Hanover weather in January: Hanover, Pennsylvania: normal highs, lows, rain and records for January

Hanover in January has a normal high of 39°F and a normal low of 21°F, a daily mean of 30°F, holding near 39°F all month. Measurable precipitation falls on 10 days in a normal January, 3.02 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 4°C and low of −6°C, 77 mm of precipitation and 20 cm of snow in January.

  • NOAA stationHanover (4 mi SW)
  • Station IDUSC00363665
  • Location39.77°N 77.03°W
  • Elevation558 ft (170 m)
  • From the center4 miles
  • Population16,728
  1. Jan 39° 21°
  2. Feb 42° 23°
  3. Mar 50° 30°
  4. Apr 63° 40°
  5. May 72° 50°
  6. Jun 81° 60°
  7. Jul 85° 64°
  8. Aug 84° 62°
  9. Sep 77° 54°
  10. Oct 66° 43°
  11. Nov 54° 33°
  12. Dec 44° 26°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Hanover in January?

The normal high is 39°F and the normal low 21°F, for a daily mean of 30.2°F. January is 4.5°F cooler than December and 2.2°F cooler than February. January is the 12th warmest month of the year in Hanover and the 11th wettest. From one year to the next January's mean temperature typically moves about 4.5°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 26°F and 35°F.

Hanover in January, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 34%).

Normal high and low on five days of January, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
January 140°F23°F32%18%
January 839°F22°F33%19%
January 1539°F21°F33%19%
January 2239°F21°F33%19%
January 3140°F21°F33%20%
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 1, coldest night January 25)
Hanover: NOAA 1991-2020 daily normals for each day of January
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
January 140°F23°F32%18%9 h 20 min
January 240°F23°F32%18%9 h 20 min
January 340°F23°F33%18%9 h 30 min
January 440°F22°F33%18%9 h 30 min
January 540°F22°F33%18%9 h 30 min
January 640°F22°F33%18%9 h 30 min
January 740°F22°F33%18%9 h 30 min
January 839°F22°F33%19%9 h 30 min
January 939°F22°F33%19%9 h 30 min
January 1039°F22°F33%19%9 h 30 min
January 1139°F22°F33%19%9 h 30 min
January 1239°F21°F33%19%9 h 30 min
January 1339°F21°F33%19%9 h 40 min
January 1439°F21°F33%19%9 h 40 min
January 1539°F21°F33%19%9 h 40 min
January 1639°F21°F33%19%9 h 40 min
January 1739°F21°F33%19%9 h 40 min
January 1839°F21°F33%19%9 h 40 min
January 1939°F21°F33%19%9 h 40 min
January 2039°F21°F33%19%9 h 50 min
January 2139°F21°F33%19%9 h 50 min
January 2239°F21°F33%19%9 h 50 min
January 2339°F21°F33%19%9 h 50 min
January 2439°F21°F34%20%9 h 50 min
January 2539°F20°F34%20%10 h
January 2639°F20°F34%20%10 h
January 2739°F20°F33%20%10 h
January 2839°F21°F33%20%10 h
January 2939°F21°F33%20%10 h
January 3040°F21°F33%20%10 h
January 3140°F21°F33%20%10 h 10 min
Normal high
39°FJanuary average
Normal low
21°FJanuary average
Precipitation
3.02 inmonth total
Days with precipitation
100.01 inch or more
Snowfall
8.0 inmonth total
Nights at 32°F or colder
27
Daylight
9 h 20 min to 10 h 10 minJanuary 1 to January 31
Sunshine
65%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00363665; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain or snow in Hanover in January?

On a given January day the chance of 0.01 inch or more is 33% on average, highest around January 24 (34%). In all, 3.02 in falls on 10 days of a normal January, 1 of them with an inch or more.

In a normal January in Hanover, 27 nights fall to freezing, 9 days stay below freezing all day and snowfall averages 8.0 inches.

Snow falls on 4 days in a normal January, and an inch or more covers the ground on 10 days.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00363665.

What are the records for January in Hanover?

The warmest January temperature on this station's record (since 1993) is 70°F, on January 30, 2002; the coldest is −14°F, on January 19, 1994. The wettest January brought 5.97 in (1998); the snowiest, 33.0 inches (1996).

The January mean against the 1991-2020 normal of 30.2°F: 2021 33.0°F (+2.8). 1 of 1 ran warmer than normal.

Hanover: January in recent years against the 1991-2020 normal
JanuaryMeanAgainst normalPrecip.
202133.0°F+2.8°F1.39 in

Source: records: ACIS, station USC00363665; recent months: ACIS, station USC00363665. Records and recent months use complete months only.

How does January in Hanover compare across Pennsylvania?

Across the 108 places PlainClimate covers in Pennsylvania, January normal highs run from 29°F in Laporte to 43°F in Marcus Hook; Hanover's is 39°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places