Blarney Weather in January
January in Blarney brings low temperatures, with daytime highs of 10°C (50°F) and nights around 4°C (39°F). Quite a bit of rainfall is expected, around 91 mm (3.6 in), so pack an umbrella.
Rainfall in Blarney in January
The climate data from previous years indicates about 21 days of rain, averaging 91 mm (3.6 in) for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.
Temperature in Blarney in January
Blarney in January gets highs of 10°C (50°F) during the day and drops to 4°C (39°F) at night. January marks the winter season. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. Nights fall to 4°C (39°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep. January is characterized by some of the mildest temperatures of the year.
Sunshine in Blarney in January
The month is characterized by fewer sunny days, with roughly 57 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.
Wind Speed in Blarney in January
Wind speeds average 6 m/s (12 knots) during January. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.
Average water temperature in January
At 9°C (48°F), the water is too cold for most people to swim comfortably. A wetsuit is pretty much essential if you plan to go in.January in Blarney has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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 Blarney's climate page.
Blarney Temperature in January
Min Temperature
4°C (39°F)
Max Temperature
10°C (50°F)
Water Temperature
9°C (48°F) *
Chance of Rain
70%
Precipitation
91 mm (3.6 in)
Rainy days
21 days
Humidity
83% *
Windspeed
6 m/s (12 knots) *
Sunshine
57 hours *
Percentage Sunshine
22% *
Daily Historical Temperatures
50-year average (1976-2026)
Based on our historical records, temperatures in Blarney typically stay consistent throughout January, with daily highs averaging around 10°C (50°F). Nights are cold, with lows around 4°C (39°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 Blarney in January
Browse day-by-day weather records for Blarney spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Blarney historical weather extremes in January
Based on 25 years of weather observations (2000-2025), these are the most extreme conditions recorded in Blarney.
- On January 26, 2003, temperatures climbed to 16°C (61°F), marking the warmest January day on record.
- The lowest daytime temperature in January was 0°C (32°F), recorded on January 9, 2010.
- The coldest night in January in Blarney was on January 9, 2010, with a minimum of -5°C (23°F).
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
pleasant
tolerable
unpleasant
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What to Wear in Blarney in January
Dress warmly and in layers for your trip to Blarney 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. With water temperatures around 9°C (48°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Blarney 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 Blarney's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Blarney climate overview or explore weather in Ireland.
