Portrush Weather in August

Thinking of visiting Portrush in August? Expect moderate temperatures reaching 17°C (63°F) during the day, dropping to 13°C (55°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Portrush in August

You can expect rain on around 20 days based on historical patterns, with 110 mm (4.3 in) average for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Portrush in August

In August, Portrush gets moderate temperatures, with highs of 17°C (63°F). Nights cool to around 13°C (55°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 13°C (55°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. On average, it sees the highest temps of the year.

Sunshine in Portrush in August

The month brings about 140 hours of sunlight, offering a comfortable mix of sun and overcast.

If you prefer dry days with pleasant temperatures, June typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.