Chambersburg (PA) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Chambersburg.

Climate overview of Chambersburg

Chambersburg, Pennsylvania, United States of America, sees big temperature differences between seasons, with July peaking at 30°C (86°F) and February dropping to 4°C (39°F).

The city receives around 995 mm (39 in) of rain/snowfall per year. October is the wettest month and February the driest.

Chambersburg Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Chambersburg — and find the best time to visit.

Monthly Temperature in Chambersburg

Visitors to Chambersburg can expect significant temperature changes throughout the year. On average, daytime temperatures range from a very warm 30°C (86°F) in July to a chilly 4°C (39°F) in February.

Nighttime temperatures range from 18°C (64°F) in July to -5°C (23°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Chambersburg

Generally, Chambersburg experiences moderate precipitation patterns, averaging 995 mm (39 in) yearly. The amount of precipitation varies moderately throughout the year. The wettest month, October, sees around 110 mm (4.3 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, February, still receives a respectable 59 mm (2.3 in) of snow/rainfall. For more details, please visit our Chambersburg Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Best Time to Visit Chambersburg

During May, June, August, September and October, Chambersburg experiences its most favorable weather, with temperatures between 18°C (64°F) and 29°C (84°F). These mild conditions make it an excellent time for a visit.

The weather does bring rainfall during this period, between 78 mm (3.1 in) and 110 mm (4.3 in).

Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

Frequently asked questions about the climate in Chambersburg

What is the best time to visit Chambersburg?

August and September typically offer the most optimal weather in Chambersburg. In contrast, January, February and December tend to have less optimal conditions.

What temperatures can I expect in Chambersburg?

Daytime highs range from 4°C (39°F) in February to 30°C (86°F) in July. Nighttime lows range from -5°C (23°F) to 18°C (64°F). Temperatures vary considerably through the year.

How much rain does Chambersburg get?

Annual rainfall is around 995 mm (39 in). October is the wettest month with 110 mm (4.3 in), while February is the driest with 59 mm (2.3 in).

Chambersburg 3-Day Forecast

Chambersburg (PA) 3-Day Forecast

Chambersburg on the map

Chambersburg is highlighted — select any city to see its climate.

Popular this month

Where to go in July — average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.