Roundstone Weather in January
Roundstone in January sees low temperatures, with highs around 10°C (50°F) and overnight lows of 5°C (41°F). Rainfall is fairly high at around 160 mm (6.3 in) on average, so pack waterproofs just in case.
Rainfall in Roundstone in January
Typically, about 24 days will experience rainfall, with an average of 160 mm (6.3 in) for the month. 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 Roundstone in January
If you're visiting Roundstone in January, expect highs of 10°C (50°F) and overnight lows around 5°C (41°F). Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights fall to 5°C (41°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 has the coolest temperatures of the year, but still offering mild weather.
Sunshine in Roundstone in January
With limited sunshine this month, there are about 45 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, July and August typically offer the best weather for Roundstone.
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 Roundstone's climate page.
Roundstone Temperature in January
Min Temperature
5°C (41°F)
Max Temperature
10°C (50°F)
Chance of Rain
80%
Precipitation
160 mm (6.3 in)
Rainy days
24 days
Humidity
90% *
Sunshine
45 hours *
Percentage Sunshine
22% *
Daily Historical Temperatures
47-year average (1976-2026)
Based on our historical records, temperatures in Roundstone 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
47-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 Roundstone in January
Browse day-by-day weather records for Roundstone spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Roundstone historical weather extremes in January
The extremes listed below come from historical weather data collected in Roundstone from 2000 through 2025.
- Roundstone recorded its highest January temperature of 15°C (59°F) on January 26, 2003.
- The lowest daytime temperature in January was 1°C (34°F), recorded on January 26, 2000.
- Nighttime temperatures dropped to -7°C (19°F) on January 1, 2002, marking the coldest January night on record.
- Peak precipitation in January occurred on January 24, 2014, when 39 mm (1.5 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
pleasant
tolerable
unpleasant
poor
What to Wear in Roundstone in January
Cold weather calls for smart layering in January. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Roundstone 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 Roundstone's climate page.
Temperature Rainfall Sunshine Humidity
See the full Roundstone climate overview or explore weather in Ireland.
