Best year time to visit Castlebar

General weather information about Castlebar

Average annual temperature is 10.8 °C

Absolute maximum temperature: 25.4 °C

Absolute minimum temperature: -3.0 °C

Number of sunny days: 63 days

Number of rainy days: 300 days

Number of snow days: 2 days

Look at detailed online map of Castlebar

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

Castlebar air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.013.313.817.822.125.321.022.325.420.213.012.3
Average daytime temperature (°C)8.210.09.512.516.020.716.717.817.813.710.18.9
Average temperature (°C)6.17.86.89.212.416.614.315.114.411.17.97.3
Average night temperature (°C)3.95.34.15.88.612.711.712.611.28.85.65.5
Absolute minimum temperature (°C)-3.0-1.2-2.20.75.19.08.810.15.23.7-1.5-1.5

Castlebar monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)8.010.012.015.016.017.017.015.013.011.09.07.0
Daylight mean duration (h)8.19.811.914.016.017.016.514.812.710.68.67.5
Daylight minimum duration (h)7.08.010.013.015.016.015.013.011.09.07.07.0
Sunshine mean duration (h)2.72.94.57.08.511.18.38.76.74.44.02.2
Precipitation (mm)122651869353162199171130147136225
Sunny days5864118024672
Rainy days242025262022312926252329
Snow days200000000000

Castlebar - weather forecast by months

Castlebar weather in januaryCastlebar weather in februaryCastlebar weather in marchCastlebar weather in aprilCastlebar weather in mayCastlebar weather in juneCastlebar weather in julyCastlebar weather in augustCastlebar weather in septemberCastlebar weather in octoberCastlebar weather in novemberCastlebar weather in december

Best time to visit Castlebar:

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

  • May — 8.5(h)
  • June — 11.1(h)
  • July — 8.3(h)
  • August — 8.7(h)

Months with the longest average daylight duration in Castlebar:

  • May — 16.0(h)
  • June — 17.0(h)
  • July — 16.5(h)

The largest precipitation sum in Castlebar is at

  • March — 186(mm)
  • July — 199(mm)
  • December — 225(mm)

    • Weather forecast in the closest to Castlebar admin centers

    Weather forecast in the closest towns to Castlebar

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    Frequently asked questions

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