ClimateForecastDecemberJanuary >>

Roscommon Climate by Month

The weather in Roscommon 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 notably wet climate with much precipitation. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

The climate in Roscommon experiences moderate temperature changes, with mild shifts between seasons. Average daytime temperatures range from a pleasant 20°C in July, the warmest time of the year, to a chilly 9°C during cooler months like February. At night, temperatures typically average around 3°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Roscommon experiences significant rainfall throughout the year, averaging 1095 mm of precipitation annually. Year-round, Roscommon has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 100 mm, and the driest month, March, with 79 mm, is minimal.

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

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Roscommon. While May receives considerable daily sunshine with up to 5.2 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.2 hours of sunlight per day.

Monthly hours of sunshine

Data from: Claremorris, Ireland (53 KM, 32 Miles).

Daily hours of sunshine

Data from: Claremorris, Ireland (53 KM, 32 Miles).

The best time of year to visit Roscommon in Ireland

Other facts from our historical weather data:
  • Which is the warmest month in Roscommon?
    July has an average maximum temperature of 20°C and is the warmest month of the year.
  • Which is the coldest month in Roscommon?
    The coldest month is February with an average maximum temperature of 9°C.
  • Which is the wettest month in Roscommon?
    December tops the wettest month list with 100 mm of rainfall.
  • Which is the driest month in Roscommon?
    March is the driest month with 79 mm of precipitation.
  • Which is the sunniest month in Roscommon?
    May is the sunniest month with an average of 157 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 Roscommon

    Sun   Dec 15
    12°C | 10°C
    SW 32 km/h
    broken clouds and no rain

    broken clouds and no rain

    Mon   Dec 16
    11°C | 7°C
    SW 29 km/h
    0.4 mm
    partly cloudy and small chance of slight rain

    partly cloudy and small chance of slight rain

    Tue   Dec 17
    14°C | 7°C
    S 40 km/h
    3 mm
    overcast and rain

    overcast and rain