Gettysburg, PA weather in January
In January, Gettysburg sees highs around 38°F and lows around 22°F: cold, with frequent rain and some snow. Expect about 10 wet days. Snowfall averages about 8.7 in. It is one of the coldest months in Gettysburg.
- Normal high
- 38°F
- Normal low
- 22°F
- Wet days
- 10
- 3.5 in total
- Snowfall
- 8.7 in
- snow on the ground 11 days
How January changes from start to finish
| January 1 | January 31 | |
|---|---|---|
| Normal high | 39°F | 39°F |
| Normal low | 23°F | 21°F |
| Chance of a wet day | 33% | 33% |
| Sunrise / sunset | 7:30 am / 4:54 pm | 7:17 am / 5:26 pm |
| Daylight | 9.4 h | 10.2 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 January day
- 6 am29°Fdew point 21°F
- 9 am31°Fdew point 21°F
- Noon37°Fdew point 22°F
- 3 pm39°Fdew point 22°F
- 6 pm35°Fdew point 21°F
- 9 pm32°Fdew point 21°F
NOAA hourly normals (local standard time) from Martinsburg E Wv Rgnl Airport (50 mi away); average wind 7 mph; clear or few clouds in 48% of daytime hours, mostly cloudy or overcast in 47%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow10 of 31
- Notable rainat least 0.10 in7 of 31
- Freezing nightslow 32°F or below26 of 31
- Snow on the groundsnow depth 1 in or more11 of 31
Average days per January, counted from daily records for each year 1991-2020.
Rain and snow in January
Normal precipitation is 3.5 in; a dry January brings about 2.3 in and a wet one about 4.4 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 8.7 in, with about 3 days of an inch or more.
How January varies from year to year
- Warmest January, 1991-20202006: average high 47°F
- Coolest January1994: average high 30°F
- Wettest January1996: 8.0 in
- Driest January2008: 1.5 in
- Highest reading71°F (January 30, 2002)
- Lowest reading-18°F (January 20, 1994)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
January compared with December and February
| December | January | February | |
|---|---|---|---|
| Normal high | 43°F | 38°F | 41°F |
| Normal low | 27°F | 22°F | 23°F |
| Wet days | 10 | 10 | 9 |
| Comfortable days | 1 | 0 | 1 |
| Daylight | 9.4 h | 9.7 h | 10.7 h |
Highs change by -5°F from December and +3°F into February.
Nearby alternatives in January
- Warmer: Baltimore, MD50 mi · high 43°F · 10 wet days
- Cooler: Buffalo, NY228 mi · high 32°F · 19 wet days
How Gettysburg ranks in January
- Normal high275th warmest of 378 cities; 3rd of 4 in Pennsylvania
- Wet days228th driest of 378
- Comfortable days232nd most of 339
What to pack for Gettysburg in January
- A warm jacket – lows near 22°F, highs near 38°F
- A rain jacket or umbrella – rain or snow on about 10 days
- Waterproof boots – snow on the ground on about 11 days
- A hat and gloves – about 26 freezing nights
Heating and cooling
January has 1090 heating degree days and 0 cooling degree days (base 65°F), 17% of the year's total heating and cooling demand.
Questions
How cold is Gettysburg in January?
The normal high is 38°F and the normal low is 22°F. From 1991 to 2020 the coldest January reading was -18°F (most recently on January 20, 1994).
Does it rain a lot in Gettysburg in January?
About 10 days in January have at least 0.01 in of precipitation, and the normal total is 3.5 in. The wettest January in 1991-2020 was in 1996 (8.0 in); the driest was in 2008 (1.5 in).
Does it snow in Gettysburg in January?
Yes. Normal snowfall in January is 8.7 in, and snow covers the ground on about 11 days.
Is January a good time to visit Gettysburg?
January ranks 12th of 12 months on our comfort score for Gettysburg (29 out of 100). It has almost no 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.