Belfast weather
Our guide to the weather in Belfast during August
We've looked at the most up-to-date weather data for Belfast, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Belfast weather in August.
What's the temperature like in Belfast during August?
The temperature reaches around 17℃ during the daytime in August, falling away to 11℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.
Does it rain in Belfast during August?
August is typically the wettest month in Belfast. On average, there will be 9 rainy days during the month, amounting to 141.7mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.
Is it windy in Belfast during August?
You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during August. With moderate air temperatures, any breeze will feel cool.
Belfast Blog posts
From the Ireland's most popular travel bloggers
Belfast staycation
9th August 2020 by The Daily S'elf
At a time when we’re all looking for staycation inspiration, it can be easy to overlook cities in favour of heading to the beach. But considering just about everyone else has had the same idea, now is actually a great time to find good value on hotels and eating out, especially in Northern Ireland. When looking for places to go near me, a Belfast staycation was an obvious choice - no need for an epic trek, just two hours in the car from Dublin....
Weather in Belfast
Our month-by-month guide to the weather and climate in Belfast
Belfast weather in
JanuaryBelfast weather in
FebruaryBelfast weather in
MarchBelfast weather in
AprilBelfast weather in
MayBelfast weather in
JuneBelfast weather in
JulyBelfast weather in
AugustBelfast weather in
SeptemberBelfast weather in
OctoberBelfast weather in
NovemberBelfast weather in
December