Lexington climate — normals and trends
Lexington (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.4 °C and it receives 1,069 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (26.7 °C on average) and the coldest is January (7.5 °C). Rainfall peaks in July.
Lexington averages 22 frost days, 72 hot days (≥ 30 °C) and 120 rainy days per year.
Lexington has warmed by +1.1 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.1 °C (on 29 June 2012) and the coldest -15.4 °C (on 21 January 1985).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
LexingtonSouth Carolina
- coords
- 33.98°, -81.24°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.4°C
Average daily high
22.4°C
Average daily low
13.0°C
Annual rainfall
1,069mm
Sunshine / day
9.2h
Mean relative humidity
71%
Average peak wind
15.6km/h
Seasonal range
19.2°C
Frost days (< 0 °C)
22 d/yr
Hot days (≥ 30 °C)
72 d/yr
Rainy days (≥ 1 mm)
120 d/yr
Annual snowfall
4.3 cm
Average feels-like high
22.5 °C
Average feels-like low
12.2 °C
Average peak gust
33.0 km/h
Tropical nights (≥ 20 °C)
104 d/yr
Solar radiation
16.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.24 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
41.1 °C
29 June 2012
Coldest day
-15.4 °C
21 January 1985
Wettest day
149 mm
9 July 1959
Windiest day
62.8 km/h
22 September 1989
Strongest gust
140.4 km/h
22 September 1989
Hottest feels-like
45.1 °C
21 August 1983
Coldest feels-like
-21.1 °C
21 January 1985
Snowiest day
19.7 cm
10 February 1973
Sunniest day
14.0 h
19 June 2022
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 10.4 °C | -1.9 °C | 48 mm | -39 mm |
| Feb | 15.9 °C | +1.8 °C | 40 mm | -49 mm |
| Mar | 20.5 °C | +2.6 °C | 74 mm | -27 mm |
| Apr | 25.0 °C | +2.3 °C | 62 mm | -16 mm |
| May | 26.4 °C | -0.3 °C | 186 mm | +108 mm |
| Jun | 31.2 °C | +1.2 °C | 67 mm | -27 mm |
| Jul | 32.9 °C | +1.6 °C | 108 mm | -12 mm |
| Aug | 28.2 °C | -2.4 °C | 205 mm | +94 mm |
| Sep | 28.4 °C | +0.5 °C | 21 mm | -70 mm |
| Oct | 22.2 °C | -0.9 °C | 102 mm | +34 mm |
| Nov | 20.0 °C | +2.0 °C | 8 mm | -61 mm |
| Dec | 14.1 °C | +0.4 °C | 64 mm | -20 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Lexington?
Lexington has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.4 °C and it receives 1,069 mm of precipitation per year.
What is the hottest day ever recorded in Lexington?
The hottest day measured in Lexington between 1940 and 2025 was 29 June 2012, reaching 41.1 °C.
What is the coldest day in Lexington?
The coldest day measured in Lexington between 1940 and 2025 was 21 January 1985, at -15.4 °C.
Does it snow in Lexington?
Yes. Lexington gets on average 4.3 cm of snow per year and has around 22 frost days.
Has the climate of Lexington warmed?
Yes: Lexington warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Lexington?
The wettest day measured in Lexington between 1940 and 2025 was 9 July 1959, with 149 mm of rain in 24 hours.
What was the windiest day in Lexington?
The windiest day measured in Lexington between 1940 and 2025 was 22 September 1989, with winds reaching 62.8 km/h.
What is the warmest month in Lexington?
The warmest month in Lexington is July (26.7 °C on average); the coldest is January (7.5 °C).
How much does it rain in Lexington?
Lexington receives on average 1,069 mm of precipitation per year, spread over about 120 rainy days.
Is it sunny in Lexington?
Lexington gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.
What is the biggest single-day snowfall in Lexington?
The heaviest 24-hour snowfall measured in Lexington between 1940 and 2025 was 10 February 1973, with 19.7 cm.
Are there tropical nights in Lexington?
Yes: Lexington has on average 104 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Lexington?
In Lexington, between 1940 and 2025, the highest apparent temperature reached 45.1 °C on 21 August 1983, and the lowest was -21.1 °C on 21 January 1985.
Compare Lexington with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Lexington