Lexington, Mississippi climate: Normal weather by month, frost dates and records
Lexington's normal year runs from 31°F January nights to 90°F July afternoons, with 56.5 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 16.5°C, January lows of −1°C, July highs of 32°C, 1,436 mm of precipitation a year.
- NOAA stationLexington
- Station IDUSC00225062
- Location33.12°N 90.05°W
- Elevation285 ft (87 m)
- Population1,407
On October 22, the normal high in Lexington is 74°F and the normal low 47°F, and the chance of measurable rain or snow is 21%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Lexington.
- Jan 54° 31°
- Feb 58° 34°
- Mar 66° 42°
- Apr 74° 49°
- May 81° 59°
- Jun 87° 65°
- Jul 90° 69°
- Aug 90° 68°
- Sep 86° 61°
- Oct 76° 49°
- Nov 65° 39°
- Dec 56° 33°
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 Lexington each month?
July is the warmest month, with normal highs of 90°F; January the coldest, with normal lows of 31°F. The most precipitation falls in April (6.35 in), the least in August (2.66 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 54°F | 31°F | 42.7°F | 5.36 | 9 | <1 | 16 | 10 h 10 min |
| February | 58°F | 34°F | 45.7°F | 5.83 | 8 | <1 | 13 | 11 h |
| March | 66°F | 42°F | 53.9°F | 5.78 | 8 | <1 | 6 | 12 h |
| April | 74°F | 49°F | 61.3°F | 6.35 | 7 | <1 | 1 | 13 h |
| May | 81°F | 59°F | 69.8°F | 4.65 | 8 | 1 | <1 | 13 h 50 min |
| June | 87°F | 65°F | 76.0°F | 3.27 | 8 | 13 | <1 | 14 h 20 min |
| July | 90°F | 69°F | 79.3°F | 4.74 | 9 | 19 | <1 | 14 h 10 min |
| August | 90°F | 68°F | 78.6°F | 2.66 | 7 | 20 | <1 | 13 h 20 min |
| September | 86°F | 61°F | 73.5°F | 3.77 | 6 | 8 | <1 | 12 h 30 min |
| October | 76°F | 49°F | 62.9°F | 4.11 | 6 | 1 | 1 | 11 h 20 min |
| November | 65°F | 39°F | 51.8°F | 4.09 | 8 | <1 | 8 | 10 h 30 min |
| December | 56°F | 33°F | 44.5°F | 5.94 | 9 | <1 | 15 | 10 h |
| Year (annual) | 74°F | 50°F | 61.7°F | 56.55 | 92 | 63 | 60 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 12°C | −1°C | 5.9°C | 136 mm |
| February | 14°C | 1°C | 7.6°C | 148 mm |
| March | 19°C | 5°C | 12.2°C | 147 mm |
| April | 23°C | 10°C | 16.3°C | 161 mm |
| May | 27°C | 15°C | 21.0°C | 118 mm |
| June | 31°C | 18°C | 24.4°C | 83 mm |
| July | 32°C | 20°C | 26.3°C | 120 mm |
| August | 32°C | 20°C | 25.9°C | 68 mm |
| September | 30°C | 16°C | 23.1°C | 96 mm |
| October | 25°C | 10°C | 17.2°C | 104 mm |
| November | 18°C | 4°C | 11.0°C | 104 mm |
| December | 13°C | 1°C | 6.9°C | 151 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Yazoo City (24 miles away), gets 0 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00225062; 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 Lexington?
Normal highs sit between 65°F and 85°F in March, April, May and October. Of those, October has the fewest days with rain (6).
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 USC00225062.
When is the last frost in Lexington?
In Lexington, the last spring frost (32°F) comes after March 31 in half of years and after April 17 in one year in ten; the first autumn frost comes before November 1 in half of years and before October 19 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 311 year in 10 after April 17; 9 in 10 after March 10
- First autumn frost, half of years before
- November 11 year in 10 before October 19; 9 in 10 before November 20
NOAA puts the median frost-free season at 218 days, and the season without a hard freeze (28°F) at 240 days.
