Westport Weather in January
In Westport, January brings low daytime temperatures around 9°C (48°F), with nights cooling to 4°C (39°F). Expect quite a bit of rainfall this month.
Rainfall in Westport in January
The climate data from previous years indicates about 24 days of rain, averaging 127 mm (5 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Westport in January
Westport in January gets highs of 9°C (48°F) during the day and drops to 4°C (39°F) at night. The month of January belongs to the winter season. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. Nights drop to 4°C (39°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. January usually brings the most temperate weather conditions of the year.
Sunshine in Westport in January
The city usually sees around 45 hours of sunlight, indicating fewer sunny days.If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Westport. 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 Westport's climate page.
Westport Temperature in January
Min Temperature
4°C (39°F)
Max Temperature
9°C (48°F)
Chance of Rain
80%
Precipitation
127 mm (5 in)
Rainy days
24 days
Humidity
90% *
Sunshine
45 hours *
Percentage Sunshine
22% *
Daily Historical Temperatures
50-year average (1976-2026)
Based on our historical records, temperatures in Westport 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 Westport in January
Browse day-by-day weather records for Westport spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Westport historical weather extremes in January
Based on 25 years of weather observations in Westport between 2000 and 2025, these are the recorded extremes.
- On January 26, 2003, temperatures climbed to 13°C (55°F), marking the warmest January day on record.
- On January 8, 2010, Westport saw its coldest January day with temperatures maxing out at 0°C (32°F).
- The coldest night in January in Westport was on January 9, 2010, with a minimum of -8°C (18°F).
- The heaviest January precipitation occurred on January 31, 2004, when 27 mm (1.1 in) of precipitation fell.
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 Westport in January
We recommend to layer up for chilly conditions in Westport 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Westport 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 Westport's climate page.
Temperature Rainfall Sunshine Humidity
See the full Westport climate overview or explore weather in Ireland.
