Ijūin climate

Ijūin Weather in January

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

Average highs run from 13°C on January 1 to 12°C on January 31, and lows from 6°C to 5°C. Normal precipitation for the month is 84 mm over about 9 wet days.

January day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Ijūin, in °C, with the record for each date.-50510152025151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

January at a glance

Average high
12°C
Average low
5°C
Precipitation
84 mm
Reanalysis high
21°CJan 15, 1998
Reanalysis low
-2°CJan 25, 2016
Daylight
10 h 08 min to 10 h 40 min
Cloud cover
73%
Humidity
77%
Dew point
5°C
Wind
20.2 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 113°C6°C20°C 19971°C 201028%
Jan 212°C6°C18°C 20072°C 200528%
Jan 312°C6°C19°C 20161°C 201327%
Jan 412°C6°C18°C 19950°C 201328%
Jan 512°C6°C18°C 20002°C 201228%
Jan 612°C6°C20°C 20001°C 200329%
Jan 712°C6°C19°C 20202°C 200630%
Jan 812°C6°C20°C 19981°C 201129%
Jan 912°C6°C19°C 20011°C 199629%
Jan 1012°C6°C17°C 20081°C 201330%
Jan 1112°C6°C20°C 20080°C 201330%
Jan 1212°C6°C19°C 20081°C 201831%
Jan 1312°C6°C18°C 20021°C 201830%
Jan 1412°C6°C19°C 20021°C 201830%
Jan 1512°C6°C21°C 19980°C 200131%
Jan 1612°C6°C19°C 2002-1°C 201132%
Jan 1712°C5°C19°C 19940°C 201133%
Jan 1812°C5°C17°C 20091°C 201334%
Jan 1912°C5°C20°C 19990°C 199433%
Jan 2012°C5°C18°C 20101°C 199433%
Jan 2112°C5°C20°C 19911°C 200033%
Jan 2212°C5°C20°C 1995-1°C 199732%
Jan 2312°C5°C19°C 20201°C 200433%
Jan 2412°C5°C19°C 20200°C 201633%
Jan 2512°C5°C19°C 2001-2°C 201635%
Jan 2611°C5°C17°C 20020°C 201234%
Jan 2711°C5°C19°C 20200°C 201834%
Jan 2811°C5°C17°C 20160°C 200033%
Jan 2911°C5°C20°C 20171°C 199334%
Jan 3011°C5°C18°C 20060°C 199532%
Jan 3112°C5°C19°C 20140°C 199532%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Ijūin, in percent.0102030401102030
  • Chance of a wet day

Sunrise and sunset

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

January 1
sunrise 7:18 AM, sunset 5:26 PM
January 31
sunrise 7:12 AM, sunset 5:52 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.