Belfast
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Belfast Weather in August

Belfast in August averages 25°C (77°F) during the day and 14°C (57°F) at night. This is part of the summer season, and quite a bit of rainfall is expected this month.

Rainfall in Belfast in August

This month experiences about 11 days of rain according to historical data, averaging 94 mm (3.7 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Belfast in August

Belfast has excellent weather in August, with days reaching 25°C (77°F) and nights cooling to 14°C (57°F). During August, the summer season is in full swing. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 14°C (57°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.

If you're a fan of comfortable temperatures and drier conditions, August is a great time to visit.

Belfast Temperature in August

Min Temperature
14°C (57°F)
Max Temperature
25°C (77°F)
Chance of Rain
36%
Precipitation
94 mm (3.7 in)
Rainy days
11 days

Belfast Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Belfast - and find the best time to visit.

Best Places in the United States of America in August

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Belfast in August

For Belfast in August, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.

What To Do in Belfast in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    9/10
  • Walking
    9/10
  • Camping
    8/10
  • Outdoor sports
    9/10

Belfast 3-Day Forecast

More climate data for Belfast

Popular in August

Where to go in August - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.