Greencastle Weather in August

August in Greencastle brings pleasant temperatures, with highs of 19°C (66°F) and nights dropping to 11°C (52°F). It's the rainiest month of the year, so come prepared with waterproof gear.

Rainfall in Greencastle in August

This is the wettest month of the year, so having an umbrella ready is a smart choice. On average, there are about 20 days with rain during this month, averaging 102 mm (4 in). Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Greencastle in August

Expect highs of 19°C (66°F) in Greencastle in August, with nights dropping to around 11°C (52°F). The month of August belongs to the summer season. Conditions are often most pleasant around the middle of the day. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Greencastle in August

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

If you prefer dry days with pleasant temperatures, June and July typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit the United Kingdom, check out our Greencastle's climate page.

Greencastle Temperature in August

Min Temperature 11°C (52°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 66%  

Precipitation 102 mm (4 in)  

Rainy days 20 days  

Sunshine 140 hours *  

Percentage Sunshine *  

* Data from: Derry, Ireland (38 KM, 23 Miles).

What to Wear in Greencastle in August

Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Greencastle in August

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

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Greencastle's climate page.

More climate data for Greencastle

Temperature Rainfall Sunshine

See the full Greencastle climate overview or explore weather in the United Kingdom.