Weather in Roscommon in August

General weather information about Roscommon

Average annual temperature is 10.6 °C

Absolute maximum temperature: 25.6 °C

Absolute minimum temperature: -3.6 °C

Number of sunny days: 68 days

Number of rainy days: 295 days

Number of snow days: 2 days

Look at detailed online map of Roscommon

* Weather data for Roscommon Ireland is based on climate observations for 2026 year

Roscommon air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.414.014.318.322.525.621.722.725.420.613.112.5
Average daytime temperature (°C)7.99.79.512.716.620.917.218.318.013.79.78.7
Average temperature (°C)5.67.46.69.112.616.614.415.114.410.97.27.0
Average night temperature (°C)3.54.73.95.68.412.311.512.111.08.34.75.1
Absolute minimum temperature (°C)-3.6-1.9-2.1-0.65.79.19.19.15.12.4-2.2-2.8

Roscommon monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)8.010.012.015.016.017.016.015.013.011.09.07.0
Daylight mean duration (h)8.19.811.914.015.917.016.514.812.710.68.67.5
Daylight minimum duration (h)7.08.010.013.015.016.015.013.011.09.07.07.0
Sunshine mean duration (h)3.32.94.46.99.311.48.78.96.94.74.82.2
Precipitation (mm)85311801094810217316214414686153
Sunny days711221010006785
Rainy days241727282120313124242226
Snow days002000000000

Roscommon - weather forecast by months

Roscommon weather in januaryRoscommon weather in februaryRoscommon weather in marchRoscommon weather in aprilRoscommon weather in mayRoscommon weather in juneRoscommon weather in julyRoscommon weather in augustRoscommon weather in septemberRoscommon weather in octoberRoscommon weather in novemberRoscommon weather in december

Best time to visit Roscommon:

The best time to visit Roscommon during the most sunny months:

  • May — 9.3(h)
  • June — 11.4(h)
  • July — 8.7(h)
  • August — 8.9(h)

Months with the longest average daylight duration in Roscommon:

  • May — 15.9(h)
  • June — 17.0(h)
  • July — 16.5(h)

The largest precipitation sum in Roscommon is at

  • March — 180(mm)
  • July — 173(mm)
  • August — 162(mm)
  • December — 153(mm)

    • Weather forecast in the closest to Roscommon admin centers

    Weather forecast in the closest towns to Roscommon

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    Frequently asked questions

    When is the best time to visit Roscommon?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Roscommon.
    What is the weather like in Roscommon?
    See average temperature, rainfall and daylight hours for Roscommon by month in the table above.
    How many sunny days does Roscommon have?
    The monthly weather statistics above show sunshine and rainfall patterns for Roscommon throughout the year.