Portrush weather in June 2025

Q: How warm is it in Portrush in June?

Daytime temperatures usually reach 16°C in Portrush in June, falling to 8°C at night.

Q: How sunny is it in Portrush in June?

There are normally 5 hours of bright sunshine each day in Portrush in June - that's 31% of daylight hours.

Q: Is the sea cold around Portrush in June?

The average sea temperature around Portrush in June is 11°C.

Q: Does it rain in Portrush in June?

There are usually 16 days with some rain in Portrush in June and the average monthly rainfall is 70mm.

Expect daytime maximum temperatures of 16°C in Portrush, Northern Ireland in June based on long-term weather averages. There are 5 hours of sunshine per day on average with 16 days with some rainfall and typically 70 mm of rainfall in the month.

16
16°C max day temperature
5
5 hours of sunshine per day
16
16 days with some rainfall
8
8°C min night temperature
17
17 hours of daylight per day
0
No heat & humidity
70
70 mm of monthly rainfall
5
5 (Moderate) UV index
11
11°C sea temperature

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The June weather guide for Northern Ireland (Portrush) 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)