Kosan climate

Kosan Weather in January

NASA POWER reanalysis for the half-degree grid cell around Kosan, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from -1°C on January 1 to -1°C on January 31, and lows from -9°C to -10°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 daily high and low temperature at Kosan, in °C, with the record for each date.-30-20-10010151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

January at a glance

Average high
-2°C
Average low
-10°C
Precipitation
19 mm
Reanalysis high
8°CJan 12, 2002
Reanalysis low
-22°CJan 15, 2001
Daylight
9 h 30 min to 10 h 12 min
Cloud cover
51%
Humidity
80%
Dew point
-9°C
Wind
17.3 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Jan 1-1°C-9°C4°C 2007-16°C 201012%
Jan 2-1°C-9°C4°C 2016-19°C 201312%
Jan 3-1°C-9°C6°C 2016-21°C 201312%
Jan 4-1°C-9°C5°C 2007-18°C 200311%
Jan 5-1°C-9°C6°C 1999-19°C 200312%
Jan 6-1°C-9°C5°C 2020-19°C 200312%
Jan 7-1°C-9°C6°C 1995-17°C 200013%
Jan 8-1°C-9°C5°C 1995-15°C 199914%
Jan 9-1°C-9°C4°C 1994-17°C 201314%
Jan 10-1°C-9°C3°C 1998-17°C 201315%
Jan 11-1°C-9°C4°C 2002-20°C 200116%
Jan 12-2°C-9°C8°C 2002-21°C 200116%
Jan 13-1°C-9°C5°C 2019-19°C 201017%
Jan 14-2°C-10°C5°C 2002-22°C 200116%
Jan 15-2°C-10°C7°C 2002-22°C 200116%
Jan 16-2°C-10°C3°C 2007-21°C 200116%
Jan 17-2°C-10°C4°C 2018-18°C 200115%
Jan 18-2°C-10°C4°C 1999-17°C 199415%
Jan 19-2°C-10°C4°C 1999-19°C 201615%
Jan 20-2°C-10°C7°C 2010-19°C 199315%
Jan 21-2°C-10°C3°C 2009-20°C 200414%
Jan 22-2°C-10°C6°C 1999-20°C 200413%
Jan 23-2°C-10°C4°C 2007-19°C 201813%
Jan 24-2°C-10°C6°C 1999-20°C 201813%
Jan 25-2°C-10°C5°C 2020-19°C 201312%
Jan 26-2°C-10°C5°C 2015-21°C 201312%
Jan 27-2°C-10°C3°C 2020-17°C 201312%
Jan 28-2°C-10°C4°C 2020-16°C 199311%
Jan 29-2°C-10°C6°C 2009-18°C 200310%
Jan 30-1°C-10°C5°C 2019-18°C 200310%
Jan 31-1°C-10°C5°C 2020-18°C 200010%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Kosan, in percent.051015201102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+9).

January 1
sunrise 7:49 AM, sunset 5:19 PM
January 31
sunrise 7:38 AM, sunset 5:50 PM

Every day of January: sun and moon

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.