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Greencastle Weather in October

October in Greencastle averages 14°C (57°F) during the day and 10°C (50°F) at night. Quite a bit of rainfall is typical this month, with around 142 mm (5.6 in) on average. An umbrella is a good idea.

Rainfall in Greencastle in October

Typically around 22 days of rainfall are expected, averaging 142 mm (5.6 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Greencastle in October

In October, Greencastle sees moderate temperatures, with highs of 14°C (57°F). Nights drop to around 10°C (50°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Greencastle in October

The area experiences a moderate amount of sunshine, with approximately 103 hours of sunlight expected. This means a decent mix of sun and overcast.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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

Greencastle Temperature in October

Min TemperatureMin Temperature 10°C (50°F)  
Max TemperatureMax Temperature 14°C (57°F)  
Chance of RainChance of Rain 75%  
PrecipitationPrecipitation 142 mm (5.6 in)  
Rainy daysRainy days 22 days  
SunshineSunshine 103 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Derry, Ireland (31 KM, 19 Miles).

Best Places in Ireland in October

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

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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 (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 October

The weather can be unpredictable in October, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Greencastle in October

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

Swimming
5/10
Cycling
5/10
Walking
5/10
Camping
3/10
Outdoor sports
9/10

Select a Month

Check the conditions for any month of the year.

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

More climate data for Greencastle