Climateby Month

Gettysburg, PA weather in October

NOAA 1991-2020 normals and daily records · Gettysburg all year

October in Gettysburg: cool, with some rain. Highs 65°F, lows 44°F, about 9 wet days. A good month for most outdoor plans.

Normal high
65°F
Normal low
44°F
Wet days
9
3.9 in total
Muggy days
1
dew point 65°F+

How October changes from start to finish

Normal values at the start and end of October
October 1October 31
Normal high71°F59°F
Normal low50°F39°F
Chance of a wet day32%30%
Sunrise / sunset7:05 am / 6:51 pm7:36 am / 6:08 pm
Daylight11.8 h10.5 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).

A typical October day

  1. 6 am48°Fdew point 43°F
  2. 9 am55°Fdew point 46°F
  3. Noon63°Fdew point 46°F
  4. 3 pm65°Fdew point 45°F
  5. 6 pm59°Fdew point 46°F
  6. 9 pm54°Fdew point 45°F

NOAA hourly normals (local standard time) from Martinsburg E Wv Rgnl Airport (50 mi away); average wind 5 mph; clear or few clouds in 57% of daytime hours, mostly cloudy or overcast in 36%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F13 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Muggy daysdaily mean dew point 65°F or more1 of 31
  • Wet daysat least 0.01 in of rain or melted snow9 of 31
  • Notable rainat least 0.10 in6 of 31
  • Freezing nightslow 32°F or below3 of 31
  • Snow on the groundsnow depth 1 in or more0 of 31

Average days per October, counted from daily records for each year 1991-2020.

Rain and snow in October

Normal precipitation is 3.9 in; a dry October brings about 2.2 in and a wet one about 5.9 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 0.2 in.

How October varies from year to year

  • Warmest October, 1991-20202007: average high 72°F
  • Coolest October1992: average high 60°F
  • Wettest October2013: 7.8 in
  • Driest October1994: 0.7 in
  • Highest reading93°F (October 3, 2019)
  • Lowest reading22°F (October 20, 1992)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

October compared with September and November

SeptemberOctoberNovember
Normal high77°F65°F53°F
Normal low56°F44°F35°F
Wet days1099
Comfortable days13134
Daylight12.4 h11.1 h10.0 h

Highs change by -12°F from September and -12°F into November.

Nearby alternatives in October

How Gettysburg ranks in October

  • Normal high247th warmest of 378 cities; 3rd of 4 in Pennsylvania
  • Wet days262nd driest of 378
  • Comfortable days134th most of 340

What to pack for Gettysburg in October

  • A rain jacket or umbrella – rain on about 9 days

Frost in October

The first fall frost typically comes around Oct 27; in 1 year in 10 it comes before Oct 11. All frost dates for Gettysburg.

Heating and cooling

October has 340 heating degree days and 15 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.

Questions

How cold is Gettysburg in October?

The normal high is 65°F and the normal low is 44°F. From 1991 to 2020 the coldest October reading was 22°F (October 20, 1992).

Does it rain a lot in Gettysburg in October?

About 9 days in October have at least 0.01 in of precipitation, and the normal total is 3.9 in. The wettest October in 1991-2020 was in 2013 (7.8 in); the driest was in 1994 (0.7 in).

Does it snow in Gettysburg in October?

Yes. Normal snowfall in October is 0.2 in.

Is October a good time to visit Gettysburg?

October ranks 5th of 12 months on our comfort score for Gettysburg (62 out of 100). It has about 13 comfortable days. The best month is May.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth and frost dates: Biglerville (USC00360656), 7.3 mi N of the city center, 720 ft (183 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour and cloud cover: Martinsburg E Wv Rgnl Airport (USW00013734), 50 mi SW of the city center, 534 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Capital City Airport (725118-14751), 33 mi NE of the city center, 335 ft (202 ft lower than the city). Hourly observations, 1991-2020.