Harrisburg climate

Typical historical weather for Harrisburg, 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 Harrisburg.

Annual average

15.1°C

across all months

Warmest month

31.2°C

Jul average high

Coolest month

-2.1°C

Jan average low

Annual rainfall

1251mm

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

37.6°C

25 August 2023

Coldest day

-21.2°C

23 December 2022

Wettest day

129.6mm

14 August 2023

Windiest day

7.8m/s

19 March 2025