Harrisburg (PA) Weather and Climate: A Comprehensive Guide
Harrisburg experiences great temperature shifts.
The city's weather can transition from warm days
to cold weather.
It also has a notably wet climate with much precipitation.
Now, let’s break down all the climate details for a clearer picture.
Average maximum day and minimum night temperature
The climate in Harrisburg is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 30°C in July, the warmest time of the year, to a chilly 3°C during cooler months like February.
At night, temperatures typically drop to an average of around -6°C during these months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Harrisburg has a notably wet climate with abundant precipitation, recording 1195 mm of rain/snowfall per year. While rainfall varies throughout the year, each season offers its own charm. June brings wetter days averaging 135 mm of precipitation, spread over 14 rainy days. In contrast, November experiences a drier climate, with about 65 mm of rainfall spread across 9 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Harrisburg. While July receives considerable daily sunshine with up to 10.3 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.2 hours of sunlight per day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in Harrisburg.
The city experiences its highest humidity in September, reaching 73%. In April, the humidity drops to its lowest level at 59%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
clear and no rain partly cloudy and no rain broken clouds and slight snowForecast for Harrisburg (PA)
5 m/s
4 m/s
3 m/s
The best time of year to visit Harrisburg in the United States of America
During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
July has an average maximum temperature of 30°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 3°C.
June tops the wettest month list with 135 mm of rainfall.
November is the driest month with 65 mm of precipitation.
July is the sunniest month with an average of 310 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
