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

17.1°C

across all months

Warmest month

32.2°C

Jul average high

Coolest month

0.3°C

Jan average low

Annual rainfall

1378mm

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

38°C

8 July 2022

Coldest day

-19.9°C

16 February 2021

Wettest day

134.1mm

5 April 2025

Windiest day

9.3m/s

19 March 2025