Climate Insights for Gettysburg Municipal Airport

The climate in Gettysburg Municipal Airport is cool. The average annual temperature is 8°C and approximately 531mm of precipitation falls per year. July is the wettest month, receiving around 75mm of rainfall. Gettysburg Municipal Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to -12°C. Snowfall occurs from January to December, with around 73cm accumulating over the season.

Gettysburg Municipal Airport has a wide annual temperature range, spanning 42°C from the coldest to warmest months. The warmest month is July, when average highs reach 30°C and the mean temperature sits around 24°C. The coldest month is January, when overnight lows fall to -12°C and the daily average is -8°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 9°C shift in average temperatures.

Gettysburg Municipal Airport is a relatively dry area, receiving approximately 531mm of precipitation annually, which averages out to around 44mm per month. The wettest month is July, averaging 75mm of rainfall. August and June also tend to see above-average precipitation. The driest month is January, with just 10mm. That's 66mm less than July, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 73cm accumulating over the season. December typically sees the most snow at around 18cm.

Gettysburg Municipal Airport is moderately windy, with an average annual wind speed of 25km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 28km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 23km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months.

It is currently spring in Gettysburg Municipal Airport, which began on March 20, 2026. Gettysburg Municipal Airport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 30°C, while the coldest stretch bottoms out in January near -12°C. Summer is next, beginning on June 21, 2026 — 84 days from now.

The best time to visit Gettysburg Municipal Airport is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 67mm per month. By contrast, January can be quite cold with temperatures dropping to -12°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Gettysburg Municipal Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.