Newcastle weather in June 2025

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 63°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Newcastle in June. Check more long-term weather averages for Newcastle in June before you book your next holiday to Northern Ireland in 2025/2026.

63
63°F max day temperature
6
6 hours of sunshine per day
15
15 days with some rainfall
46
46°F min night temperature
17
17 hours of daylight per day
0
No heat & humidity
3.3
3.3 inches of monthly rainfall
6
6 (High) UV index
54
54°F 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) | Imperial (°F)