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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.
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Portrush by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Northern Ireland
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]
Change the criteria to reflect your weather preferences.
Max Day Temperature (°C)
- 7Jan
- 7Feb
- 9Mar
- 11Apr
- 13May
- 16Jun
- 17Jul
- 17Aug
- 15Sep
- 13Oct
- 9Nov
- 8Dec
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.
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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