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Best time to visit Gettysburg, PA, USA

Our verdict

The best time to visit Gettysburg is October

If you’re looking to travel to Gettysburg for your next trip but aren’t sure when to go and when to avoid, this article is all you’ll need. The best time to visit Gettysburg is October due to the excellent all-round weather conditions, and it’s also not during the height of peak travel periods, so it’s not likely to be as busy.

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.

Warmest month

July

Least rainfall

February

Most daylight

July

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:

SeasonMonths
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:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

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
15 days
of pure sunshine
7 days
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.


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
15 days
of pure sunshine
7 days
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.


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
15 days
of pure sunshine
13 days
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.


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
14 days
of pure sunshine
14 days
of showers or rain

What to pack: If you’re heading to Gettysburg in April, make sure you pack a warm jacket or coat.


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
10 days
of pure sunshine
18 days
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.


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
12 days
of pure sunshine
15 days
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.


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
13 days
of pure sunshine
15 days
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.


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
15 days
of pure sunshine
13 days
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.


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
15 days
of pure sunshine
12 days
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
17 days
of pure sunshine
12 days
of showers or rain

What to pack: If you’re heading to Gettysburg in October, make sure you pack a warm jacket or coat.


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
19 days
of pure sunshine
8 days
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.


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
16 days
of pure sunshine
9 days
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.


Top FAQs

The hottest month of the year in Gettysburg is usually July, where temperatures tend to rise to around 27℃ (80℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Gettysburg is generally around February. The dry season often coincides with cooler weather, so you should check the temperatures in February first to make sure it’s still a good time to go.
The rainiest time of year in Gettysburg is generally around May, although the wetter season can sometimes extend a few months either side of May too.
If you want to get the most out of your time visiting Gettysburg, or if you're just afraid of the dark, the days in July are usually the longest between sunrise and sunset.

Gettysburg map