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

Altoona in January has a normal high of 36°F and a normal low of 21°F, a daily mean of 28°F, holding near 36°F all month. Measurable precipitation falls on 11 days in a normal January, 2.23 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 2°C and low of −6°C, 57 mm of precipitation in January.

  • NOAA stationAltoona Blair County Airport
  • Station IDUSW00014736
  • Location40.30°N 78.32°W
  • Elevation1,480 ft (451 m)
  • From the center15 miles
  • Population42,719
  1. Jan 36° 21°
  2. Feb 39° 23°
  3. Mar 48° 30°
  4. Apr 61° 40°
  5. May 71° 50°
  6. Jun 79° 58°
  7. Jul 83° 62°
  8. Aug 81° 60°
  9. Sep 74° 53°
  10. Oct 63° 43°
  11. Nov 51° 34°
  12. Dec 40° 26°

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

How warm is Altoona in January?

The normal high is 36°F and the normal low 21°F, for a daily mean of 28.4°F. January is 4.7°F cooler than December and 2.3°F cooler than February. January is the 12th warmest month of the year in Altoona and the 11th wettest. Across the month the normal high falls 1°F, from 37°F on January 1 to 36°F on January 31. From one year to the next January's mean temperature typically moves about 4.7°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 24°F and 33°F.

Altoona 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 36%).

Normal high and low on five days of January, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
January 137°F23°F35%19%
January 836°F22°F36%18%
January 1535°F21°F36%18%
January 2235°F21°F35%18%
January 3136°F21°F34%17%
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 1, coldest night January 22)
Altoona: NOAA 1991-2020 daily normals for each day of January
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
January 137°F23°F35%19%9 h 20 min
January 236°F23°F35%19%9 h 20 min
January 336°F23°F35%19%9 h 20 min
January 436°F23°F36%19%9 h 20 min
January 536°F22°F36%19%9 h 20 min
January 636°F22°F36%19%9 h 20 min
January 736°F22°F36%18%9 h 30 min
January 836°F22°F36%18%9 h 30 min
January 936°F22°F36%18%9 h 30 min
January 1036°F22°F36%18%9 h 30 min
January 1135°F22°F36%18%9 h 30 min
January 1235°F21°F36%18%9 h 30 min
January 1335°F21°F36%18%9 h 30 min
January 1435°F21°F36%18%9 h 30 min
January 1535°F21°F36%18%9 h 40 min
January 1635°F21°F36%18%9 h 40 min
January 1735°F21°F36%18%9 h 40 min
January 1835°F21°F36%18%9 h 40 min
January 1935°F21°F36%18%9 h 40 min
January 2035°F21°F35%18%9 h 40 min
January 2135°F21°F35%18%9 h 50 min
January 2235°F21°F35%18%9 h 50 min
January 2335°F21°F35%18%9 h 50 min
January 2435°F21°F35%18%9 h 50 min
January 2535°F21°F35%18%9 h 50 min
January 2635°F21°F35%18%9 h 50 min
January 2735°F21°F35%18%10 h
January 2836°F21°F35%17%10 h
January 2936°F21°F34%17%10 h
January 3036°F21°F34%17%10 h
January 3136°F21°F34%17%10 h
Normal high
36°FJanuary average
Normal low
21°FJanuary average
Precipitation
2.23 inmonth total
Days with precipitation
110.01 inch or more
Nights at 32°F or colder
26
Daylight
9 h 20 min to 10 hJanuary 1 to January 31
Sunshine
56%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00014736; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Altoona in January?

On a given January day the chance of 0.01 inch or more is 35% on average, highest around January 9 (36%). In all, 2.23 in falls on 11 days of a normal January.

In a normal January in Altoona, 26 nights fall to freezing and 13 days stay below freezing all day.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014736.

How humid and windy is Altoona in January?

At 3 p.m. the normal temperature is 33°F with 58% relative humidity and a dew point of 20°F; at 6 a.m. it is 25°F with 74% humidity. The wind averages 8.9 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.

A normal January day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.25°F18°F74%7.8 mph–
9 a.m.26°F19°F73%8.3 mph31%
noon31°F20°F63%10.3 mph–
3 p.m.33°F20°F58%10.8 mph39%
6 p.m.30°F20°F64%9.2 mph37%
9 p.m.28°F19°F67%8.8 mph42%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00014736. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for January in Altoona?

The warmest January temperature on this station's record (since 1948) is 74°F, on January 25, 1950; the coldest is −25°F, on January 19, 1994. The wettest January brought 6.91 in (1978); the snowiest, 40.3 inches (1978).

The January mean against the 1991-2020 normal of 28.4°F: 2021 30.6°F (+2.3), 2022 24.5°F (−3.9), 2023 37.3°F (+8.9), 2024 31.3°F (+2.9), 2025 23.6°F (−4.8), 2026 23.1°F (−5.3). 3 of 6 ran warmer than normal.

Altoona: January in recent years against the 1991-2020 normal
JanuaryMeanAgainst normalPrecip.
202130.6°F+2.3°F1.65 in
202224.5°F−3.9°F1.86 in
202337.3°F+8.9°F3.47 in
202431.3°F+2.9°F4.84 in
202523.6°F−4.8°F0.95 in
202623.1°F−5.3°F1.71 in

Source: records: ACIS, station USW00014736; recent months: ACIS, station USW00014736. Records and recent months use complete months only.

How does January in Altoona 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; Altoona's is 36°F.

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

Other months and places