St. John's Weather in January
Average highs run from 1°C on January 1 to -1°C on January 31, and lows from -3°C to -5°C. Normal precipitation for the month is 122 mm over about 17 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
- 0°C
- Average low
- -4°C
- Precipitation
- 122 mm
- Record high
- 15°CJan 13, 2018
- Record low
- -18°CJan 2, 2014
- Daylight
- 8 h 31 min to 9 h 32 min
- Cloud cover
- 79%
- Humidity
- 87%
- Dew point
- -4°C
- Wind
- 29.2 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 | 1°C | -3°C | 6°C 2023 | -15°C 2014 | 58% |
| Jan 2 | 0°C | -3°C | 6°C 2022 | -18°C 2014 | 57% |
| Jan 3 | 0°C | -3°C | 6°C 2022 | -18°C 2014 | 57% |
| Jan 4 | 0°C | -4°C | 3°C 2016 | -17°C 2019 | 56% |
| Jan 5 | 0°C | -4°C | 10°C 2018 | -11°C 2016 | 56% |
| Jan 6 | 0°C | -4°C | 9°C 2022 | -13°C 2024 | 57% |
| Jan 7 | 0°C | -4°C | 10°C 2014 | -12°C 2024 | 56% |
| Jan 8 | 0°C | -4°C | 9°C 2017 | -13°C 2015 | 55% |
| Jan 9 | 0°C | -4°C | 3°C 2015 | -15°C 2015 | 56% |
| Jan 10 | 0°C | -4°C | 6°C 2022 | -13°C 2020 | 56% |
| Jan 11 | 0°C | -4°C | 4°C 2020 | -12°C 2022 | 56% |
| Jan 12 | 0°C | -4°C | 11°C 2014 | -14°C 2023 | 56% |
| Jan 13 | 0°C | -4°C | 15°C 2018 | -15°C 2015 | 56% |
| Jan 14 | 0°C | -4°C | 14°C 2018 | -15°C 2015 | 57% |
| Jan 15 | 0°C | -4°C | 14°C 2023 | -13°C 2020 | 57% |
| Jan 16 | 0°C | -4°C | 10°C 2014 | -15°C 2017 | 55% |
| Jan 17 | 0°C | -4°C | 12°C 2014 | -13°C 2017 | 55% |
| Jan 18 | 0°C | -4°C | 8°C 2023 | -16°C 2013 | 55% |
| Jan 19 | 0°C | -4°C | 4°C 2015 | -16°C 2013 | 55% |
| Jan 20 | 0°C | -5°C | 7°C 2022 | -11°C 2019 | 56% |
| Jan 21 | 0°C | -5°C | 11°C 2019 | -14°C 2020 | 54% |
| Jan 22 | 0°C | -5°C | 10°C 2014 | -16°C 2020 | 56% |
| Jan 23 | 0°C | -5°C | 9°C 2014 | -15°C 2024 | 56% |
| Jan 24 | 0°C | -5°C | 8°C 2018 | -16°C 2024 | 56% |
| Jan 25 | -1°C | -5°C | 10°C 2019 | -13°C 2020 | 55% |
| Jan 26 | -1°C | -5°C | 6°C 2014 | -12°C 2016 | 55% |
| Jan 27 | -1°C | -5°C | 8°C 2023 | -13°C 2022 | 55% |
| Jan 28 | -1°C | -5°C | 10°C 2015 | -16°C 2022 | 55% |
| Jan 29 | -1°C | -5°C | 6°C 2022 | -12°C 2013 | 54% |
| Jan 30 | -1°C | -5°C | 11°C 2022 | -10°C 2014 | 56% |
| Jan 31 | -1°C | -5°C | 8°C 2018 | -12°C 2024 | 56% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3:30).
- January 1
- sunrise 7:49 AM, sunset 4:20 PM
- January 31
- sunrise 7:29 AM, sunset 5:01 PM
Other months
Sources
Records: NOAA GHCN-Daily, station CA008403505, 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.