Gettysburg, PA Weather & Climate Normals
What a normal year in Gettysburg actually looks like
On the 30-year record NOAA keeps for Gettysburg, PA, the comfort score comes out to 50/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much Gettysburg's weather actually swings
Average temperatures in Gettysburg run from 30°F in Jan up to 75°F in Jul, a 44.3°F seasonal swing, a middling gap by national standards.
Gettysburg, month by month
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 40°F | 21°F | 3.45in |
| Feb | 43°F | 22°F | 2.73in |
| Mar | 52°F | 30°F | 3.59in |
| Apr | 64°F | 40°F | 3.42in |
| May | 73°F | 49°F | 4.09in |
| Jun | 82°F | 57°F | 4.74in |
| Jul | 86°F | 63°F | 3.61in |
| Aug | 85°F | 61°F | 4.13in |
| Sep | 78°F | 54°F | 4.63in |
| Oct | 66°F | 43°F | 3.71in |
| Nov | 56°F | 32°F | 3.02in |
| Dec | 45°F | 26°F | 3.34in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Gettysburg's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Gettysburg actually gets
Gettysburg averages 44.46in of precipitation a year across roughly 105 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Gettysburg against the rest of the country
Out of 4876 cities scored here, Gettysburg comes in at 1862; within PA alone it ranks 33 of 193. Population is about 8,647.
Checking the actual forecast
These figures come from Eisenhower Nhs, PA US, the NOAA station 1.8 miles from Gettysburg, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is