Antrim County Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Antrim County, the United Kingdom in August.

Planning a getaway to Antrim County, the United Kingdom this August and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Antrim County in August

Antrim County, the United Kingdom is a region in the United Kingdom. August in Antrim County generally has temperatures that range from mild to pleasant, with precipitation levels ranging from moderate to high. It's the height of summer.

Temperatures

The average highest temperatures fluctuate between mild in Ballintoy at 16°C (61°F) to pleasant in Aghalee at 20°C (68°F). Nighttime temperatures generally drop to 12°C (54°F) in Aghalee and 13°C (55°F) in Ballintoy. On average, August is the month with the highest temperature of the year in Antrim County, the United Kingdom.

To learn more about the conditions in specific areas of Antrim County, the United Kingdom, check out the map below.

Precipitation

In August, precipitation varies across different areas. From moderate rainfall in Aghalee with an average of 89 mm (3.5 in) to high rainfall in Portrush with 110 mm (4.3 in).

Average sunshine

Sunshine levels are moderate in most locations. Belfast typically sees 139 hours of sunlight, creating comfortable conditions that aren't too bright or too dim. Looking for something sunnier? Our weather planner helps you discover destinations with more reliable sunshine.

Explore Antrim County by month

Pick a month to see the average temperature, rainfall and sunshine in Antrim County — and find the best time to visit. (based on Belfast)

Best Places to Visit in Antrim County in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Antrim County.

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).

Popular Destinations in Antrim County

What is the weather like in August for some of the most popular destinations in Antrim County, the United Kingdom?

Temperature range in Antrim County (August)

Precipitation variation in Antrim County (August)

Belfast

In August Belfast generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 12°C (54°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

July
August
September
Max temperature
19°C (66°F)
19°C (66°F)
17°C (63°F)
Min temperature
12°C (54°F)
12°C (54°F)
11°C (52°F)
Monthly sun hours
148 hours
139 hours
109 hours
Monthly rainfall
93 mm (3.7 in)
92 mm (3.6 in)
83 mm (3.3 in)
Monthly rainy days
15 days
17 days
17 days
Weather conditions

Portrush

In August Portrush generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 13°C (55°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

July
August
September
Max temperature
16°C (61°F)
17°C (63°F)
16°C (61°F)
Min temperature
12°C (54°F)
13°C (55°F)
12°C (54°F)
Monthly sun hours
141 hours
140 hours
118 hours
Monthly rainfall
102 mm (4 in)
110 mm (4.3 in)
108 mm (4.3 in)
Monthly rainy days
18 days
20 days
20 days
Weather conditions

Bushmills

In August Bushmills generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 13°C (55°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

July
August
September
Max temperature
16°C (61°F)
17°C (63°F)
16°C (61°F)
Min temperature
12°C (54°F)
13°C (55°F)
12°C (54°F)
Monthly sun hours
141 hours
140 hours
118 hours
Monthly rainfall
99 mm (3.9 in)
107 mm (4.2 in)
107 mm (4.2 in)
Monthly rainy days
18 days
20 days
20 days
Weather conditions

Cushendall

In August Cushendall generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 12°C (54°F) and high monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
17°C (63°F)
18°C (64°F)
16°C (61°F)
Min temperature
12°C (54°F)
12°C (54°F)
11°C (52°F)
Monthly sun hours
148 hours
139 hours
109 hours
Monthly rainfall
99 mm (3.9 in)
103 mm (4.1 in)
93 mm (3.7 in)
Monthly rainy days
18 days
19 days
20 days
Weather conditions

Ballycastle

In August Ballycastle generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 13°C (55°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

July
August
September
Max temperature
16°C (61°F)
17°C (63°F)
16°C (61°F)
Min temperature
12°C (54°F)
13°C (55°F)
12°C (54°F)
Monthly sun hours
148 hours
139 hours
109 hours
Monthly rainfall
98 mm (3.9 in)
105 mm (4.1 in)
105 mm (4.1 in)
Monthly rainy days
18 days
19 days
20 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Antrim County, in the United Kingdom.

Popular cities in August

Day & night temperatures, rainfall and average weather in Antrim County in August.

City Weather Day temp Night temp Rainfall
Belfast 19°C (66°F) 12°C (54°F) 92 mm (3.6 in)
Portrush 17°C (63°F) 13°C (55°F) 110 mm (4.3 in)
Bushmills 17°C (63°F) 13°C (55°F) 107 mm (4.2 in)
Cushendall 18°C (64°F) 12°C (54°F) 103 mm (4.1 in)
Ballycastle 17°C (63°F) 13°C (55°F) 105 mm (4.1 in)
Ballymoney 18°C (64°F) 12°C (54°F) 108 mm (4.3 in)

Antrim County weather in August: frequently asked questions

What is the weather like in Antrim County, the United Kingdom in August?

Expect pleasant weather across Antrim County, the United Kingdom in August. The popular destination of Belfast averages 19°C (66°F) by day and 12°C (54°F) at night during this summer month.

What is the average temperature in Antrim County, the United Kingdom in August?

Belfast averages a daytime maximum of 19°C (66°F) in August, with overnight lows close to 12°C (54°F).

Does Antrim County, the United Kingdom get a lot of rain in August?

Not particularly. Belfast averages just 92 mm (3.6 in) of rain in August, making it a mostly dry month for Antrim County, the United Kingdom.

Is August a Good Time to Visit Antrim County, the United Kingdom?

We believe that August is one of the best times to visit Antrim County, the United Kingdom with overall pleasant weather in Belfast. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit Antrim County, the United Kingdom is in July and August with generally pleasant weather in Belfast. The weather in January, February, March and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Antrim County.

Weather and climate has detailed information for every country in the world. Are you going to the United Kingdom? Get detailed historical weather averages for many cities in the United Kingdom.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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