Killiney weather

Our guide to the weather in Killiney during October

14

Average high

3

UV Index

125mm

Monthly rainfall

83%

Humidity

We've looked at the most up-to-date weather data for Killiney, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Killiney weather in October.

What's the temperature like in Killiney during October?

The temperature is extremely stable in October with average highs of 14℃ and lows just 4℃ lower at 10℃. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Killiney during October?

On average, there will be 8 rainy days during the month, amounting to 125.2mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Killiney during October?

Expect moderate breeze becoming stronger at times during October, with occasional gusts up to 20mph. With moderate air temperatures, any breeze will feel cool.

Join the club...

Be the first to hear about discounted holidays, flash sales and amazing travel competitions to Killiney!

Weather in Killiney

Our month-by-month guide to the weather and climate in Killiney

7.6

Killiney weather in

January
7.9

Killiney weather in

February
9.0

Killiney weather in

March
10.4

Killiney weather in

April
12.8

Killiney weather in

May
15.4

Killiney weather in

June
17.2

Killiney weather in

July
17.1

Killiney weather in

August
15.7

Killiney weather in

September
13.5

Killiney weather in

October
10.4

Killiney weather in

November
8.2

Killiney weather in

December