Duluth weather in January: Duluth, Minnesota: normal highs, lows, rain and records for January

Duluth in January has a normal high of 20°F and a normal low of 2°F, a daily mean of 11°F, holding near 20°F all month. Measurable precipitation falls on 10 days in a normal January, 0.95 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of −7°C and low of −16°C, 24 mm of precipitation and 43 cm of snow in January.

  • NOAA stationDuluth International Airport
  • Station IDUSW00014913
  • Location46.84°N 92.21°W
  • Elevation1,428 ft (435 m)
  • From the center6 miles
  • Population87,986
  1. Jan 20° 2°
  2. Feb 25° 6°
  3. Mar 36° 18°
  4. Apr 49° 30°
  5. May 63° 41°
  6. Jun 72° 50°
  7. Jul 78° 56°
  8. Aug 76° 55°
  9. Sep 67° 47°
  10. Oct 53° 36°
  11. Nov 37° 23°
  12. Dec 25° 10°

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

How warm is Duluth in January?

The normal high is 20°F and the normal low 2°F, for a daily mean of 11.2°F. January is 5.9°F cooler than December and 4.2°F cooler than February. January is the 12th warmest month of the year in Duluth and the 12th wettest. From one year to the next January's mean temperature typically moves about 5.8°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 5°F and 17°F.

Duluth 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 35%).

Normal high and low on five days of January, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
January 121°F5°F35%10%
January 820°F3°F35%10%
January 1520°F2°F34%9%
January 2220°F2°F33%9%
January 3121°F2°F32%9%
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 1, coldest night January 21)
Duluth: NOAA 1991-2020 daily normals for each day of January
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
January 121°F5°F35%10%8 h 40 min
January 221°F4°F35%10%8 h 40 min
January 321°F4°F35%10%8 h 40 min
January 420°F4°F35%10%8 h 40 min
January 520°F4°F35%10%8 h 40 min
January 620°F4°F35%10%8 h 40 min
January 720°F3°F35%10%8 h 40 min
January 820°F3°F35%10%8 h 40 min
January 920°F3°F35%10%8 h 50 min
January 1020°F3°F35%10%8 h 50 min
January 1120°F3°F34%10%8 h 50 min
January 1220°F2°F34%10%8 h 50 min
January 1320°F2°F34%10%8 h 50 min
January 1420°F2°F34%10%8 h 50 min
January 1520°F2°F34%9%9 h
January 1620°F2°F34%9%9 h
January 1719°F2°F34%9%9 h
January 1819°F2°F34%9%9 h
January 1920°F2°F33%9%9 h
January 2020°F2°F33%9%9 h 10 min
January 2120°F2°F33%9%9 h 10 min
January 2220°F2°F33%9%9 h 10 min
January 2320°F2°F33%9%9 h 10 min
January 2420°F2°F33%9%9 h 10 min
January 2520°F2°F32%9%9 h 20 min
January 2620°F2°F32%9%9 h 20 min
January 2720°F2°F32%9%9 h 20 min
January 2820°F2°F32%9%9 h 20 min
January 2920°F2°F32%9%9 h 30 min
January 3020°F2°F32%9%9 h 30 min
January 3121°F2°F32%9%9 h 30 min
Normal high
20°FJanuary average
Normal low
2°FJanuary average
Precipitation
0.95 inmonth total
Days with precipitation
100.01 inch or more
Snowfall
16.8 inmonth total
Nights at 32°F or colder
31
Daylight
8 h 40 min to 9 h 30 minJanuary 1 to January 31
Sunshine
70%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00014913; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain or snow in Duluth in January?

On a given January day the chance of 0.01 inch or more is 34% on average, highest around January 1 (35%). In all, 0.95 in falls on 10 days of a normal January.

In a normal January in Duluth, 31 nights fall to freezing, 27 days stay below freezing all day and snowfall averages 16.8 inches.

Snow falls on 13 days in a normal January, and an inch or more covers the ground on 31 days.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014913.

How humid and windy is Duluth in January?

At 3 p.m. the normal temperature is 19°F with 62% relative humidity and a dew point of 8°F; at 6 a.m. it is 9°F with 82% humidity. The wind averages 10.1 mph, most often from the west-northwest 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.9°F4°F82%9.2 mph42%
9 a.m.10°F5°F80%9.7 mph45%
noon16°F7°F67%11.1 mph40%
3 p.m.19°F8°F62%11.6 mph45%
6 p.m.16°F7°F68%9.6 mph40%
9 p.m.14°F7°F73%10.1 mph47%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00014913. 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 Duluth?

The warmest January temperature on Duluth's official record (since 1874) is 55°F, on January 23, 1942; the coldest is −41°F, on January 2, 1885. The wettest January brought 4.70 in (1969); the snowiest, 46.8 inches (1969).

The January mean against the 1991-2020 normal of 11.2°F: 2021 17.9°F (+6.7), 2022 4.7°F (−6.5), 2023 17.7°F (+6.5), 2024 17.1°F (+5.9), 2025 8.9°F (−2.3), 2026 6.4°F (−4.8). 3 of 6 ran warmer than normal.

Duluth: January in recent years against the 1991-2020 normal
JanuaryMeanAgainst normalPrecip.
202117.9°F+6.7°F0.61 in
20224.7°F−6.5°F0.56 in
202317.7°F+6.5°F1.56 in
202417.1°F+5.9°F0.74 in
20258.9°F−2.3°F0.50 in
20266.4°F−4.8°F0.63 in

Source: records: ACIS, NWS threaded record DLHthr; recent months: ACIS, station USW00014913. Records and recent months use complete months only.

How does January in Duluth compare across Minnesota?

Across the 129 places PlainClimate covers in Minnesota, January normal highs run from 13°F in Hallock to 27°F in Winona; Duluth's is 20°F.

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

Other months and places