Best time to visit Portrush

Find the best time to visit Portrush and plan your perfect trip in 2024/2025. Get holiday inspiration, weather guides, travel advice and find great deals.

Portrush by month

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

Recommended for Northern Ireland

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When is the best time to visit Portrush?

The best time to visit Portrush is May based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • 7°C maximum daytime temperature in January in Portrush7
    Jan
  • 7°C maximum daytime temperature in February in Portrush7
    Feb
  • 9°C maximum daytime temperature in March in Portrush9
    Mar
  • 11°C maximum daytime temperature in April in Portrush11
    Apr
  • 13°C maximum daytime temperature in May in Portrush13
    May
  • 16°C maximum daytime temperature in June in Portrush16
    Jun
  • 17°C maximum daytime temperature in July in Portrush17
    Jul
  • 17°C maximum daytime temperature in August in Portrush17
    Aug
  • 15°C maximum daytime temperature in September in Portrush15
    Sep
  • 13°C maximum daytime temperature in October in Portrush13
    Oct
  • 9°C maximum daytime temperature in November in Portrush9
    Nov
  • 8°C maximum daytime temperature in December in Portrush8
    Dec

Hours of Sunshine (daily)

  • Jan
  • Feb
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  • Apr
  • May
  • Jun
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Best time to visit

The weather guide for Northern Ireland (Portrush) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

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

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Which is the warmest month in Portrush?

The warmest time of year in Portrush is normally July. Expect maximum daytime temperatures to reach 17°C.

Which month has the most rain in Portrush?

In terms of rainfall, October is usually the wettest month in Portrush with 124mm on average. There are normally 22 days in October with some rain.

When is it sunniest in Portrush?

The sunniest time of year in Portrush is normally May with bright sunshine on average for 35% of daylight hours; that's 6 hours of sunshine per day.

When is the sea warmest in Portrush?

The sea is usually at its warmest in Portrush in September when the water temperature reaches 14°C.

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