Spring (March–May): Average 46–66°F, mild climate, moderate rainfall, suitable for outdoor activities. Common activities: Visiting Gettysburg National Military Park, hiking. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
Summer (June–August): Average 74–80°F, hot and humid, occasional showers. Common activities: Visiting museums, historical sites, relaxing in parks. Recommended clothing: Breathable short-sleeved clothing, shorts, sun hat.
Autumn (September–November): Average 48–69°F, pleasant climate, gradually decreasing rainfall. Common activities: Leaf peeping, outdoor excursions, visiting wineries. Recommended clothing: Comfortable long-sleeved shirts, light jacket.
Winter (December–February): Average 36–41°F, cold and dry, occasional snowfall. Common activities: Indoor sightseeing, museums, enjoying hot drinks. Recommended clothing: Warm coat, hat, scarf, gloves.
Weather in Gettysburg
Annual average temperature: approx. 57.2°F / Annual rainfall: approx. 863 mm / Summer humidity: 60%–70% / Rainiest month: September
Gettysburg weather by month
Month
Air temperature (°F)
Precipitation (mm)
January
36.7°F
88.5
February
41.2°F
52.1
March
46.9°F
84.7
April
57.2°F
83.3
May
66°F
62
June
74.8°F
65.1
July
80.1°F
81.6
August
75°F
68.3
September
69.4°F
92.1
October
58.3°F
39.9
November
48.9°F
55.8
December
39°F
90.2
7-day weather forecast for Gettysburg
10/27
Tuesday
Sunny
63.7°F/46.5°F
10/28
Wednesday
Overcast
64.1°F/44.1°F
10/29
Thursday
Sunny
70.2°F/46.2°F
10/30
Friday
Sunny
71.9°F/50.8°F
10/31
Saturday
Overcast
59.6°F/44.7°F
11/1
Sunday
Overcast
62°F/46.6°F
11/2
Monday
Light rain
61.5°F/55.8°F
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