West Lafayette weather in January: West Lafayette, Indiana: normal highs, lows, rain and records for January

West Lafayette in January has a normal high of 32°F and a normal low of 16°F, a daily mean of 24°F, holding near 32°F all month. Measurable precipitation falls on 9 days in a normal January, 2.21 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 0°C and low of −9°C, 56 mm of precipitation and 15 cm of snow in January.

  • NOAA stationWest Lafayette (6 mi NW)
  • Station IDUSC00129430
  • Location40.48°N 86.99°W
  • Elevation708 ft (216 m)
  • From the center4 miles
  • Population46,338
  1. Jan 32° 16°
  2. Feb 37° 20°
  3. Mar 48° 29°
  4. Apr 61° 39°
  5. May 72° 51°
  6. Jun 81° 60°
  7. Jul 83° 63°
  8. Aug 82° 60°
  9. Sep 77° 52°
  10. Oct 65° 41°
  11. Nov 50° 32°
  12. Dec 37° 22°

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

How warm is West Lafayette in January?

The normal high is 32°F and the normal low 16°F, for a daily mean of 24.4°F. January is 5.4°F cooler than December and 3.7°F cooler than February. January is the 12th warmest month of the year in West Lafayette and the 11th wettest, and the snowiest. From one year to the next January's mean temperature typically moves about 5.2°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 19°F and 30°F.

West Lafayette 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 31%).

Normal high and low on five days of January, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
January 133°F18°F31%18%
January 832°F17°F31%18%
January 1532°F16°F30%17%
January 2232°F16°F30%15%
January 3133°F16°F29%15%
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 1, coldest night January 20)
West Lafayette: NOAA 1991-2020 daily normals for each day of January
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
January 133°F18°F31%18%9 h 20 min
January 233°F18°F31%18%9 h 20 min
January 333°F18°F31%18%9 h 20 min
January 433°F18°F31%18%9 h 20 min
January 533°F18°F31%18%9 h 20 min
January 633°F17°F31%18%9 h 20 min
January 733°F17°F31%18%9 h 20 min
January 832°F17°F31%18%9 h 30 min
January 932°F17°F31%18%9 h 30 min
January 1032°F17°F31%18%9 h 30 min
January 1132°F16°F31%17%9 h 30 min
January 1232°F16°F31%17%9 h 30 min
January 1332°F16°F31%17%9 h 30 min
January 1432°F16°F30%17%9 h 30 min
January 1532°F16°F30%17%9 h 30 min
January 1632°F16°F30%16%9 h 40 min
January 1732°F16°F30%16%9 h 40 min
January 1832°F16°F30%16%9 h 40 min
January 1932°F16°F30%16%9 h 40 min
January 2032°F16°F30%16%9 h 40 min
January 2132°F16°F30%16%9 h 40 min
January 2232°F16°F30%15%9 h 50 min
January 2332°F16°F30%15%9 h 50 min
January 2432°F16°F29%15%9 h 50 min
January 2532°F16°F29%15%9 h 50 min
January 2632°F16°F29%15%9 h 50 min
January 2733°F16°F29%15%10 h
January 2833°F16°F29%15%10 h
January 2933°F16°F29%15%10 h
January 3033°F16°F29%15%10 h
January 3133°F16°F29%15%10 h
Normal high
32°FJanuary average
Normal low
16°FJanuary average
Precipitation
2.21 inmonth total
Days with precipitation
90.01 inch or more
Snowfall
5.9 inmonth total
Nights at 32°F or colder
28
Daylight
9 h 20 min to 10 hJanuary 1 to January 31
Sunshine
61%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00129430; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain or snow in West Lafayette in January?

On a given January day the chance of 0.01 inch or more is 30% on average, highest around January 1 (31%). In all, 2.21 in falls on 9 days of a normal January.

In a normal January in West Lafayette, 28 nights fall to freezing, 14 days stay below freezing all day and snowfall averages 5.9 inches.

Snow falls on 4 days in a normal January, and an inch or more covers the ground on 13 days.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00129430.

What are the records for January in West Lafayette?

The warmest January temperature on this station's record (since 1901) is 68°F, on January 20, 1906; the coldest is −24°F, on January 21, 1985. The wettest January brought 8.37 in (1950); the snowiest, 24.6 inches (1904).

The January mean against the 1991-2020 normal of 24.4°F: 2021 27.8°F (+3.4), 2022 21.6°F (−2.8), 2023 34.2°F (+9.8), 2024 26.7°F (+2.3), 2026 22.6°F (−1.8). 3 of 5 ran warmer than normal.

West Lafayette: January in recent years against the 1991-2020 normal
JanuaryMeanAgainst normalPrecip.
202127.8°F+3.4°F1.73 in
202221.6°F−2.8°F–
202334.2°F+9.8°F–
202426.7°F+2.3°F5.04 in
202622.6°F−1.8°F1.08 in

Source: records: ACIS, station USC00129430; recent months: ACIS, station USC00129430. Records and recent months use complete months only.

How does January in West Lafayette compare across Indiana?

Across the 99 places PlainClimate covers in Indiana, January normal highs run from 31°F in Angola to 43°F in St. Meinrad; West Lafayette's is 32°F.

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

Other months and places