Swords Weather in January
Swords in January sees low temperatures, with highs around 9°C (48°F) and overnight lows of 4°C (39°F). Rainfall is fairly high at around 72 mm (2.8 in) on average, so pack waterproofs just in case.
Rainfall in Swords in January
Analyzing past climate data, one can expect approximately 18 days of rain, averaging 72 mm (2.8 in). This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.
Temperature in Swords in January
January in Swords brings typical temperatures with highs around 9°C (48°F) and lows of 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 lows around 4°C (39°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep. On average, January has the most moderate temperatures of the year.
Sunshine in Swords in January
The month is characterized by fewer sunny days, with roughly 56 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.
Wind Speed in Swords in January
January sees wind speeds averaging 6 m/s (12 knots). You'll experience strong winds that cause whole trees to sway and require effort when walking against them. As an average, expect variation from moderate breezes to particularly windy days that affect daily routines.
Average water temperature in January
The water sits at 10°C (50°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.January in Swords has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options 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 Swords's climate page.
Swords Temperature in January
Min Temperature
4°C (39°F)
Max Temperature
9°C (48°F)
Water Temperature
10°C (50°F) *
Chance of Rain
61%
Precipitation
72 mm (2.8 in)
Rainy days
18 days
Humidity
81% *
Windspeed
6 m/s (12 knots) *
Sunshine
56 hours *
Percentage Sunshine
25% *
Daily Historical Temperatures
50-year average (1976-2026)
Based on our historical records, temperatures in Swords typically stay consistent throughout January, with daily highs averaging around 9°C (48°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 Swords in January
Browse day-by-day weather records for Swords spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Swords historical weather extremes in January
Based on 25 years of weather observations in Swords between 2000 and 2025, these are the recorded extremes.
- The warmest day in January was on January 24, 2016, with a maximum of 15°C (59°F).
- The coldest January day was on January 7, 2010, with a maximum of -3°C (27°F).
- Swords registered its coldest January night on January 8, 2010, with temperatures dropping to -9°C (16°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
poor
What to Wear in Swords in January
We recommend to layer up for chilly conditions in Swords in January. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Rain is likely on several days, so bring a good rain jacket. The water temperature sits at about 10°C (50°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.What To Do in Swords 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 Swords's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Swords climate overview or explore weather in Ireland.
