Our verdict
The best time to visit Gettysburg is October
The warmest month of the year in Gettysburg is July, where the average temperature gets to around 27℃ (80℉), but temperatures can reach as high as 30℃ (86℉) on the hottest days in summer. In the colder months such as January, temperatures usually get down to an average minimum of -6℃ (21℉).
The days are longest in Gettysburg in July, so if you want to see the sights during the day when the sun is up for the longest time, it’s best to visit around that time of year. The wet season in Gettysburg falls around May, so if you prefer the dryer weather, you should look to visit in February instead.
Keep reading to learn more about the best times to go to Gettysburg, including detailed weather information and tools to help you find and book great deals on your travel.
Quick links: Fast facts / Seasons / Average temperatures / Monthly climate / FAQs / Map
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Gettysburg seasons
Before you continue, it’s important to know when the seasons are in Gettysburg as they might be different to yours depending on where in the world you’re travelling from. Gettysburg is in the Northern Hemisphere, so the seasons fall during these months:
| Season | Months |
|---|---|
| Summer | June to August |
| Autumn/fall | September to November |
| Winter | December to February |
| Spring | March to May |
Average temperatures in Gettysburg
If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Gettysburg for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.
Gettysburg climate by month
If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Gettysburg for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.
Jump to:
Gettysburg in January
- Average temperature: -3℃ (26℉)
- Average high temperature: 0℃ (32℉)
- Average low temperature: -6℃ (21℉)
- Average humidity: 84%
- Average sunny days: 15 days
- Average rainfall: 31mm (1") over 7 days
- Average snow days: 11 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Gettysburg in January, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Gettysburg in February
- Average temperature: -1℃ (30℉)
- Average high temperature: 3℃ (37℉)
- Average low temperature: -5℃ (24℉)
- Average humidity: 83%
- Average sunny days: 15 days
- Average rainfall: 25mm (1") over 7 days
- Average snow days: 9 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Gettysburg in February, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Gettysburg in March
- Average temperature: 5℃ (40℉)
- Average high temperature: 9℃ (48℉)
- Average low temperature: 1℃ (33℉)
- Average humidity: 77%
- Average sunny days: 15 days
- Average rainfall: 40mm (2") over 13 days
- Average snow days: 4 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Gettysburg in March, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Gettysburg in April
- Average temperature: 11℃ (52℉)
- Average high temperature: 16℃ (60℉)
- Average low temperature: 6℃ (43℉)
- Average humidity: 77%
- Average sunny days: 14 days
- Average rainfall: 50mm (2") over 14 days
- Average snow days: 1 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Gettysburg in April, make sure you pack a warm jacket or coat.
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Gettysburg in May
- Average temperature: 17℃ (63℉)
- Average high temperature: 22℃ (71℉)
- Average low temperature: 12℃ (54℉)
- Average humidity: 79%
- Average sunny days: 10 days
- Average rainfall: 69mm (3") over 18 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Gettysburg in May, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.
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Gettysburg in June
- Average temperature: 21℃ (70℉)
- Average high temperature: 26℃ (78℉)
- Average low temperature: 16℃ (62℉)
- Average humidity: 80%
- Average sunny days: 12 days
- Average rainfall: 50mm (2") over 15 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Gettysburg in June, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Gettysburg in July
- Average temperature: 22℃ (72℉)
- Average high temperature: 27℃ (80℉)
- Average low temperature: 18℃ (64℉)
- Average humidity: 82%
- Average sunny days: 13 days
- Average rainfall: 41mm (2") over 15 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Gettysburg in July, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Gettysburg in August
- Average temperature: 21℃ (70℉)
- Average high temperature: 26℃ (79℉)
- Average low temperature: 17℃ (62℉)
- Average humidity: 81%
- Average sunny days: 15 days
- Average rainfall: 38mm (2") over 13 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Gettysburg in August, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Gettysburg in September
- Average temperature: 18℃ (65℉)
- Average high temperature: 23℃ (74℉)
- Average low temperature: 14℃ (56℉)
- Average humidity: 79%
- Average sunny days: 15 days
- Average rainfall: 33mm (1") over 12 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Gettysburg in September, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
Gettysburg in October
- Average temperature: 12℃ (54℉)
- Average high temperature: 17℃ (62℉)
- Average low temperature: 8℃ (46℉)
- Average humidity: 75%
- Average sunny days: 17 days
- Average rainfall: 34mm (1") over 12 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Gettysburg in October, make sure you pack a warm jacket or coat.
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Gettysburg in November
- Average temperature: 5℃ (42℉)
- Average high temperature: 9℃ (48℉)
- Average low temperature: 2℃ (35℉)
- Average humidity: 76%
- Average sunny days: 19 days
- Average rainfall: 28mm (1") over 8 days
- Average snow days: 2 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Gettysburg in November, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Gettysburg in December
- Average temperature: 1℃ (33℉)
- Average high temperature: 3℃ (38℉)
- Average low temperature: -2℃ (28℉)
- Average humidity: 83%
- Average sunny days: 16 days
- Average rainfall: 31mm (1") over 9 days
- Average snow days: 8 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Gettysburg in December, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
Add visitor or local insider tips >