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Lexington climate

Typical historical weather for Lexington, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.

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LexingtonUnited States11:36 PM localChange location

Annual average

18.4°C

across all months

Warmest month

32.1°C

Jul average high

Coolest month

4°C

Jan average low

Annual rainfall

1186mm

total per year

Lexington is typically hottest in July and coolest in January, a swing of about 28.1°C across the year. About 34% of annual rainfall falls in the three wettest months (August is typically wettest, November driest).

Monthly averages

Average daily high/low temperature (band) and monthly rainfall (bars).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high Avg low Rainfall
MonthAvg highAvg lowRainfallWet daysHumidityWindCloudSolar
Jan13.1°C · record 18.2°C25.3°C4°C · record -7.4°C-1.3°C96mm1068%3.3 m/s52%2.8 kWh/m²
Feb16.5°C · record 22.6°C26.1°C6.6°C · record -4°C0.4°C83mm968%3.3 m/s58%3.2 kWh/m²
Mar19.5°C · record 25.3°C28.3°C9.3°C · record -2.5°C2.9°C91mm962%3.4 m/s56%4.5 kWh/m²
Apr23.4°C · record 27.7°C30.9°C13°C · record 1.4°C6.8°C97mm863%3.4 m/s50%5.8 kWh/m²
May27°C · record 30.4°C35.7°C17.9°C · record 7.9°C14.2°C108mm1169%2.9 m/s58%5.9 kWh/m²
Jun30.3°C · record 31.8°C37°C21.8°C · record 12°C20.2°C84mm1271%2.6 m/s60%6.2 kWh/m²
Jul32.1°C · record 33.6°C37.7°C23.9°C · record 18.5°C22.7°C136mm1774%2.4 m/s60%6.1 kWh/m²
Aug30.8°C · record 33.7°C37.3°C23°C · record 16.5°C22.5°C150mm1677%2.3 m/s60%5.3 kWh/m²
Sep29°C · record 31.5°C35.9°C20.3°C · record 11.4°C20.6°C86mm974%2.6 m/s48%4.9 kWh/m²
Oct24.3°C · record 27.1°C35.8°C14.4°C · record 2.4°C9°C71mm773%2.8 m/s42%4 kWh/m²
Nov18.6°C · record 23.4°C27°C8.5°C · record -2.2°C2.5°C71mm870%2.9 m/s47%3 kWh/m²
Dec14.5°C · record 20.5°C25.4°C5.6°C · record -9.9°C1.3°C113mm1072%3 m/s56%2.3 kWh/m²

"Avg high"/"Avg low" is the mean daily high/low for that month, averaged across every year on file. The "record" figure alongside it is a different statistic — the single hottest (or coldest) hour ever recorded during that month across all years — so it can sit above or below the average and does not describe the average's year-to-year spread. A "wet day" is any day with at least 1.0mm of rain.

Year to year

Annual average temperature, 2016–2025.

20162018202020222024

Across these 10 years, the annual average has moved by about -0.8°C per decade. That’s a short window for a reliable long-term climate trend — treat it as indicative, not definitive.

Annual rainfall has moved by about -54.83mm per decade over the same period.

2025 (the most recent year on file) averaged 18°C, below the 9-year baseline of 18.5°C by 1.74 standard deviations.

Typical extremes per year

Rainy days

123.8 days

≥1.0mm rain

Heavy rain days

15.2 days

≥20mm rain

Extreme heat days

0 days

daily high ≥40°C

Frost days

13.4 days

daily low ≤0°C

Averaged across 10 years on file. Thresholds match PastClimate's data pipeline definitions — see data & sources.

Records on file

Ranked across 10 years of data currently on file (2016–2025).

Hottest day

37.7°C

8 July 2016

2016 was 0.6 SD above the 9-year average that year

Coldest day

-9.9°C

24 December 2022

2022 was 1.16 SD below the 9-year average that year

Wettest day

118.6mm

7 November 2024

2024 was 1.05 SD below the 9-year average that year

Windiest day

9.7m/s

11 September 2017

2017 was 1.22 SD above the 9-year average that year

See the detail: Lexington on 7 November 2024.

Frequently asked questions about Lexington's climate

What is the hottest month in Lexington?

July is typically the warmest month in Lexington, with an average high of 32.1°C. January is typically the coolest, averaging 4°C overnight.

How much does it rain in Lexington?

Lexington gets about 1186mm of rain a year on average, with roughly 34% of it falling in the three wettest months (August is typically the wettest, November the driest).

How many extremely hot or cold days does Lexington have?

On average, Lexington sees about 0 day(s) a year at or above 40°C and about 13.4 day(s) at or below 0°C, based on 10 years of data.

Is Lexington getting warmer?

Across the 10 years on file (2016–2025), the annual average temperature has moved by about -0.78°C per decade. That's a short window for a reliable long-term climate trend — treat it as indicative, not definitive.

What is the hottest day on record for Lexington?

The hottest day on file is 8 July 2016 at 37.7°C, out of 10 year(s) searched.

Data & provenance

↓ Download monthly CSV
Data source & coverage — ERA5 reanalysis, 2016–2025 (10 years)details
Source
ERA5 reanalysis, accessed via the Copernicus Climate Change Service (C3S) Climate Data Store
Data type
Reanalysis — a physically consistent reconstruction combining a forecast model with historical observations, not a live station reading or a forecast
Coverage
2016–2025 (10 years) for United States
Location
Lexington — 34.000°, -81.250°, ERA5 grid cell center, 2.4 km from requested point
Time zone
America/New_York
What's shown here
Monthly and annual averages, and dated extreme-value records, derived from an hourly base record.
Spatial resolution
0.25° (~25 km) distributed grid — ERA5's native model resolution is finer; this is the publicly distributed regridded product
Version / refreshed
Methodology v2026.07 · data last refreshed December 31, 2025
Limitations
A model reconstruction, not a station observation — hyper-local extremes (a single storm cell, an urban heat pocket) can differ from a nearby gauge. See the full methodology.
Attribution
Generated using Copernicus Climate Change Service information

Cite this data

Plain text
PastClimate (2026-07-19). Historical climate data for Lexington, United States (34.00°N, 81.25°W), derived from ERA5 (Hersbach et al., 2023, Copernicus Climate Change Service). Retrieved from https://www.pastclimate.com/
APA
PastClimate. (2026). Historical climate data for Lexington, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 19, 2026, from https://www.pastclimate.com/
MLA
"Historical Climate Data for Lexington, United States." PastClimate, derived from ERA5 (Copernicus Climate Change Service), July 19, 2026, www.pastclimate.com.
BibTeX
@misc{pastclimate,
  author = {PastClimate},
  title = {Historical climate data for Lexington, United States},
  year = {2026},
  note = {Derived from ERA5 (Hersbach et al., 2023), Copernicus Climate Change Service. Accessed 2026-07-19},
  url = {https://www.pastclimate.com/}
}

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