Portstewart weather in June 2023

  • 16°C maximum daytime temperature in June in Portstewart16
    16°C max day temperature
  • 5 hours of sunshine per day
  • 16 days with some rainfall in June in Portstewart16
    16 days with some rainfall
  • 8°C minimum night-time temperature in June in Portstewart8
    8°C min night temperature
  • 17 hours of daylight per day in June in Portstewart17
    17 hours of daylight per day
  • No heat & humidity in June in Portstewart0
    No heat & humidity
  • 70 mm monthly rainfall in June in Portstewart70
    70 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in June in Portstewart5
    5 (Moderate) UV index
  • 11°C sea temperature in June in Portstewart11
    11°C sea temperature
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Recommended for Northern Ireland

The June weather guide for Northern Ireland (Portstewart) 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.

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Metric (°C / mm)  |  Imperial (°F / inches)

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More about the UK

How warm is it in Portstewart in June?

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

How sunny is it in Portstewart in June?

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

Is the sea cold around Portstewart in June?

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

Does it rain in Portstewart in June?

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

Portstewart June sunrise & sunset times

Browse the sunrise and sunset times for Portstewart in June 2023. Select a month to view Portstewart sunrise and sunset times for the next 12 months.


Date Sunrise times Sunset times
Thursday, 1st June 2023 04:55 21:56
Thursday, 15th June 2023 04:46 22:09
Friday, 30th June 2023 04:50 22:10

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