Best year time to visit Slane

General weather information about Slane

Average annual temperature is 10.3 °C

Absolute maximum temperature: 26.2 °C

Absolute minimum temperature: -3.5 °C

Number of sunny days: 84 days

Number of rainy days: 280 days

Number of snow days: 1 day

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

Slane air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.513.915.318.319.824.321.323.526.221.413.412.3
Average daytime temperature (°C)7.79.69.612.316.119.317.618.618.214.39.28.6
Average temperature (°C)5.37.16.58.512.115.714.415.014.411.26.66.7
Average night temperature (°C)3.24.63.55.08.111.911.211.711.08.23.94.5
Absolute minimum temperature (°C)-3.5-2.1-2.9-0.24.67.18.28.53.91.4-3.0-3.4

Slane 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)3.73.44.97.49.611.38.78.76.95.35.02.1
Precipitation (mm)612014211259861501151161136996
Sunny days1014141212128794
Rainy days201430261918302922242127
Snow days100000000000

Slane - weather forecast by months

Slane weather in januarySlane weather in februarySlane weather in marchSlane weather in aprilSlane weather in maySlane weather in juneSlane weather in julySlane weather in augustSlane weather in septemberSlane weather in octoberSlane weather in novemberSlane weather in december

Best time to visit Slane:

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

  • May — 9.6(h)
  • June — 11.3(h)
  • July — 8.7(h)
  • August — 8.7(h)

Months with the longest average daylight duration in Slane:

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

The largest precipitation sum in Slane is at

  • March — 142(mm)
  • July — 150(mm)

    • Weather forecast in the closest to Slane admin centers

    Weather forecast in the closest towns to Slane

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    Frequently asked questions

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