Castlebar weather in June 2026

Expect daytime maximum temperatures of 17°C in Castlebar, Ireland in June based on long-term weather averages. There are 5 hours of sunshine per day on average with 17 days with some rainfall and typically 70 mm of rainfall in the month.

  • 17°C maximum daytime temperature in June in Castlebar17
    17°C max day temperature
  • 5 hours of sunshine per day
  • 17 days with some rainfall in June in Castlebar17
    17 days with some rainfall
  • 9°C minimum night-time temperature in June in Castlebar9
    9°C min night temperature
  • 17 hours of daylight per day in June in Castlebar17
    17 hours of daylight per day
  • No heat & humidity in June in Castlebar0
    No heat & humidity
  • 70 mm monthly rainfall in June in Castlebar70
    70 mm of monthly rainfall
  • UV (maximum) index 6 (High) in June in Castlebar6
    6 (High) UV index

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The June weather guide for Ireland (Castlebar) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How warm is it in Castlebar in June?

Daytime temperatures usually reach 17°C in Castlebar in June, falling to 9°C at night.

How sunny is it in Castlebar in June?

There are normally 5 hours of bright sunshine each day in Castlebar in June - that's 29% of daylight hours.

Does it rain in Castlebar in June?

There are usually 17 days with some rain in Castlebar in June and the average monthly rainfall is 70mm.

Castlebar June sunrise & sunset times

Browse the sunrise and sunset times for Castlebar in June 2026. Select a month to view Castlebar sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st June 2026 04:13 20:58
Monday, 15th June 2026 04:05 21:10
Tuesday, 30th June 2026 04:10 21:12

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