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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.

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).

Greencastle Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Greencastle - and find the best time to visit.

Best Places in the United Kingdom in August

Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month. See all of the United Kingdom in August →

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).

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

Greencastle 3-Day Forecast

More climate data for Greencastle

Popular in August

Where to go in August - average daytime high across popular destinations.

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