ClimateForecastDecemberJanuary >>

Achill Sound Climate by Month

The weather in Achill Sound sees moderate temperature fluctuations over the course of a year. Temperatures can be mild 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 Achill Sound changes moderately throughout the year, offering enough variation to appreciate each season. On average, daytime temperatures range from a moderate 18°C in August to a chilly 10°C in February. Nighttime temperatures can drop, with averages reaching 5°C in February.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Achill Sound experiences significant rainfall throughout the year, averaging 1446 mm of precipitation annually. The amount of precipitation varies moderately throughout the year. The wettest month, December, sees around 154 mm of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, May, still receives a respectable 92 mm of rainfall.

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

Sunshine over the year

In Achill Sound, summer days are longer and more sunny, with daily sunshine hours peaking at 6.4 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: Belmullet, Ireland (34 KM, 21 Miles).

Daily hours of sunshine

Data from: Belmullet, Ireland (34 KM, 21 Miles).

The best time of year to visit Achill Sound in Ireland

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Achill Sound?
    Most rainfall (rainy season) is seen in November and December.
  • Which is the warmest month in Achill Sound?
    August has an average maximum temperature of 18°C and is the warmest month of the year.
  • Which is the coldest month in Achill Sound?
    The coldest month is February with an average maximum temperature of 10°C.
  • Which is the wettest month in Achill Sound?
    December tops the wettest month list with 154 mm of rainfall.
  • Which is the driest month in Achill Sound?
    May is the driest month with 92 mm of precipitation.
  • Which is the sunniest month in Achill Sound?
    May is the sunniest month with an average of 193 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 Achill Sound

    Sun   Dec 15
    12°C | 10°C
    SW 36 km/h
    3.2 mm
    overcast and  chance of rain

    overcast and chance of rain

    Mon   Dec 16
    11°C | 8°C
    SW 36 km/h
    1.8 mm
    broken clouds and  chance of rain

    broken clouds and chance of rain

    Tue   Dec 17
    13°C | 8°C
    S 40 km/h
    10 mm
    overcast and heavy rain

    overcast and heavy rain