Portstewart Weather in August

In Portstewart, August brings moderate daytime temperatures around 17°C (63°F), with nights cooling to 13°C (55°F). Expect quite a bit of rainfall this month.

Rainfall in Portstewart in August

Climate statistics over the past 30 years suggest around 20 days of rain, with 111 mm (4.4 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 Portstewart in August

Expect highs of 17°C (63°F) in Portstewart in August, with nights dropping to around 13°C (55°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to around 13°C (55°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable. On average, it has the peak temperatures of the year.

Sunshine in Portstewart in August

The area enjoys a balanced 140 hours of sunlight, ensuring it's neither too overcast nor too sunny.

Should you favor a climate that's both dry and comfortably warm, June typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.