Waterville Weather in January
January in Waterville brings low temperatures around 10°C (50°F) during the day, dropping to 6°C (43°F) at night, with quite a bit of rainfall expected, averaging around 164 mm (6.5 in) for the month.
Rainfall in Waterville in January
This month experiences about 24 days of rain according to historical data, averaging 164 mm (6.5 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 Waterville in January
In January, Waterville gets low temperatures, with highs of 10°C (50°F). Nights cool to around 6°C (43°F). It stays cool throughout the day, so warm layers are a good idea from morning to evening. At 6°C (43°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions. Experience the mildest weather of the year in January.
Sunshine in Waterville in January
The month is characterized by fewer sunny days, with roughly 44 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.
Wind Speed in Waterville in January
Average wind conditions reach 6 m/s (12 knots) in January. This creates notably windy weather that is clearly felt and can influence daily activities. Keep in mind this is an average. Some days are less intense, while others can be quite gusty.
Average water temperature in January
At 10°C (50°F), the water is very cold. Most people find it too uncomfortable for anything beyond a brief wade.If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Waterville. 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 Waterville's climate page.
Waterville Temperature in January
Min Temperature
6°C (43°F)
Max Temperature
10°C (50°F)
Water Temperature
10°C (50°F) *
Chance of Rain
80%
Precipitation
164 mm (6.5 in)
Rainy days
24 days
Humidity
78% *
Windspeed
6 m/s (12 knots) *
Sunshine
44 hours *
Percentage Sunshine
19% *
Daily Historical Temperatures
50-year average (1976-2026)
Based on our historical records, temperatures in Waterville typically stay consistent throughout January, with daily highs averaging around 10°C (50°F). Nights are cold, with lows around 5°C (41°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 Waterville in January
Browse day-by-day weather records for Waterville spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Waterville historical weather extremes in January
Based on 25 years of weather observations in Waterville between 2000 and 2025, these are the recorded extremes.
- The hottest January day on record in Waterville reached 15°C (59°F) (January 1, 2022).
- On January 10, 2010, Waterville saw its coldest January day with temperatures maxing out at 2°C (36°F).
- Waterville registered its coldest January night on January 2, 2010, with temperatures dropping to -4°C (25°F).
- The wettest day in January Waterville was on January 12, 2010 with 58 mm (2.3 in) of precipitation.
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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tolerable
unpleasant
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What to Wear in Waterville in January
The weather can be unpredictable in January, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Expect water temperatures of around 10°C (50°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.What To Do in Waterville 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 Waterville's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Waterville climate overview or explore weather in Ireland.
