Donegal weather in August (Donegal County, Ireland)

How is the weather in Donegal in August? Here's what the weather might have in store during this month.

In August, Donegal typically experiences pleasant temperatures and high rainfall. August falls within the summer season. Throughout the daytime, temperatures often hover around 18°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 11°C.

Donegal in August usually receives high rainfall, averaging around 124 mm for the month. Typically around 21 days of rainfall is expected.

The area experiences a moderate amount of sunshine, with approximately 140 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

If you favor pleasant temperatures and minimal rainfall, August is one of the better months to visit Donegal. July and August typically offer the most agreeable circumstances. On the other hand, January, February, March, November and December tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Donegal climate page with graphs.

 

Donegal, monthly averages in August

Min TemperatureMin Temperature 11°C  
Max TemperatureMax Temperature 18°C  
Chance of RainChance of Rain 69%  
PrecipitationPrecipitation 124 mm  
Rainy daysRainy days 21 days  
SunshineSunshine 140 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Derry, Ireland (63 KM, 39 Miles).

Where to go in Ireland in August

Find out more about the weather in Ireland in August and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Donegal in August?

For visitors traveling to Donegal, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Swimming
6/10
Cycling
9/10
Walking
9/10
Camping
6/10
Outdoor sports
9/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Donegal.

Our site offers climate and forecast data for every country in the world. Are you going to Ireland? On this website you can find 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 climate conditions. Find out where to go with our weather planner.