Gettysburg (PA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Gettysburg.
Climate overview of Gettysburg
Gettysburg, 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 considerable rain/snowfall, with around 1141 mm (45 in) annually. October is the wettest month. Sunshine peaks in July, when the city sees around 10.3 hours of sunshine per day.
Gettysburg Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Gettysburg — and find the best time to visit.
Monthly Temperature in Gettysburg
Visitors to Gettysburg can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a very warm 30°C (86°F) in July to a chilly 4°C (39°F) in the coolest month, February.
Nights vary from 18°C (64°F) in July to around -6°C (21°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Gettysburg
Gettysburg is known for its substantial rain/snowfall, with annual precipitation reaching 1141 mm (45 in). Gettysburg offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month October (125 mm (4.9 in)) and the driest month November (70 mm (2.8 in)) is not too significant. For more details, please visit our Gettysburg Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Gettysburg
For those who appreciate different seasons, Gettysburg serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.3 hours of sunshine daily, and embrace the darker days in December, offering only 4.2 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Gettysburg by Month
The relative humidity is high throughout the year in Gettysburg.
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
Best Time to Visit Gettysburg
The weather does bring rainfall during this period, between 95 mm (3.7 in) and 125 mm (4.9 in). Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.
Frequently asked questions about the climate in Gettysburg
What is the best time to visit Gettysburg?
August typically offers the most optimal weather in Gettysburg. In contrast, January, February and December tend to have less optimal conditions.
What temperatures can I expect in Gettysburg?
Daytime highs range from 4°C (39°F) in February to 30°C (86°F) in July. Nighttime lows range from -6°C (21°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Gettysburg get?
Annual rainfall is around 1141 mm (45 in). October is the wettest month with 125 mm (4.9 in), while November is the driest with 70 mm (2.8 in).
How sunny is Gettysburg?
Gettysburg receives around 2,609 hours of sunshine per year. July is the sunniest month with 310 hours, while December is the cloudiest with just 126 hours. Overall, Gettysburg enjoys abundant sunshine.
Gettysburg 3-Day Forecast
Gettysburg (PA) 3-Day Forecast
Gettysburg on the map
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