Itoigawa Weather in April
Average highs run from 10°C on April 1 to 16°C on April 30, and lows from 2°C to 7°C. Normal precipitation for the month is 93 mm over about 15 wet days.
April day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
April at a glance
- Average high
- 13°C
- Average low
- 4°C
- Precipitation
- 93 mm
- Reanalysis high
- 24°CApr 23, 2019
- Reanalysis low
- -4°CApr 3, 1998
- Daylight
- 12 h 36 min to 13 h 40 min
- Cloud cover
- 70%
- Humidity
- 78%
- Dew point
- 5°C
- Wind
- 13.7 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 |
|---|---|---|---|---|---|
| Apr 1 | 10°C | 2°C | 16°C 2018 | -3°C 2006 | 52% |
| Apr 2 | 10°C | 2°C | 18°C 2016 | -2°C 2012 | 51% |
| Apr 3 | 10°C | 2°C | 19°C 2015 | -4°C 1998 | 51% |
| Apr 4 | 10°C | 2°C | 17°C 2015 | -1°C 2011 | 52% |
| Apr 5 | 10°C | 3°C | 17°C 2015 | -1°C 2005 | 52% |
| Apr 6 | 11°C | 3°C | 18°C 2018 | 0°C 2006 | 52% |
| Apr 7 | 11°C | 3°C | 18°C 2002 | -1°C 2012 | 52% |
| Apr 8 | 11°C | 3°C | 19°C 1991 | -1°C 2012 | 50% |
| Apr 9 | 12°C | 3°C | 18°C 2001 | -1°C 1994 | 49% |
| Apr 10 | 12°C | 4°C | 20°C 2005 | -1°C 1993 | 48% |
| Apr 11 | 12°C | 4°C | 20°C 2001 | -1°C 1993 | 47% |
| Apr 12 | 12°C | 4°C | 20°C 1991 | -1°C 1996 | 47% |
| Apr 13 | 13°C | 4°C | 22°C 1998 | -1°C 1996 | 47% |
| Apr 14 | 13°C | 4°C | 18°C 2015 | -1°C 1996 | 47% |
| Apr 15 | 13°C | 4°C | 21°C 2002 | 0°C 2010 | 45% |
| Apr 16 | 13°C | 5°C | 19°C 2016 | 0°C 1997 | 44% |
| Apr 17 | 13°C | 5°C | 21°C 2016 | 0°C 2011 | 45% |
| Apr 18 | 14°C | 5°C | 21°C 2004 | 1°C 2010 | 45% |
| Apr 19 | 14°C | 5°C | 19°C 2003 | 1°C 2013 | 44% |
| Apr 20 | 14°C | 5°C | 22°C 1998 | 0°C 1996 | 43% |
| Apr 21 | 14°C | 5°C | 24°C 1998 | -1°C 2013 | 42% |
| Apr 22 | 14°C | 6°C | 23°C 1998 | -1°C 2013 | 40% |
| Apr 23 | 15°C | 6°C | 24°C 2019 | 0°C 2001 | 41% |
| Apr 24 | 15°C | 6°C | 21°C 1998 | 2°C 1997 | 42% |
| Apr 25 | 15°C | 6°C | 19°C 2012 | 2°C 2020 | 42% |
| Apr 26 | 15°C | 6°C | 19°C 2012 | 2°C 2006 | 41% |
| Apr 27 | 15°C | 7°C | 21°C 2015 | 1°C 2007 | 41% |
| Apr 28 | 16°C | 7°C | 22°C 2015 | 0°C 2019 | 41% |
| Apr 29 | 16°C | 7°C | 23°C 2012 | 2°C 2004 | 40% |
| Apr 30 | 16°C | 7°C | 21°C 2008 | 2°C 1999 | 40% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+9).
- April 1
- sunrise 5:35 AM, sunset 6:11 PM
- April 30
- sunrise 4:56 AM, sunset 6:36 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.