ClimateForecastDecemberJanuary >>

Waterville Climate by Month

The weather in Waterville sees moderate temperature fluctuations over the course of a year. Temperatures can be pleasant at the high end to roughly cold at the low end. It also has a relatively rainy climate with high levels of precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

The weather in Waterville changes moderately throughout the year, offering enough variation to appreciate each season. On average, daytime temperatures range from a pleasant 18°C in August to a chilly 10°C in February. Nighttime temperatures can drop, with averages reaching 6°C in February.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Waterville experiences significant rainfall throughout the year, averaging 1550 mm of precipitation annually. The amount of precipitation varies moderately throughout the year. The wettest month, December, sees around 173 mm of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, June, still receives a respectable 98 mm of rainfall.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

In Waterville, summer days are longer and more sunny, with daily sunshine hours peaking at 6.0 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.3 hours per average day.

Monthly hours of sunshine

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

Daily hours of sunshine

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

Average water temperature

The mean water temperature over the year in Waterville ranges from 9°C in March to 15°C in July.

Water temperature over the year

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

The best time of year to visit Waterville in Ireland

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Waterville?
    Most rainfall (rainy season) is seen in January, October, November and December.
  • Which is the warmest month in Waterville?
    August has an average maximum temperature of 18°C and is the warmest month of the year.
  • Which is the coldest month in Waterville?
    The coldest month is February with an average maximum temperature of 10°C.
  • Which is the wettest month in Waterville?
    December tops the wettest month list with 173 mm of rainfall.
  • Which is the driest month in Waterville?
    June is the driest month with 98 mm of precipitation.
  • Which is the sunniest month in Waterville?
    May is the sunniest month with an average of 180 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Waterville

    Wed   Dec 11
    6°C | 0°C
    NE 11 km/h
    overcast and no rain

    overcast and no rain

    Thu   Dec 12
    7°C | -1°C
    E 11 km/h
    overcast and no rain

    overcast and no rain

    Fri   Dec 13
    8°C | 1°C
    N 7 km/h
    partly cloudy and no rain

    partly cloudy and no rain