Gettysburg

Check the current weather in Gettysburg right now! Below are the latest weather reports, forecasts, and charts to help you plan your day.

The climate in Gettysburg, USA, is classified as humid continental with four distinct seasons. The city experiences significant temperature fluctuations throughout the year, which is typical for this climatic zone. Visitors should be prepared for various weather conditions depending on the timing of their trip.

Summers in Gettysburg are typically warm and humid, with peak temperatures in July, when the average high reaches about 30.4°C. In contrast, winters are cold, with average January temperatures around 1.1°C and overnight frosts. Spring and autumn are transitional seasons with milder and more changeable weather. Temperatures gradually rise in spring, while autumn brings cooler air and colorful landscapes.

Precipitation in Gettysburg is distributed relatively evenly throughout the year, without a distinct dry or rainy season. Rainfall averages 3-4 mm per month, with the number of precipitation days ranging from 8 to 14 per month. This means that light rain is possible at any time of year, so travelers are recommended to carry an umbrella or raincoat.

The climate in Gettysburg is characterized by pronounced seasonal temperature changes. A significant range of temperatures is observed throughout the year. The hottest month is typically July, with average temperatures reaching 25.4°C and daytime highs averaging up to 30.4°C. Conversely, the coldest month is January, with an average temperature of 1.1°C and average nightly lows dropping to -2.4°C.

The summer months in Gettysburg, from June to August, bring warm and occasionally hot weather. In June, the average temperature is 22.1°C, gradually rising toward July. August remains warm, with an average temperature 24.0°C. Daytime temperatures during this period are comfortable for outdoor activities, though it can be quite sweltering during the peak of summer. Nights are generally warm, with average minimum temperatures ranging from 17.0°C in June to 20.5°C in July.

Winter in Gettysburg, covering December, January, and February, is quite chilly. Average temperatures during these months fluctuate from 1.1°C in January to 3.2°C in February. At night, temperatures regularly drop below freezing, especially in January (averaging -2.4°C) and December (-0.4°C). Daytime highs during the winter period usually remain low, ranging from 4.7°C to 7.5°C. It is worth noting that notable daily temperature fluctuations occur throughout the year, with the difference between daytime highs and nightly lows often reaching around 7-10°C.

The nature of precipitation in Gettysburg changes significantly depending on the time of year. During the winter months—January, February, and December—when average temperatures are near or below freezing (for example, the minimum temperature in January is -2.4°C), there is a high probability of snowfall or mixed precipitation like sleet. From early spring to late autumn—that is, from March to November—when air temperatures are significantly higher, precipitation falls primarily as rain.

In terms of precipitation frequency, August stands out as the month with the highest number of rainy days, averaging 14. In contrast, November has the fewest, with about 8 days. Although the total monthly precipitation in Gettysburg does not fluctuate significantly, remaining within the 3-4 mm range, months like April, July, August, and September receive slightly more moisture (4 mm). This likely results in more frequent but generally light precipitation. During the other months of the year, there is about 3 mm of precipitation.

When planning a trip to Gettysburg, your first priority should be comfortable walking shoes, as exploring the many historical sites involves a lot of walking. Since Gettysburg sees between 8 and 14 days of precipitation each month (despite a low overall amount of 3-4 mm), a lightweight umbrella or a compact raincoat will be your reliable companions year-round. The key to staying comfortable in any weather is layering your clothes, which allows you to easily adapt to temperature changes throughout the day.

In winter (December–February), average temperatures hover around 1-3°C, with nighttime temperatures dropping below freezing (down to -2.4°C). Therefore, you should definitely pack warm items: sweaters, fleece clothing, a winter jacket, as well as a hat, gloves, and a scarf. Summer (June–August) in Gettysburg is warm and sometimes hot, with average temperatures between 22-25°C and peaks reaching 30°C and above. For this season, choose light, breathable clothing—T-shirts, shorts, and sundresses. Don't forget sunscreen, sunglasses, and a hat to protect yourself from the strong summer sun.

Spring (March–May) and autumn (September–November) are transitional seasons with changeable weather. In spring, the temperature gradually rises: from an average of 6.7°C in March to a comfortable 17.6°C in May. In autumn, there is a gradual cooling: from around 20°C in September to 7.5°C in November. During these periods, a mid-season jacket or windbreaker, along with a sweater or cardigan that is easy to put on or take off, will be especially useful. And remember your umbrella or raincoat—they will come in handy during the shoulder seasons as well, helping you stay comfortable while touring the iconic sites of Gettysburg.