Letterkenny weather in August (Donegal County, Ireland)

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

In August, Letterkenny generally has pleasant temperatures and high rainfall. August falls within the summer season. Anticipate daytime temperatures around 18°C, while night temperatures can drop to 12°C.

Letterkenny in August usually receives high rainfall, averaging around 115 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 20 days of the month will see rainfall.

The area enjoys a balanced 140 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

So this is a great month to visit if you prefer dry days with pleasant temperatures. May, July, August and September typically offer the most optimal weather. In contrast, January, February, November and December tend to have less optimal conditions.

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

 

Letterkenny, monthly averages in August

Min Temperature 12°C  

Max Temperature 18°C  

Chance of Rain 68%  

Precipitation 115 mm  

Rainy days 20 days  

Sunshine 140 hours *  

Percentage Sunshine *  

* Data from: Derry, Ireland (27 KM, 17 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.

Weather conditions Weather

Temperatures

Precipitation

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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 Letterkenny in August?

For visitors traveling to Letterkenny, 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 Letterkenny.

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.