Portstewart weather in August 2024

Expect 17°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Portstewart in August. Check more long-term weather averages for Portstewart in August before you book your next holiday to Northern Ireland in 2024/2025.

17
17°C max day temperature
4
4 hours of sunshine per day
19
19 days with some rainfall
10
10°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
92
92 mm of monthly rainfall
5
5 (Moderate) UV index
14
14°C sea temperature

More about Portstewart

Portstewart by month

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

Recommended for Northern Ireland

Sykes Cottages: Top offers on UK cottage holidays

Sale

Browse latest special offers on UK cottage holidays
Filter deals by region, price, party size & features
Alternative search for cottages by specific travel dates

Go to Sykes Cottages deal >>

View all Sykes Cottages offers

The August weather guide for Northern Ireland (Portstewart) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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

More about the UK

How warm is it in Portstewart in August?

Daytime temperatures usually reach 17°C in Portstewart in August, falling to 10°C at night.

How sunny is it in Portstewart in August?

There are normally 4 hours of bright sunshine each day in Portstewart in August - that's 28% of daylight hours.

How warm is the sea around Portstewart in August?

The average sea temperature around Portstewart in August is 14°C.

Does it rain in Portstewart in August?

There are usually 19 days with some rain in Portstewart in August and the average monthly rainfall is 92mm.

Portstewart August sunrise & sunset times

Browse the sunrise and sunset times for Portstewart in August 2024. Select a month to view Portstewart sunrise and sunset times for the next 12 months.

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