Greencastle
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Greencastle Weather in May

May in Greencastle brings moderate temperatures around 13°C (55°F) during the day, dropping to 9°C (48°F) at night, with the driest conditions of the year.

Rainfall in Greencastle in May

As the driest month, it's a good time for hiking and exploring the area, even if you'll need to layer up. Typically, about 18 days will experience rainfall, with an average of 86 mm (3.4 in) for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Greencastle in May

Daytime temperatures in Greencastle reach 13°C (55°F) in May, dropping to 9°C (48°F) at night. Conditions are often most pleasant around the middle of the day. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Greencastle in May

There are approximately 203 hours of sunshine this month, resulting in mostly clear days. Despite the cool temperatures, the sunshine makes it an enjoyable time to be outside.

If your ideal day consists of dry skies and pleasant temperatures, April, May, June, July, August, September and October typically offer the best circumstances for Greencastle.

Greencastle Temperature in May

Min Temperature
9°C (48°F)
Max Temperature
13°C (55°F)
Chance of Rain
58%
Precipitation
86 mm (3.4 in)
Rainy days
18 days
Sunshine
203 hours *
Percentage Sunshine
*
* Data from: Derry, Ireland (31 KM, 19 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 Ireland in May

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

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 May

Pack for changing conditions in Greencastle in May. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Greencastle in May

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

  • Swimming
    4/10
  • Cycling
    6/10
  • Walking
    6/10
  • Camping
    4/10
  • Outdoor sports
    6/10

Greencastle 3-Day Forecast

More climate data for Greencastle

Popular in May

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

Bucket list

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