Ottawa climate

Ottawa Weather in January

NOAA 1991-2020 normals for Ottawa 5SW, 6 km from Ottawa

Average highs run from 32°F on January 1 to 31°F on January 31, and lows from 17°F to 15°F. Normal precipitation for the month is 1.78 in over about 9 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 Ottawa, in °F, with the record for each date.-40-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
31°F
Average low
15°F
Precipitation
1.78 in
Snowfall
9.2 in
Record high
66°FJan 8, 2008
Record low
-26°FJan 19, 1985
Chance of a freeze
100%
Daylight
9 h 16 min to 10 h 03 min
Cloud cover
67%
Humidity
87%
Dew point
18°F
Wind
12.1 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 132°F17°F55°F 2005-19°F 201828%14%
Jan 232°F17°F55°F 2005-19°F 201828%14%
Jan 332°F17°F62°F 2000-15°F 201828%15%
Jan 431°F17°F61°F 1997-15°F 201829%15%
Jan 531°F16°F64°F 1997-23°F 199929%15%
Jan 631°F16°F55°F 2012-22°F 199929%15%
Jan 731°F16°F63°F 2008-17°F 201429%15%
Jan 831°F16°F66°F 2008-13°F 197029%15%
Jan 931°F16°F60°F 2026-11°F 197029%16%
Jan 1031°F16°F59°F 1975-20°F 198229%16%
Jan 1131°F15°F58°F 1975-22°F 197929%16%
Jan 1231°F15°F57°F 2018-24°F 197429%16%
Jan 1330°F15°F59°F 2005-11°F 199729%16%
Jan 1430°F15°F52°F 2013-17°F 202428%16%
Jan 1530°F15°F46°F 1987-20°F 199428%16%
Jan 1630°F15°F55°F 1990-24°F 197728%16%
Jan 1730°F15°F57°F 1990-21°F 200928%15%
Jan 1830°F15°F60°F 1996-21°F 199428%15%
Jan 1930°F15°F60°F 1996-26°F 198528%15%
Jan 2030°F15°F58°F 2006-25°F 198528%15%
Jan 2130°F14°F58°F 2017-20°F 198428%15%
Jan 2230°F14°F58°F 1964-17°F 197028%15%
Jan 2330°F14°F62°F 1967-9°F 197728%15%
Jan 2430°F14°F63°F 1967-13°F 200828%15%
Jan 2530°F15°F57°F 1973-12°F 200827%15%
Jan 2631°F15°F53°F 1973-18°F 201927%14%
Jan 2731°F15°F55°F 2002-16°F 201927%14%
Jan 2831°F15°F60°F 2002-15°F 197727%14%
Jan 2931°F15°F59°F 2002-15°F 196627%14%
Jan 3031°F15°F65°F 2013-25°F 201927%14%
Jan 3131°F15°F57°F 2012-25°F 201927%14%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Ottawa, 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 7:21 AM, sunset 4:37 PM
January 31
sunrise 7:08 AM, sunset 5:11 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00116526 (Ottawa 5SW), public domain. Records: NOAA GHCN-Daily, station USC00116753, 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.