Irun Weather in January
Average highs run from 11°C on January 1 to 11°C on January 31, and lows from 8°C to 7°C. Normal precipitation for the month is 109 mm over about 16 wet days.
January day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
January at a glance
- Average high
- 11°C
- Average low
- 7°C
- Precipitation
- 109 mm
- Reanalysis high
- 17°CJan 5, 2001
- Reanalysis low
- 0°CJan 18, 2017
- Daylight
- 9 h 02 min to 9 h 54 min
- Cloud cover
- 73%
- Humidity
- 82%
- Dew point
- 6°C
- Wind
- 18.0 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 |
|---|---|---|---|---|---|
| Jan 1 | 11°C | 8°C | 17°C 1996 | 1°C 1997 | 45% |
| Jan 2 | 11°C | 8°C | 17°C 2003 | 1°C 1997 | 46% |
| Jan 3 | 11°C | 8°C | 17°C 1998 | 2°C 2019 | 47% |
| Jan 4 | 11°C | 8°C | 16°C 2018 | 3°C 1995 | 47% |
| Jan 5 | 11°C | 8°C | 17°C 2001 | 4°C 2017 | 46% |
| Jan 6 | 11°C | 8°C | 15°C 2008 | 1°C 2009 | 46% |
| Jan 7 | 11°C | 8°C | 15°C 2016 | 1°C 2009 | 46% |
| Jan 8 | 11°C | 8°C | 16°C 2016 | 0°C 2009 | 44% |
| Jan 9 | 11°C | 8°C | 15°C 1991 | 2°C 2010 | 44% |
| Jan 10 | 11°C | 8°C | 15°C 2016 | 1°C 2003 | 44% |
| Jan 11 | 11°C | 8°C | 15°C 1996 | 0°C 2003 | 46% |
| Jan 12 | 11°C | 8°C | 15°C 1994 | 0°C 2003 | 46% |
| Jan 13 | 11°C | 7°C | 16°C 1993 | 1°C 2003 | 47% |
| Jan 14 | 11°C | 7°C | 14°C 2005 | 3°C 2003 | 47% |
| Jan 15 | 11°C | 7°C | 15°C 1996 | 4°C 1991 | 48% |
| Jan 16 | 11°C | 7°C | 15°C 2020 | 4°C 1991 | 49% |
| Jan 17 | 11°C | 7°C | 15°C 2007 | 2°C 2017 | 48% |
| Jan 18 | 11°C | 7°C | 16°C 2007 | 0°C 2017 | 48% |
| Jan 19 | 11°C | 7°C | 15°C 2007 | 0°C 2017 | 47% |
| Jan 20 | 11°C | 7°C | 14°C 2008 | 1°C 2017 | 48% |
| Jan 21 | 11°C | 7°C | 15°C 2002 | 2°C 2011 | 49% |
| Jan 22 | 11°C | 7°C | 15°C 1995 | 1°C 2011 | 49% |
| Jan 23 | 11°C | 7°C | 16°C 2001 | 2°C 1992 | 50% |
| Jan 24 | 11°C | 7°C | 17°C 2016 | 2°C 2011 | 48% |
| Jan 25 | 11°C | 7°C | 16°C 2016 | 1°C 2007 | 48% |
| Jan 26 | 11°C | 7°C | 16°C 2002 | 0°C 2007 | 48% |
| Jan 27 | 11°C | 7°C | 16°C 2016 | 1°C 2007 | 48% |
| Jan 28 | 11°C | 7°C | 15°C 1996 | 1°C 2006 | 47% |
| Jan 29 | 11°C | 7°C | 16°C 2002 | 2°C 2006 | 46% |
| Jan 30 | 11°C | 7°C | 16°C 2002 | 1°C 2005 | 45% |
| Jan 31 | 11°C | 7°C | 17°C 2020 | 1°C 1999 | 44% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+1).
- January 1
- sunrise 8:40 AM, sunset 5:42 PM
- January 31
- sunrise 8:24 AM, sunset 6:18 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.