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

Depending on the time of the year, temperatures range from very warm to chilly in Carlisle. Average daytime temperatures reach a very warm 30°C (86°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 3°C (37°F).

At night, temperatures range from around 18°C (64°F) in July to -6°C (21°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Carlisle has a relatively rain/snowy climate with high precipitation levels, averaging 1192 mm (47 in) of rain/snowfall annually. Carlisle experiences moderate seasonal variation in rainfall, with monthly averages ranging from 130 mm (5.1 in) in October, the wettest month, and 67 mm (2.6 in) in February, the driest month. For more details, please visit our Carlisle Precipitation page.

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

The average number of days each month with precipitation

Carlisle can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.3 hours of sunshine daily. In contrast, the city experiences much darker days in December, 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

The relative humidity is high throughout the year in Carlisle.

The city experiences its highest humidity in September, reaching 73%. In April, the humidity drops to its lowest level at 59%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year