Belfast Weather in August

Average temperatures, rainfall and packing tips for Belfast, United Kingdom in August

🌡️ Avg high

18°C

🌙 Avg low

11°C

🌧️ Rainfall

~140 mm

📊 Warmth rank

#2 of 12

August in Belfast at a glance

August in Belfast is typically mild, with average daytime highs around 18°C and nights near 11°C. It is one of the warmer months of Belfast's year.

August is typically the wettest month of the year in Belfast, with around 140 mm of rain - plan around showers.

What to pack for Belfast in August

Medium layers: long sleeves and a sweater
A light-to-medium jacket
A rain jacket or umbrella - this is one of the wetter months

Belfast - year at a glance

HighLow · August highlighted

Is August a good time to visit Belfast?

🧳 August is one of the most comfortable months to visit Belfast - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.

Other months in Belfast

August in other cities

← Belfast weather tomorrow (live)

FAQ

How hot is Belfast in August?

In August, Belfast averages a daytime high of about 18°C and a night-time low of around 11°C, based on recent historical data.

Does it rain in Belfast in August?

August is typically the wettest month of the year in Belfast, with around 140 mm of rain - plan around showers.

Is August a good time to visit Belfast?

August is one of the most comfortable months to visit Belfast - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.