Castlebar weather in April 2026

Expect daytime maximum temperatures of 12°C in Castlebar, Ireland in April based on long-term weather averages. There are 5 hours of sunshine per day on average with 17 days with some rainfall and typically 66 mm of rainfall in the month.

  • 12°C maximum daytime temperature in April in Castlebar12
    12°C max day temperature
  • 5 hours of sunshine per day
  • 17 days with some rainfall in April in Castlebar17
    17 days with some rainfall
  • 4°C minimum night-time temperature in April in Castlebar4
    4°C min night temperature
  • 14 hours of daylight per day in April in Castlebar14
    14 hours of daylight per day
  • No heat & humidity in April in Castlebar0
    No heat & humidity
  • 66 mm monthly rainfall in April in Castlebar66
    66 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in April in Castlebar4
    4 (Moderate) UV index

More about Castlebar

Castlebar by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Ireland

Cosmos: Tour deal finder - low prices

  • Explore best prices on Cosmos tours worldwide
  • Find deals on tour holidays in 2025/2026
  • Filter by price, destination, duration & more
Go to Cosmos deal >>

View all Cosmos offers

The April 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)

Back to top

More about Ireland

How warm is it in Castlebar in April?

Daytime temperatures usually reach 12°C in Castlebar in April, falling to 5°C at night.

How sunny is it in Castlebar in April?

There are normally 5 hours of bright sunshine each day in Castlebar in April - that's 37% of daylight hours.

Is the sea cold around Castlebar in April?

The average sea temperature around Castlebar in April is 8°C.

Does it rain in Castlebar in April?

There are usually 15 days with some rain in Castlebar in April and the average monthly rainfall is 47mm.

Castlebar April sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st April 2026 06:10 19:13
Wednesday, 15th April 2026 05:37 19:39
Thursday, 30th April 2026 05:03 20:07

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^