Waterville
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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.

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% *
* Data from: Valentia, Ireland (12 KM, 7 Miles).

Waterville Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Waterville - and find the best time to visit.

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 records 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
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Swimming
    4/10
  • Cycling
    5/10
  • Walking
    5/10
  • Camping
    3/10
  • Outdoor sports
    5/10

Waterville 3-Day Forecast

More climate data for Waterville

Popular in January

Where to go in January - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.