Newcastle weather in June 2026

Q: How warm is it in Newcastle in June?

Daytime temperatures usually reach 17°C in Newcastle in June, falling to 8°C at night.

Q: How sunny is it in Newcastle in June?

There are normally 6 hours of bright sunshine each day in Newcastle in June - that's 34% of daylight hours.

Q: How warm is the sea around Newcastle in June?

The average sea temperature around Newcastle in June is 12°C.

Q: Does it rain in Newcastle in June?

There are usually 15 days with some rain in Newcastle in June and the average monthly rainfall is 83mm.

Expect daytime maximum temperatures of 17°C in Newcastle, Northern Ireland in June based on long-term weather averages. There are 6 hours of sunshine per day on average with 15 days with some rainfall and typically 83 mm of rainfall in the month.

17
17°C max day temperature
6
6 hours of sunshine per day
15
15 days with some rainfall
8
8°C min night temperature
17
17 hours of daylight per day
0
No heat & humidity
83
83 mm of monthly rainfall
6
6 (High) UV index
12
12°C sea temperature

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The June weather guide for Northern Ireland (Newcastle) 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)