Greenville, Alabama climate: Normal weather by month, frost dates and records
Greenville's normal year runs from 37°F January nights to 92°F August afternoons, with 55.2 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 18.9°C, January lows of 3°C, August highs of 34°C, 1,403 mm of precipitation a year.
- NOAA stationGreenville Crenshaw Airport
- Station IDUSW00063874
- Location31.85°N 86.61°W
- Elevation451 ft (138 m)
- Population6,983
On October 14, the normal high in Greenville is 80°F and the normal low 56°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Greenville.
- Jan 59° 37°
- Feb 64° 41°
- Mar 71° 47°
- Apr 78° 53°
- May 86° 61°
- Jun 90° 69°
- Jul 92° 71°
- Aug 92° 71°
- Sep 88° 67°
- Oct 79° 55°
- Nov 69° 45°
- Dec 62° 39°
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 Greenville each month?
August is the warmest month, with normal highs of 92°F; January the coldest, with normal lows of 37°F. The most precipitation falls in August (6.00 in), the least in May (2.63 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 59°F | 37°F | 48.2°F | 4.70 | – | <1 | 12 | 10 h 20 min |
| February | 64°F | 41°F | 52.6°F | 4.72 | – | <1 | 6 | 11 h |
| March | 71°F | 47°F | 58.9°F | 5.17 | – | <1 | 2 | 12 h |
| April | 78°F | 53°F | 65.3°F | 4.65 | – | <1 | <1 | 13 h |
| May | 86°F | 61°F | 73.3°F | 2.63 | – | 7 | <1 | 13 h 50 min |
| June | 90°F | 69°F | 79.4°F | 5.52 | – | 19 | <1 | 14 h 10 min |
| July | 92°F | 71°F | 81.6°F | 4.68 | – | 25 | <1 | 14 h |
| August | 92°F | 71°F | 81.8°F | 6.00 | – | 24 | <1 | 13 h 20 min |
| September | 88°F | 67°F | 77.2°F | 3.91 | – | 17 | <1 | 12 h 20 min |
| October | 79°F | 55°F | 67.1°F | 3.65 | – | 4 | <1 | 11 h 30 min |
| November | 69°F | 45°F | 57.0°F | 4.29 | – | <1 | 3 | 10 h 30 min |
| December | 62°F | 39°F | 50.6°F | 5.32 | – | <1 | 8 | 10 h 10 min |
| Year (annual) | 78°F | 55°F | 66.1°F | 55.24 | – | 96 | 31 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 15°C | 3°C | 9.0°C | 119 mm |
| February | 18°C | 5°C | 11.4°C | 120 mm |
| March | 22°C | 8°C | 14.9°C | 131 mm |
| April | 26°C | 11°C | 18.5°C | 118 mm |
| May | 30°C | 16°C | 22.9°C | 67 mm |
| June | 32°C | 20°C | 26.3°C | 140 mm |
| July | 33°C | 22°C | 27.6°C | 119 mm |
| August | 34°C | 22°C | 27.7°C | 152 mm |
| September | 31°C | 19°C | 25.1°C | 99 mm |
| October | 26°C | 13°C | 19.5°C | 93 mm |
| November | 21°C | 7°C | 13.9°C | 109 mm |
| December | 17°C | 4°C | 10.3°C | 135 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. Greenville's own co-op station Greenville station does: 1 inches of snow in a normal year (see the other stations below).
Source: NOAA NCEI 1991-2020 monthly normals, station USW00063874; 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 Greenville?
Normal highs sit between 65°F and 85°F in March, April, October and November.
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 USW00063874.
When is the last frost in Greenville?
In Greenville, the last spring frost (32°F) comes after March 8 in half of years and after March 28 in one year in ten; the first autumn frost comes before November 20 in half of years and before November 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
- March 81 year in 10 after March 28; 9 in 10 after February 13
- First autumn frost, half of years before
- November 201 year in 10 before November 4; 9 in 10 before December 11
NOAA puts the median frost-free season at 256 days, and the season without a hard freeze (28°F) at 290 days.
A hard freeze (28°F) comes after February 22 in half of springs and before December 5 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Greenville in zone 8b in ZIP code 36037, the nearest ZIP area.
