Best year time to visit Roscommon

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

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)