Iiyama climate

Iiyama Weather in February

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

Average highs run from -2°C on February 1 to 1°C on February 28, and lows from -7°C to -6°C. Normal precipitation for the month is 124 mm over about 20 wet days.

February day by day

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

Normal daily high and low temperature at Iiyama, in °C, with the record for each date.-20-10010201510152025
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

February at a glance

Average high
-1°C
Average low
-7°C
Precipitation
124 mm
Reanalysis high
12°CFeb 14, 2016
Reanalysis low
-16°CFeb 16, 2011
Daylight
10 h 22 min to 11 h 20 min
Cloud cover
85%
Humidity
97%
Dew point
-4°C
Wind
11.2 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
Feb 1-2°C-7°C3°C 2014-13°C 201381%
Feb 2-1°C-7°C8°C 2014-12°C 201181%
Feb 3-1°C-7°C7°C 2014-12°C 199881%
Feb 4-1°C-7°C3°C 1992-12°C 201180%
Feb 5-1°C-7°C7°C 2007-15°C 199980%
Feb 6-1°C-8°C6°C 2007-13°C 201280%
Feb 7-1°C-7°C8°C 2019-14°C 199580%
Feb 8-1°C-8°C4°C 2007-16°C 201679%
Feb 9-1°C-8°C6°C 2007-12°C 199977%
Feb 10-1°C-8°C6°C 2007-15°C 200477%
Feb 11-1°C-8°C4°C 2009-14°C 200476%
Feb 12-1°C-8°C3°C 2009-13°C 202075%
Feb 13-1°C-8°C7°C 2009-13°C 200375%
Feb 14-1°C-8°C12°C 2016-12°C 199174%
Feb 15-1°C-7°C8°C 2009-15°C 199372%
Feb 16-1°C-7°C9°C 2020-16°C 201172%
Feb 17-1°C-7°C6°C 2007-15°C 200170%
Feb 18-1°C-7°C3°C 2016-15°C 199869%
Feb 19-1°C-7°C4°C 2016-15°C 199868%
Feb 20-1°C-7°C5°C 2007-15°C 200166%
Feb 210°C-7°C6°C 2020-14°C 199664%
Feb 220°C-7°C9°C 2007-11°C 199863%
Feb 230°C-7°C6°C 2007-13°C 200063%
Feb 240°C-7°C7°C 2019-15°C 199664%
Feb 250°C-7°C7°C 2019-14°C 200263%
Feb 260°C-7°C6°C 2007-12°C 199262%
Feb 270°C-7°C7°C 2007-14°C 199263%
Feb 281°C-7°C9°C 1992-13°C 200561%
Feb 291°C-6°C9°C 1992-13°C 199661%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Iiyama, in percent.02040608010011020
  • Chance of a wet day

Sunrise and sunset

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

February 1
sunrise 6:49 AM, sunset 5:11 PM
February 28
sunrise 6:19 AM, sunset 5:39 PM

Every day of February: 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.