Hermanus Weather in January
Average highs run from 22°C on January 1 to 22°C on January 31, and lows from 18°C to 19°C. Normal precipitation for the month is 19 mm over about 3 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
- 22°C
- Average low
- 18°C
- Precipitation
- 19 mm
- Reanalysis high
- 28°CJan 13, 2010
- Reanalysis low
- 15°CJan 9, 1998
- Daylight
- 14 h 25 min to 13 h 47 min
- Cloud cover
- 45%
- Humidity
- 78%
- Dew point
- 16°C
- Wind
- 24.1 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 | 22°C | 18°C | 26°C 2003 | 15°C 2001 | 15% |
| Jan 2 | 22°C | 18°C | 25°C 1993 | 16°C 2001 | 14% |
| Jan 3 | 22°C | 18°C | 26°C 1998 | 17°C 2008 | 14% |
| Jan 4 | 22°C | 18°C | 27°C 1992 | 16°C 1991 | 14% |
| Jan 5 | 22°C | 18°C | 27°C 2010 | 18°C 2007 | 14% |
| Jan 6 | 22°C | 18°C | 26°C 1994 | 17°C 2007 | 15% |
| Jan 7 | 22°C | 18°C | 25°C 2015 | 16°C 1991 | 14% |
| Jan 8 | 22°C | 18°C | 24°C 2017 | 15°C 1991 | 14% |
| Jan 9 | 22°C | 18°C | 23°C 2010 | 15°C 1998 | 13% |
| Jan 10 | 22°C | 18°C | 24°C 2017 | 15°C 1998 | 13% |
| Jan 11 | 22°C | 18°C | 27°C 2018 | 15°C 1998 | 14% |
| Jan 12 | 22°C | 18°C | 25°C 2016 | 16°C 1999 | 14% |
| Jan 13 | 22°C | 18°C | 28°C 2010 | 15°C 2001 | 14% |
| Jan 14 | 22°C | 18°C | 26°C 2015 | 16°C 2001 | 13% |
| Jan 15 | 22°C | 18°C | 26°C 1993 | 17°C 2010 | 12% |
| Jan 16 | 22°C | 18°C | 27°C 2012 | 17°C 2010 | 12% |
| Jan 17 | 22°C | 18°C | 26°C 2016 | 17°C 2011 | 12% |
| Jan 18 | 22°C | 18°C | 28°C 2000 | 16°C 2019 | 12% |
| Jan 19 | 22°C | 19°C | 26°C 2000 | 16°C 2019 | 12% |
| Jan 20 | 22°C | 19°C | 25°C 2000 | 16°C 2003 | 11% |
| Jan 21 | 22°C | 19°C | 26°C 2004 | 16°C 2003 | 11% |
| Jan 22 | 22°C | 19°C | 25°C 2014 | 16°C 1994 | 10% |
| Jan 23 | 22°C | 19°C | 25°C 2016 | 16°C 1991 | 11% |
| Jan 24 | 22°C | 19°C | 26°C 2015 | 16°C 1993 | 11% |
| Jan 25 | 22°C | 19°C | 27°C 2007 | 17°C 1993 | 11% |
| Jan 26 | 22°C | 19°C | 27°C 1993 | 17°C 2020 | 12% |
| Jan 27 | 22°C | 19°C | 26°C 2007 | 17°C 2020 | 11% |
| Jan 28 | 22°C | 19°C | 25°C 2019 | 17°C 1996 | 12% |
| Jan 29 | 22°C | 19°C | 28°C 2018 | 17°C 2004 | 12% |
| Jan 30 | 22°C | 19°C | 25°C 2004 | 17°C 2001 | 11% |
| Jan 31 | 22°C | 19°C | 27°C 2016 | 16°C 1997 | 11% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+2).
- January 1
- sunrise 5:34 AM, sunset 7:59 PM
- January 31
- sunrise 6:03 AM, sunset 7:50 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.