Galway climate

Galway Weather in January

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

Average highs run from 7°C on January 1 to 7°C on January 31, and lows from 3°C to 2°C. Normal precipitation for the month is 109 mm over about 19 wet days.

January day by day

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

Normal daily high and low temperature at Galway, in °C, with the record for each date.-10-5051015151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

January at a glance

Average high
7°C
Average low
3°C
Precipitation
109 mm
Reanalysis high
13°CJan 24, 2016
Reanalysis low
-7°CJan 9, 2010
Daylight
7 h 38 min to 8 h 56 min
Cloud cover
75%
Humidity
94%
Dew point
4°C
Wind
22.0 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 17°C3°C13°C 2015-5°C 201063%
Jan 27°C3°C11°C 2013-4°C 201064%
Jan 37°C3°C12°C 2012-4°C 199765%
Jan 47°C3°C11°C 1993-6°C 201064%
Jan 57°C3°C11°C 1992-3°C 200965%
Jan 67°C3°C11°C 2017-6°C 201064%
Jan 77°C3°C13°C 2020-4°C 201065%
Jan 87°C3°C11°C 2007-5°C 201065%
Jan 97°C3°C13°C 2015-7°C 201066%
Jan 107°C3°C13°C 1998-6°C 201065%
Jan 117°C3°C12°C 1998-5°C 200365%
Jan 127°C3°C11°C 2007-2°C 199165%
Jan 137°C3°C11°C 1997-2°C 199164%
Jan 147°C3°C11°C 1997-2°C 199164%
Jan 157°C3°C12°C 2005-3°C 199162%
Jan 167°C3°C12°C 1993-3°C 200163%
Jan 177°C3°C11°C 2012-1°C 200162%
Jan 187°C3°C12°C 2008-1°C 202061%
Jan 197°C3°C12°C 2007-3°C 199860%
Jan 207°C3°C11°C 2002-3°C 199859%
Jan 217°C3°C12°C 1993-2°C 201759%
Jan 227°C3°C12°C 2016-2°C 201358%
Jan 237°C3°C12°C 2008-3°C 200558%
Jan 247°C3°C13°C 2016-2°C 201358%
Jan 257°C3°C12°C 2016-3°C 199658%
Jan 267°C2°C12°C 2003-2°C 199857%
Jan 277°C2°C12°C 2002-3°C 199658%
Jan 287°C3°C12°C 2018-3°C 199658%
Jan 297°C3°C12°C 2013-3°C 199658%
Jan 307°C3°C11°C 2000-2°C 200658%
Jan 317°C2°C11°C 2007-3°C 199158%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Galway, in percent.0204060801102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+0).

January 1
sunrise 8:51 AM, sunset 4:29 PM
January 31
sunrise 8:22 AM, sunset 5:18 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.