Frost dates for every NOAA station in Alabama · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USW00063874; 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 Greenville?
In a normal year in Greenville, 96 days a year reach 90°F (2 of them 100°F or more) and 31 nights fall to 32°F or colder.
- Days at 90°F or more
- 96a normal year
- Days at 100°F or more
- 2a normal year
- Nights at 32°F or colder
- 31a normal year
- Days that stay below freezing
- 1high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USW00063874.
How sunny is Greenville?
Over a year 78% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Greenville, 4.7 kWh per square metre a day. May is the sunniest month (81%) and February the cloudiest (70%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 73% | 2.9 |
| February | 70% | 3.5 |
| March | 76% | 4.7 |
| April | 79% | 5.8 |
| May | 81% | 6.4 |
| June | 79% | 6.2 |
| July | 80% | 6.0 |
| August | 79% | 5.6 |
| September | 81% | 5.0 |
| October | 81% | 4.3 |
| November | 79% | 3.3 |
| December | 71% | 2.6 |
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 Greenville need?
A normal year in Greenville brings 1,952 heating degree days, 64% fewer than the median U.S. place (5,373), and 2,364 cooling degree days, 2.6 times the median (908). Three months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 6,276 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 525 | 3 |
| February | 359 | 10 |
| March | 213 | 24 |
| April | 72 | 82 |
| May | 5 | 262 |
| June | 0 | 430 |
| July | 0 | 513 |
| August | 0 | 521 |
| September | 2 | 368 |
| October | 66 | 130 |
| November | 258 | 19 |
| December | 451 | 4 |
| Year (annual) | 1,952 | 2,364 |
Source: NOAA NCEI 1991-2020 monthly normals, station USW00063874. 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.
Has Greenville been warmer than normal lately?
2022 averaged 64.5°F, 1.6°F below the 1991-2020 normal of 66.1°F.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2022 | 64.5°F | −1.6°F | 55.93 |
Source: observed years: ACIS, station USW00063874. A year counts only with all twelve months complete.
How does Greenville's climate compare?
Greenville is warmer than 66 of the other 79 places with their own NOAA record in Alabama, and wetter than 15. Across the 7,247 U.S. stations with normals, its annual mean of 66.1°F is warmer than 90%.
In the Köppen classification computed from these normals, Greenville 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 Greenville 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.
- Georgiana, AL1,267 people · 16 mi SW
- Fort Deposit, AL1,122 people · 10 mi N
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
What do Greenville's other NOAA stations record?
One more NOAA station keeps 1991-2020 normals in or near Greenville. This page uses Greenville Crenshaw Airport; the other differs by site and elevation:
| Station | From this station | Elevation | Year | Jan low | Jul high | Precip. | Snow | Last frost |
|---|---|---|---|---|---|---|---|---|
| Greenville station USC00013519 | 4 mi S | 342 ft | 64.5°F | 34°F | 92°F | 59.8 | 1 | March 28 |
Source: NOAA NCEI 1991-2020 normals for each station. Last frost: the median last spring date of 32°F.
Questions about Greenville's climate
What is the coldest month in Greenville?
January, with a normal high of 59°F and a normal low of 37°F. The warmest is August (92°F by day, 71°F at night).
Does it snow in Greenville?
Rarely. NOAA publishes no 1991-2020 snowfall normal for Greenville's NOAA station; Greenville's own co-op station Greenville station records 1 inches of snow in a normal year.
What is the rainiest month in Greenville?
August, with 6.00 in of precipitation in a normal year; the driest is May with 2.63 in.
What plant hardiness zone is Greenville in?
The USDA's 2023 map puts Greenville in zone 8b in ZIP code 36037, the nearest ZIP area.
How late can frost come in Greenville?
In half of years the last 32°F night comes after March 8; in one year in ten it comes after March 28. Waiting until March 28 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Alabama climateThe statewide normals and every place in the state
- Highland Home (2 mi S), AL18 miles from this station, 65.1°F a year
- Highland Home #2, AL19 miles from this station, 65.2°F a year
- Highland Home, AL21 miles from this station, 62.2°F a year
- Montgomery, AL34 miles from this station, 66.4°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made