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 17°C 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.

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

More about Newcastle

Newcastle by month

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

Recommended for Northern Ireland

Rural Retreats: Late availability on holiday cottages

Sale

Explore last minute deals on holiday cottages
Save on UK & Ireland holidays with late deals
Narrow search by selecting holiday preferences

Go to Rural Retreats deal >>

View all Rural Retreats offers

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)