A hard freeze (28°F) comes after March 16 in half of springs and before November 12 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Lexington in zone 8a in ZIP code 39095, the nearest ZIP area.
Frost dates for every NOAA station in Mississippi · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00225062; 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 Lexington?
In a normal year in Lexington, 63 days a year reach 90°F (2 of them 100°F or more), 60 nights fall to 32°F or colder and 92 days bring measurable precipitation.
- Days at 90°F or more
- 63a normal year
- Days at 100°F or more
- 2a normal year
- Nights at 32°F or colder
- 60a normal year
- Days that stay below freezing
- 1high of 32°F or less
- Days with 0.01 inch of precipitation
- 92a normal year
The highest temperature in this station's record (since 1954) is 107°F, on August 30, 2000; the lowest is −8°F, on January 12, 1962.
The wettest calendar year on that record is 2001, with 71.37 in; the snowiest season is 1967–68, with 12.2 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00225062; records: ACIS (NOAA Regional Climate Centers), station USC00225062. Records use complete months only; a month missing more than three days is left out.
How sunny is Lexington?
Over a year 78% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Lexington, 4.6 kWh per square metre a day. June is the sunniest month (84%) and February the cloudiest (66%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 69% | 2.6 |
| February | 66% | 3.1 |
| March | 72% | 4.3 |
| April | 77% | 5.5 |
| May | 80% | 6.2 |
| June | 84% | 6.7 |
| July | 84% | 6.4 |
| August | 84% | 5.8 |
| September | 83% | 5.1 |
| October | 80% | 4.1 |
| November | 77% | 3.0 |
| December | 69% | 2.3 |
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 Lexington need?
A normal year in Lexington brings 2,966 heating degree days, 45% fewer than the median U.S. place (5,373), and 1,786 cooling degree days, 97% 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 5,163 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 692 | 1 |
| February | 543 | 2 |
| March | 357 | 13 |
| April | 159 | 48 |
| May | 28 | 178 |
| June | 1 | 331 |
| July | 0 | 443 |
| August | 0 | 422 |
| September | 9 | 266 |
| October | 138 | 73 |
| November | 404 | 8 |
| December | 636 | 2 |
| Year (annual) | 2,966 | 1,786 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00225062. 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 Lexington's climate compare?
Lexington is warmer than 14 of the other 80 places with their own NOAA record in Mississippi, and wetter than 12. Across the 7,247 U.S. stations with normals, its annual mean of 61.7°F is warmer than 79%.
In the Köppen classification computed from these normals, Lexington 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 Lexington 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.
- Durant, MS1,973 people · 12 mi E
- Tchula, MS1,648 people · 11 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 Lexington's climate
What is the coldest month in Lexington?
January, with a normal high of 54°F and a normal low of 31°F. The warmest is July (90°F by day, 69°F at night).
Does it snow in Lexington?
Rarely. NOAA publishes no 1991-2020 snowfall normal for Lexington's NOAA station; the nearest record that keeps one, Yazoo City (24 miles away), records 0 inches of snow in a normal year.
What is the rainiest month in Lexington?
April, with 6.35 in of precipitation in a normal year; the driest is August with 2.66 in.
What plant hardiness zone is Lexington in?
The USDA's 2023 map puts Lexington in zone 8a in ZIP code 39095, the nearest ZIP area.
How late can frost come in Lexington?
In half of years the last 32°F night comes after March 31; in one year in ten it comes after April 17. Waiting until April 17 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Mississippi climateThe statewide normals and every place in the state
- Pickens, MS17 miles from this station, 63.5°F a year
- Yazoo City, MS24 miles from this station, 67.6°F a year
- Belzoni, MS25 miles from this station, 64.4°F a year
- Greenwood, MS26 miles from this station, 64.0°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made