Lexington climate

Name: Lexington
Address: US

Lexington is warmest in July, with average highs of 30 °C, and coldest in January, when nights average -2.4 °C. May is the wettest month (123 mm) and August the driest (79 mm). Figures are 1991–2020 climate normals.

Across a full year Lexington averages 1,209 mm of rain, 120 days above 25 °C and 75 days below freezing.

United States · 295 m elevation · population 320,347 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month July 30 °C
Coldest month January -2.4 °C
Driest month August 79 mm
Wettest month May 123 mm
Least cloud September 47 % cloud
Hottest on record June 40 °C
Coldest on record January -31 °C

What to expectLexington through the year

Lexington has a clear annual cycle: average daily highs run from 5.8 °C in January to 30 °C in July, a swing of 23 °C in mean temperature across the year.

Counted across a normal year, 120 days a year reach 25 °C, 39 of them reach 30 °C, 75 nights drop below freezing. The warmest reading in the 1991–2020 record is 40 °C, in June.

Rain is spread fairly evenly through the year, from 79 mm in August to 123 mm in May. There is no dry season to aim for.

Month by month

Month	Avg high	Rainfall	Cloud
January	5.8 °C	93 mm	68 %
February	8.2 °C	97 mm	70 %
March	13.0 °C	113 mm	64 %
April	18.8 °C	121 mm	60 %
May	23.2 °C	123 mm	61 %
June	27.7 °C	109 mm	57 %
July	29.5 °C	106 mm	54 %
August	29.1 °C	79 mm	50 %
September	25.8 °C	90 mm	47 %
October	19.5 °C	85 mm	50 %
November	12.7 °C	87 mm	58 %
December	7.4 °C	107 mm	69 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C	Days below 0 °C
January	5.8 °C	-2.4 °C	1.0 °C	21.6 °C	-31.2 °C	0	0	21
February	8.2 °C	-1.1 °C	2.7 °C	24.2 °C	-28.9 °C	0	0	17
March	13.0 °C	2.8 °C	7.1 °C	27.3 °C	-21.3 °C	0	0	11
April	18.8 °C	8.1 °C	12.8 °C	28.5 °C	-4.7 °C	3	0	2
May	23.2 °C	13.4 °C	17.9 °C	32.6 °C	-1.6 °C	12	1	0
June	27.7 °C	17.9 °C	22.4 °C	40.2 °C	8.2 °C	24	8	0
July	29.5 °C	20.0 °C	24.4 °C	39.6 °C	12.7 °C	29	13	0
August	29.1 °C	19.4 °C	23.9 °C	38.8 °C	11.9 °C	29	12	0
September	25.8 °C	16.0 °C	20.4 °C	36.8 °C	5.1 °C	18	4	0
October	19.5 °C	10.0 °C	14.1 °C	33.3 °C	-1.1 °C	4	0	0
November	12.7 °C	4.2 °C	7.7 °C	26.2 °C	-13.2 °C	0	0	7
December	7.4 °C	-0.0 °C	3.1 °C	21.7 °C	-15.2 °C	0	0	17

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	93 mm	10	9.8 h/day	68 %	70 %	17 km/h
February	97 mm	10	11 h/day	70 %	69 %	17 km/h
March	113 mm	12	12 h/day	64 %	69 %	17 km/h
April	121 mm	12	13 h/day	60 %	70 %	17 km/h
May	123 mm	13	14 h/day	61 %	75 %	15 km/h
June	109 mm	13	15 h/day	57 %	73 %	13 km/h
July	106 mm	13	15 h/day	54 %	74 %	12 km/h
August	79 mm	10	14 h/day	50 %	72 %	11 km/h
September	90 mm	8	12 h/day	47 %	71 %	12 km/h
October	85 mm	9	11 h/day	50 %	71 %	14 km/h
November	87 mm	9	10 h/day	58 %	72 %	16 km/h
December	107 mm	11	9.6 h/day	69 %	74 %	16 km/h

How Lexington compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Lexington	30 °C	-2.4 °C	1,209 mm	120
Louisville · United States	31 °C	-2.4 °C	1,170 mm	131
Cincinnati · United States	29 °C	-4.2 °C	1,085 mm	112
Meads · United States	30 °C	-2.0 °C	1,158 mm	123
Knoxville · United States	30 °C	-0.10 °C	1,219 mm	132

Planning a trip? See the best time to visit Lexington.

QuestionsCommon questions about Lexington’s climate

When is the best time to visit Lexington?

That depends on what you want, so the honest answer is a comparison rather than a single month. May, June, September sit closest to 20 °C on average, July is the warmest month and August the driest. The month-by-month table above has the full picture.

How hot does Lexington get?

In July, the warmest month, daily highs average 30 °C. About 39 days a year pass 30 °C. The highest value in the 1991–2020 record is 40 °C.

How cold does it get in winter?

Nights average -2.4 °C in January, the coldest month. A normal year has 75 nights below freezing.

Which month is wettest in Lexington?

May, averaging 123 mm over 13 days with rain. The driest month is August with 79 mm. The year as a whole averages 1,209 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Lexington rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.