Lancaster climate

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

Want today's actual conditions instead? See the current forecast for Lancaster.

Annual average

9.9°C

across all months

Warmest month

28.2°C

Jul average high

Coolest month

-9.5°C

Jan average low

Annual rainfall

989mm

total per year

Monthly averages

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

● Avg high● Avg low▮ Rainfall

Records on file

Hottest day

37.7°C

23 August 2023

Coldest day

-34°C

31 January 2019

Wettest day

66.7mm

18 July 2019

Windiest day

8.7m/s

26 November 2025