Galway Weather in January
With daytime temperatures of 10°C (50°F) and nighttime lows of 4°C (39°F), January in Galway brings low temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 108 mm (4.3 in) falls on average.
Rainfall in Galway in January
Historically, approximately 22 days this month are expected to have rain, averaging 108 mm (4.3 in). Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Galway in January
Daytime highs in Galway in January reach 10°C (50°F), with nights around 4°C (39°F). January is part of the winter season. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. With overnight lows of 4°C (39°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. The city often sees its mildest temperatures during January.
Sunshine in Galway in January
The month is characterized by fewer sunny days, with roughly 45 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Galway. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ireland, check out our Galway's climate page.
Galway Temperature in January
Min Temperature
4°C (39°F)
Max Temperature
10°C (50°F)
Chance of Rain
74%
Precipitation
108 mm (4.3 in)
Rainy days
22 days
Humidity
90% *
Sunshine
45 hours *
Percentage Sunshine
22% *
Daily Historical Temperatures
50-year average (1976-2026)
Based on our historical records, temperatures in Galway typically stay consistent throughout January, with daily highs averaging around 10°C (50°F). Nights are cold, with lows around 3°C (37°F).
Average temperatures in January
Daily Historical Precipitation
50-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Galway in January
Browse day-by-day weather records for Galway spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Galway historical weather extremes in January
Based on 25 years of weather observations (2000-2025), these are the most extreme conditions recorded in Galway.
- The warmest day in January was on January 1, 2022, with a maximum of 14°C (57°F).
- The lowest daytime temperature in January was -1°C (30°F), recorded on January 8, 2010.
- Nighttime temperatures dropped to -8°C (18°F) on January 9, 2010, marking the coldest January night on record.
- Peak precipitation in January occurred on January 7, 2005, when 26 mm (1 in) of precipitation was measured.
Best Places in Ireland in January
Find out more about the weather in Ireland and which places have the best travel conditions in this month. See all of Ireland in January →
perfect weather
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What to Wear in Galway in January
Dress warmly and in layers for your trip to Galway in January. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.What To Do in Galway in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ireland, check out our Galway's climate page.
Temperature Rainfall Sunshine Humidity
See the full Galway climate overview or explore weather in Ireland.
