Ottawa South Weather in January
Average highs run from -6°C on January 1 to -7°C on January 31, and lows from -15°C to -18°C. Normal precipitation for the month is 71 mm over about 12 wet days.
January day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- -7°C
- Average low
- -17°C
- Precipitation
- 71 mm
- Record high
- 12°CJan 12, 2018
- Record low
- -30°CJan 1, 2018
- Daylight
- 8 h 49 min to 9 h 43 min
- Cloud cover
- 69%
- Humidity
- 95%
- Dew point
- -13°C
- Wind
- 11.2 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Jan 1 | -6°C | -15°C | 5°C 2012 | -30°C 2018 | 44% |
| Jan 2 | -6°C | -15°C | 5°C 2023 | -27°C 2014 | 44% |
| Jan 3 | -6°C | -15°C | 5°C 2020 | -28°C 2014 | 44% |
| Jan 4 | -6°C | -15°C | 3°C 2017 | -26°C 2014 | 44% |
| Jan 5 | -6°C | -15°C | 3°C 2022 | -25°C 2016 | 45% |
| Jan 6 | -6°C | -16°C | 6°C 2014 | -26°C 2018 | 46% |
| Jan 7 | -6°C | -16°C | 2°C 2012 | -29°C 2015 | 46% |
| Jan 8 | -7°C | -16°C | 2°C 2013 | -30°C 2015 | 45% |
| Jan 9 | -7°C | -16°C | 4°C 2013 | -25°C 2017 | 46% |
| Jan 10 | -7°C | -16°C | 6°C 2016 | -22°C 2022 | 47% |
| Jan 11 | -7°C | -16°C | 9°C 2018 | -27°C 2022 | 47% |
| Jan 12 | -7°C | -17°C | 12°C 2018 | -21°C 2019 | 47% |
| Jan 13 | -7°C | -17°C | 6°C 2013 | -25°C 2015 | 45% |
| Jan 14 | -7°C | -17°C | 6°C 2013 | -27°C 2018 | 44% |
| Jan 15 | -7°C | -17°C | 2°C 2014 | -27°C 2022 | 43% |
| Jan 16 | -7°C | -17°C | 3°C 2017 | -28°C 2022 | 43% |
| Jan 17 | -7°C | -18°C | 3°C 2012 | -27°C 2015 | 44% |
| Jan 18 | -8°C | -18°C | 4°C 2015 | -25°C 2013 | 44% |
| Jan 19 | -8°C | -18°C | 3°C 2013 | -24°C 2019 | 43% |
| Jan 20 | -8°C | -18°C | 6°C 2013 | -25°C 2022 | 42% |
| Jan 21 | -8°C | -18°C | 3°C 2017 | -30°C 2022 | 41% |
| Jan 22 | -8°C | -18°C | 2°C 2017 | -30°C 2022 | 41% |
| Jan 23 | -8°C | -18°C | 6°C 2012 | -29°C 2013 | 40% |
| Jan 24 | -8°C | -18°C | 5°C 2012 | -30°C 2022 | 40% |
| Jan 25 | -8°C | -18°C | 1°C 2017 | -24°C 2013 | 40% |
| Jan 26 | -8°C | -18°C | 5°C 2016 | -28°C 2022 | 38% |
| Jan 27 | -8°C | -18°C | 7°C 2018 | -25°C 2022 | 37% |
| Jan 28 | -7°C | -18°C | 4°C 2018 | -26°C 2019 | 38% |
| Jan 29 | -7°C | -18°C | 0°C 2016 | -24°C 2022 | 39% |
| Jan 30 | -7°C | -18°C | 12°C 2013 | -22°C 2022 | 39% |
| Jan 31 | -7°C | -18°C | 9°C 2013 | -25°C 2015 | 39% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 7:42 AM, sunset 4:31 PM
- January 31
- sunrise 7:25 AM, sunset 5:08 PM
Other months
Sources
Records: NOAA GHCN-Daily, station CA006106001, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine, and temperature and precipitation: 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.