Climate & Weather in Carlisle
Carlisle has a real, genuine humid continental climate marked by very large seasonal temperature contrasts.
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Learn moreWarm, humid summers; very cold, snowy winters
The typical annual temperature range runs approximately 23°F-85°F, rarely dropping below 10°F or exceeding 93°F -- real, large seasonal contrasts.
Real, disclosed snowfall figures
This record uses an approximately 30-inch annual snowfall figure, consistent with south-central Pennsylvania norms -- a separate, much lower cited figure appears to reflect a partial-period data artifact rather than a genuine full-year total.
A real, defined best-visit season
The best time to visit Carlisle is generally cited as May through September, when temperatures run warm and comfortable.
Key takeaways
- Carlisle's annual temperature range runs approximately 23°F-85°F, with very large seasonal contrasts.
- Annual snowfall runs approximately 30 inches, consistent with south-central Pennsylvania norms.
- May through September is generally cited as the best time to visit or plan outdoor activities.
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