Donegal County Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Donegal County, Ireland in August.

Planning a getaway to Donegal County, Ireland 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 Donegal County in August

Donegal County, Ireland is a region in Ireland. August in Donegal County generally has pleasant temperatures, with high precipitation. August falls during the summer season.

Temperatures

You can expect pleasant maximum daytime temperatures of around 19°C (66°F) and nighttime temperatures around 12°C (54°F) in Bundoran.

For a closer look at conditions across Donegal County, Ireland, refer to the map below.

Precipitation

In August, precipitation varies across different areas. From high rainfall in Derry with an average of 107 mm (4.2 in) to high rainfall in Kincasslagh with 145 mm (5.7 in).

Explore Donegal County by month

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

Best Places to Visit in Donegal County in August

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

What is the weather like in August for some of the most popular destinations in Donegal County, Ireland?

Temperature range in Donegal County (August)

Precipitation variation in Donegal County (August)

Bundoran

In August Bundoran generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°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
19°C (66°F)
19°C (66°F)
17°C (63°F)
Min temperature
12°C (54°F)
12°C (54°F)
10°C (50°F)
Monthly rainfall
117 mm (4.6 in)
121 mm (4.8 in)
105 mm (4.1 in)
Monthly rainy days
19 days
20 days
22 days
Weather conditions

Donegal

In August Donegal generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 11°C (52°F) and high monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
19°C (66°F)
18°C (64°F)
17°C (63°F)
Min temperature
12°C (54°F)
11°C (52°F)
10°C (50°F)
Monthly sun hours
141 hours
140 hours
118 hours
Monthly rainfall
119 mm (4.7 in)
124 mm (4.9 in)
107 mm (4.2 in)
Monthly rainy days
20 days
21 days
22 days
Weather conditions

Letterkenny

In August Letterkenny generally has pleasant 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
19°C (66°F)
18°C (64°F)
17°C (63°F)
Min temperature
12°C (54°F)
12°C (54°F)
10°C (50°F)
Monthly sun hours
141 hours
140 hours
118 hours
Monthly rainfall
111 mm (4.4 in)
115 mm (4.5 in)
99 mm (3.9 in)
Monthly rainy days
19 days
20 days
22 days
Weather conditions

Buncrana

In August Buncrana generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°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
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
141 hours
140 hours
118 hours
Monthly rainfall
105 mm (4.1 in)
109 mm (4.3 in)
92 mm (3.6 in)
Monthly rainy days
19 days
20 days
21 days
Weather conditions

Moville

In August Moville 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
17°C (63°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
110 mm (4.3 in)
118 mm (4.6 in)
111 mm (4.4 in)
Monthly rainy days
18 days
20 days
21 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Donegal County, in Ireland.

Popular cities in August

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

City Weather Day temp Night temp Rainfall
Bundoran 19°C (66°F) 12°C (54°F) 121 mm (4.8 in)
Donegal 18°C (64°F) 11°C (52°F) 124 mm (4.9 in)
Letterkenny 18°C (64°F) 12°C (54°F) 115 mm (4.5 in)
Buncrana 19°C (66°F) 12°C (54°F) 109 mm (4.3 in)
Moville 17°C (63°F) 13°C (55°F) 118 mm (4.6 in)
Ballyliffin 18°C (64°F) 13°C (55°F) 107 mm (4.2 in)

Donegal County weather in August: frequently asked questions

What is the weather like in Donegal County, Ireland in August?

Expect tolerable weather across Donegal County, Ireland in August. The popular destination of Bundoran averages 19°C (66°F) by day and 12°C (54°F) at night during this summer month.

What is the average temperature in Donegal County, Ireland in August?

In Bundoran, the average daytime high in August is 19°C (66°F), while nighttime temperatures drop to around 12°C (54°F).

Does Donegal County, Ireland get a lot of rain in August?

Donegal County, Ireland sees substantial rainfall in August. Bundoran typically averages about 121 mm (4.8 in), a mix of wet and dry days, but bring an umbrella.

Is August a Good Time to Visit Donegal County, Ireland?

We believe that August is one of the best times to visit Donegal County, Ireland with overall tolerable weather in Bundoran. However, the weather conditions may vary depending on your destination.

On average, the best time to visit Donegal County, Ireland is in June, July and August with generally tolerable weather in Bundoran. On the other hand, the weather in January, February, March, November and December tend to be poor.

Interested in more climate information?

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

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

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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