Greenock Weather in January
Average highs run from 5°C on January 1 to 5°C on January 31, and lows from 2°C to 2°C. Normal precipitation for the month is 164 mm over about 22 wet days.
January day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
January at a glance
- Average high
- 5°C
- Average low
- 2°C
- Precipitation
- 164 mm
- Reanalysis high
- 11°CJan 7, 2020
- Reanalysis low
- -6°CJan 3, 2010
- Daylight
- 7 h 06 min to 8 h 34 min
- Cloud cover
- 79%
- Humidity
- 93%
- Dew point
- 3°C
- Wind
- 25.2 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 | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Jan 1 | 5°C | 2°C | 11°C 2015 | -4°C 1997 | 70% |
| Jan 2 | 5°C | 2°C | 10°C 1992 | -4°C 2010 | 69% |
| Jan 3 | 5°C | 2°C | 10°C 1992 | -6°C 2010 | 69% |
| Jan 4 | 5°C | 2°C | 9°C 2005 | -4°C 1997 | 70% |
| Jan 5 | 5°C | 2°C | 9°C 2004 | -5°C 1997 | 71% |
| Jan 6 | 5°C | 2°C | 10°C 2005 | -5°C 2010 | 72% |
| Jan 7 | 5°C | 2°C | 11°C 2020 | -5°C 2010 | 74% |
| Jan 8 | 5°C | 2°C | 9°C 2007 | -5°C 2010 | 74% |
| Jan 9 | 5°C | 2°C | 11°C 2015 | -5°C 2010 | 74% |
| Jan 10 | 5°C | 2°C | 11°C 2005 | -5°C 2010 | 74% |
| Jan 11 | 6°C | 2°C | 10°C 2009 | -1°C 2011 | 74% |
| Jan 12 | 6°C | 2°C | 11°C 2007 | -1°C 1991 | 73% |
| Jan 13 | 6°C | 2°C | 9°C 2007 | -1°C 2001 | 72% |
| Jan 14 | 5°C | 2°C | 10°C 2002 | -2°C 2016 | 72% |
| Jan 15 | 5°C | 2°C | 10°C 2005 | -2°C 2001 | 72% |
| Jan 16 | 5°C | 2°C | 11°C 1993 | -3°C 2001 | 71% |
| Jan 17 | 6°C | 2°C | 10°C 1993 | -2°C 2001 | 71% |
| Jan 18 | 6°C | 2°C | 11°C 2008 | -2°C 2001 | 71% |
| Jan 19 | 6°C | 2°C | 9°C 2004 | -2°C 2015 | 70% |
| Jan 20 | 5°C | 2°C | 9°C 2002 | -1°C 1998 | 69% |
| Jan 21 | 5°C | 2°C | 10°C 2002 | -1°C 2015 | 68% |
| Jan 22 | 5°C | 2°C | 9°C 1998 | -1°C 2013 | 66% |
| Jan 23 | 5°C | 2°C | 10°C 2008 | -2°C 2013 | 66% |
| Jan 24 | 5°C | 2°C | 10°C 2016 | -2°C 2013 | 65% |
| Jan 25 | 5°C | 2°C | 10°C 2016 | -1°C 1996 | 64% |
| Jan 26 | 5°C | 2°C | 10°C 2016 | -1°C 1995 | 63% |
| Jan 27 | 5°C | 2°C | 10°C 2003 | -1°C 2004 | 65% |
| Jan 28 | 5°C | 2°C | 9°C 2018 | -2°C 1996 | 65% |
| Jan 29 | 5°C | 2°C | 9°C 2013 | -3°C 1995 | 66% |
| Jan 30 | 5°C | 2°C | 9°C 2000 | -4°C 1995 | 67% |
| Jan 31 | 5°C | 2°C | 9°C 2007 | -2°C 2019 | 67% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT).
- January 1
- sunrise 8:50 AM, sunset 3:56 PM
- January 31
- sunrise 8:16 AM, sunset 4:50 PM
Other months
Sources
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.