Ozaukee County climate

Ozaukee County Weather in January

NOAA 1991-2020 normals for Port Washington, 2.4 km from Ozaukee County

Average highs run from 33°F on January 1 to 30°F on January 31, and lows from 17°F to 13°F. Normal precipitation for the month is 1.76 in over about 8 wet days.

January day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Ozaukee County, in °F, with the record for each date.-40-200204060151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
31°F
Average low
15°F
Precipitation
1.76 in
Snowfall
13.2 in
Record high
57°FJan 30, 2013
Record low
-27°FJan 31, 2019
Chance of a freeze
100%
Daylight
9 h 02 min to 9 h 54 min
Cloud cover
75%
Humidity
91%
Dew point
15°F
Wind
13.6 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Jan 133°F17°F52°F 2011-12°F 201826%17%
Jan 232°F17°F41°F 2020-13°F 201826%17%
Jan 332°F17°F44°F 2020-13°F 201426%18%
Jan 432°F17°F37°F 2023-13°F 201426%18%
Jan 532°F16°F41°F 2019-11°F 201526%18%
Jan 632°F16°F46°F 2012-17°F 201426%18%
Jan 732°F16°F46°F 2012-19°F 201426%19%
Jan 831°F16°F45°F 2019-16°F 201426%19%
Jan 931°F16°F55°F 2026-15°F 201426%19%
Jan 1031°F15°F48°F 2020-13°F 201426%19%
Jan 1131°F15°F51°F 2018-8°F 201626%19%
Jan 1231°F15°F53°F 2018-4°F 201626%20%
Jan 1331°F15°F49°F 2013-5°F 201626%20%
Jan 1431°F15°F49°F 2026-7°F 202426%20%
Jan 1531°F15°F38°F 2021-9°F 202426%20%
Jan 1630°F14°F42°F 2023-12°F 202426%20%
Jan 1730°F14°F43°F 2023-9°F 201625%20%
Jan 1830°F14°F48°F 2025-10°F 201625%20%
Jan 1930°F14°F40°F 2013-9°F 201625%20%
Jan 2030°F14°F40°F 2013-9°F 202525%20%
Jan 2130°F14°F49°F 2018-15°F 202525%20%
Jan 2230°F13°F48°F 2018-12°F 202525%20%
Jan 2330°F13°F42°F 2017-19°F 202625%20%
Jan 2430°F13°F39°F 2012-18°F 202625%20%
Jan 2530°F13°F40°F 2010-16°F 202624%20%
Jan 2630°F13°F45°F 2018-19°F 201924%20%
Jan 2730°F13°F49°F 2018-19°F 201924%20%
Jan 2830°F13°F42°F 2018-16°F 201424%20%
Jan 2930°F13°F44°F 2025-13°F 201424%20%
Jan 3030°F13°F57°F 2013-26°F 201924%20%
Jan 3130°F13°F54°F 2025-27°F 201924%20%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Ozaukee County, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

January 1
sunrise 7:24 AM, sunset 4:26 PM
January 31
sunrise 7:08 AM, sunset 5:02 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00476764 (Port Washington), public domain. Records: NOAA GHCN-Daily, station USC00479052, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.