |
| November | 16°C | 0°C | 8.3°C | 99 mm | 0 cm |
| December | 11°C | −3°C | 3.8°C | 147 mm | 2 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00403370; 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.
When is the best weather to visit Gainesboro?
Normal highs sit between 65°F and 85°F in April, May, September and October. Of those, September has the fewest days with rain (8).
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 USC00403370.
When is the last frost in Gainesboro?
In Gainesboro, the last spring frost (32°F) comes after April 20 in half of years and after May 6 in one year in ten; the first autumn frost comes before October 22 in half of years and before October 8 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 201 year in 10 after May 6; 9 in 10 after April 7
- First autumn frost, half of years before
- October 221 year in 10 before October 8; 9 in 10 before November 3
NOAA puts the median frost-free season at 183 days, and the season without a hard freeze (28°F) at 205 days.
A hard freeze (28°F) comes after April 8 in half of springs and before October 30 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Gainesboro in zone 7a in ZIP code 38562, the nearest ZIP area.
Frost dates for every NOAA station in Tennessee · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00403370; 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 in Gainesboro?
In a normal year in Gainesboro, 48 days a year reach 90°F (1 of them 100°F or more), 104 nights fall to 32°F or colder and 120 days bring measurable precipitation.
- Days at 90°F or more
- 48a normal year
- Days at 100°F or more
- 1a normal year
- Nights at 32°F or colder
- 104a normal year
- Days that stay below freezing
- 8high of 32°F or less
- Days with 0.01 inch of precipitation
- 120a normal year
- Days with 1 inch of snow or more
- 2a normal year
Source: NOAA NCEI 1991-2020 annual normals, station USC00403370.
How sunny is Gainesboro?
Over a year 74% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Gainesboro, 4.2 kWh per square metre a day. August is the sunniest month (80%) and February the cloudiest (62%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 64% | 2.2 |
| February | 62% | 2.7 |
| March | 66% | 3.9 |
| April | 73% | 5.2 |
| May | 74% | 5.7 |
| June | 80% | 6.3 |
| July | 79% | 6.0 |
| August | 80% | 5.6 |
| September | 78% | 4.7 |
| October | 75% | 3.6 |
| November | 73% | 2.6 |
| December | 63% | 1.9 |
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 much heating and cooling does Gainesboro need?
A normal year in Gainesboro brings 4,120 heating degree days, 23% fewer than the median U.S. place (5,373), and 1,357 cooling degree days, 50% more 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 4,247 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 916 | 0 |
| February | 699 | 1 |
| March | 540 | 3 |
| April | 264 | 26 |
| May | 79 | 113 |
| June | 5 | 270 |
| July | 0 | 385 |
| August | 1 | 354 |
| September | 32 | 175 |
| October | 233 | 30 |
| November | 542 | 1 |
| December | 809 | 0 |
| Year (annual) | 4,120 | 1,357 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00403370. 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.
How does Gainesboro's climate compare?
Gainesboro is warmer than 26 of the other 115 places with their own NOAA record in Tennessee, and wetter than 62. Across the 7,247 U.S. stations with normals, its annual mean of 57.3°F is warmer than 67%.
In the Köppen classification computed from these normals, Gainesboro 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 Gainesboro share this climate record?
Dodson Branch has no NOAA station with 1991-2020 normals of its 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.
- Dodson Branch, TN1,163 people · 8 mi SE
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 Gainesboro's climate
What is the coldest month in Gainesboro?
January, with a normal high of 47°F and a normal low of 24°F. The warmest is July (90°F by day, 65°F at night).
Does it snow in Gainesboro?
Yes: 5 inches in a normal year, falling on 2 days with 0.1 inch or more, the most in January (2.5 inches).
What is the rainiest month in Gainesboro?
December, with 5.77 in of precipitation in a normal year; the driest is September with 3.43 in.
What plant hardiness zone is Gainesboro in?
The USDA's 2023 map puts Gainesboro in zone 7a in ZIP code 38562, the nearest ZIP area.
How late can frost come in Gainesboro?
In half of years the last 32°F night comes after April 20; in one year in ten it comes after May 6. Waiting until May 6 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Tennessee climateThe statewide normals and every place in the state
- Livingston, TN18 miles from this station, 57.4°F a year
- Carthage, TN18 miles from this station, 58.5°F a year
- Cookeville, TN20 miles from this station, 57.4°F a year
- Lancaster Edgar Evins Marina, TN22 miles from this station, 59.4°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made