Isa Weather in January
Average highs run from 10°C on January 1 to 9°C on January 31, and lows from 2°C to 1°C. Normal precipitation for the month is 74 mm over about 9 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
- 10°C
- Average low
- 2°C
- Precipitation
- 74 mm
- Reanalysis high
- 19°CJan 15, 1998
- Reanalysis low
- -5°CJan 25, 2016
- Daylight
- 10 h 06 min to 10 h 38 min
- Cloud cover
- 71%
- Humidity
- 83%
- Dew point
- 2°C
- Wind
- 12.6 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 | 10°C | 2°C | 18°C 1997 | -2°C 2015 | 27% |
| Jan 2 | 10°C | 2°C | 15°C 2007 | -2°C 2005 | 27% |
| Jan 3 | 10°C | 2°C | 17°C 2016 | -2°C 2013 | 26% |
| Jan 4 | 10°C | 2°C | 15°C 1998 | -3°C 2013 | 26% |
| Jan 5 | 10°C | 2°C | 16°C 2000 | -2°C 2001 | 26% |
| Jan 6 | 10°C | 2°C | 19°C 2000 | -2°C 2003 | 28% |
| Jan 7 | 10°C | 2°C | 18°C 2020 | -2°C 2011 | 29% |
| Jan 8 | 10°C | 2°C | 18°C 1998 | -3°C 2011 | 28% |
| Jan 9 | 10°C | 2°C | 16°C 2001 | -2°C 1996 | 28% |
| Jan 10 | 10°C | 2°C | 16°C 2008 | -2°C 2013 | 28% |
| Jan 11 | 10°C | 2°C | 19°C 2008 | -3°C 2013 | 29% |
| Jan 12 | 10°C | 2°C | 18°C 2008 | -3°C 2012 | 29% |
| Jan 13 | 10°C | 2°C | 16°C 2006 | -2°C 2018 | 29% |
| Jan 14 | 10°C | 2°C | 16°C 2002 | -3°C 2018 | 29% |
| Jan 15 | 10°C | 2°C | 19°C 1998 | -4°C 2001 | 31% |
| Jan 16 | 9°C | 2°C | 17°C 2002 | -5°C 2011 | 31% |
| Jan 17 | 9°C | 2°C | 17°C 1994 | -3°C 2001 | 32% |
| Jan 18 | 9°C | 2°C | 14°C 2009 | -2°C 2011 | 33% |
| Jan 19 | 9°C | 2°C | 18°C 1999 | -2°C 1994 | 32% |
| Jan 20 | 9°C | 2°C | 16°C 2010 | -2°C 1994 | 32% |
| Jan 21 | 9°C | 1°C | 19°C 1991 | -3°C 2000 | 31% |
| Jan 22 | 9°C | 1°C | 18°C 1995 | -3°C 1997 | 30% |
| Jan 23 | 9°C | 1°C | 17°C 2020 | -2°C 2014 | 30% |
| Jan 24 | 9°C | 1°C | 18°C 2020 | -4°C 2016 | 30% |
| Jan 25 | 9°C | 1°C | 16°C 2001 | -5°C 2016 | 31% |
| Jan 26 | 9°C | 1°C | 15°C 2002 | -3°C 2018 | 31% |
| Jan 27 | 9°C | 1°C | 17°C 2020 | -4°C 2018 | 30% |
| Jan 28 | 9°C | 1°C | 15°C 2009 | -3°C 2004 | 30% |
| Jan 29 | 9°C | 1°C | 18°C 2017 | -2°C 1993 | 30% |
| Jan 30 | 9°C | 1°C | 17°C 2006 | -3°C 1995 | 28% |
| Jan 31 | 9°C | 1°C | 17°C 2014 | -4°C 1995 | 28% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+9).
- January 1
- sunrise 7:18 AM, sunset 5:24 PM
- January 31
- sunrise 7:12 AM, sunset 5:50 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.