Best time to visit Portstewart

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

Portstewart 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 Portstewart?

The best time to visit Portstewart is July and August based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]

Change the criteria to reflect your weather preferences.

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

Change criteria

Max Day Temperature (°C)

  • 7°C maximum daytime temperature in January in Portstewart7
    Jan
  • 7°C maximum daytime temperature in February in Portstewart7
    Feb
  • 9°C maximum daytime temperature in March in Portstewart9
    Mar
  • 11°C maximum daytime temperature in April in Portstewart11
    Apr
  • 13°C maximum daytime temperature in May in Portstewart13
    May
  • 16°C maximum daytime temperature in June in Portstewart16
    Jun
  • 17°C maximum daytime temperature in July in Portstewart17
    Jul
  • 17°C maximum daytime temperature in August in Portstewart17
    Aug
  • 15°C maximum daytime temperature in September in Portstewart15
    Sep
  • 13°C maximum daytime temperature in October in Portstewart13
    Oct
  • 9°C maximum daytime temperature in November in Portstewart9
    Nov
  • 8°C maximum daytime temperature in December in Portstewart8
    Dec

Which is the warmest month in Portstewart?

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

Which month has the most rain in Portstewart?

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

When is it sunniest in Portstewart?

The sunniest time of year in Portstewart 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 Portstewart?

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

Best time to visit

The weather guide for Northern Ireland (Portstewart) 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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