Iwamizawa climate

Iwamizawa Weather in March

NASA POWER reanalysis for the half-degree grid cell around Iwamizawa, 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 March 1 to 5°C on March 31, and lows from -10°C to -3°C. Normal precipitation for the month is 62 mm over about 16 wet days.

March day by day

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

Normal daily high and low temperature at Iwamizawa, in °C, with the record for each date.-30-20-1001020151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

March at a glance

Average high
1°C
Average low
-7°C
Precipitation
62 mm
Reanalysis high
13°CMar 29, 1998
Reanalysis low
-20°CMar 10, 2001
Daylight
11 h 11 min to 12 h 40 min
Cloud cover
69%
Humidity
87%
Dew point
-5°C
Wind
16.6 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
Mar 1-2°C-10°C1°C 2003-16°C 200752%
Mar 2-2°C-10°C1°C 2017-15°C 201051%
Mar 3-1°C-10°C1°C 2007-16°C 199551%
Mar 4-1°C-10°C2°C 2001-14°C 200452%
Mar 5-1°C-10°C4°C 2007-17°C 201252%
Mar 6-1°C-9°C3°C 2007-16°C 199753%
Mar 7-1°C-9°C2°C 2016-14°C 199254%
Mar 8-1°C-9°C4°C 2020-17°C 199653%
Mar 9-1°C-9°C6°C 2020-20°C 200151%
Mar 10-1°C-9°C5°C 2020-20°C 200150%
Mar 110°C-8°C6°C 2020-14°C 200148%
Mar 120°C-8°C3°C 2020-15°C 200348%
Mar 130°C-8°C3°C 2002-18°C 200147%
Mar 140°C-8°C6°C 2002-14°C 200146%
Mar 150°C-8°C4°C 1992-14°C 199146%
Mar 161°C-7°C4°C 1995-13°C 199746%
Mar 171°C-7°C7°C 2004-11°C 201145%
Mar 181°C-7°C9°C 2016-11°C 199245%
Mar 191°C-6°C8°C 2019-11°C 199344%
Mar 202°C-6°C6°C 2019-12°C 200042%
Mar 212°C-6°C7°C 2008-13°C 199940%
Mar 222°C-6°C10°C 2008-13°C 200039%
Mar 232°C-5°C12°C 2008-13°C 199441%
Mar 243°C-5°C8°C 1993-10°C 201341%
Mar 253°C-5°C11°C 2008-9°C 200542%
Mar 263°C-5°C11°C 2008-9°C 200542%
Mar 273°C-4°C11°C 2014-10°C 199442%
Mar 284°C-4°C11°C 2015-11°C 200040%
Mar 294°C-4°C13°C 1998-10°C 201239%
Mar 304°C-4°C9°C 2015-8°C 199939%
Mar 315°C-3°C12°C 1992-9°C 201338%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Iwamizawa, in percent.02040601102030
  • Chance of a wet day

Sunrise and sunset

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

March 1
sunrise 6:10 AM, sunset 5:21 PM
March 31
sunrise 5:18 AM, sunset 5:58 PM

Every day of March: 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.