Greencastle weather in August (Donegal County, Ireland)

Curious about the August weather in Greencastle? Check out this comprehensive weather guide.

In August, Greencastle typically experiences moderate temperatures and high rainfall. Throughout the daytime, temperatures often hover around 17°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 13°C. On average, it has the peak temperatures of the year.

Greencastle in August usually receives high rainfall, averaging around 120 mm for the month. Typically around 20 days of rainfall is expected.

The city usually sees around 140 hours of sunlight, indicating a moderately sunny period.

If you're inclined towards comfortable temperatures and drier conditions, August is a prime time to visit Greencastle. April, May, June, July, August, September and October typically offer the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

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

 

Greencastle, monthly averages in August

Min Temperature 13°C  

Max Temperature 17°C  

Chance of Rain 66%  

Precipitation 120 mm  

Rainy days 20 days  

Sunshine 140 hours *  

Percentage Sunshine *  

* Data from: Derry, Ireland (31 KM, 19 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 Greencastle in August?

For visitors traveling to Greencastle, 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

5/10

Cycling

5/10

Walking

5/10

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 Greencastle.

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.