Killiney weather

Our guide to the weather in Killiney during May

13

Average high

4

UV Index

74mm

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 May.

What's the temperature like in Killiney during May?

The temperature reaches around 13℃ during the daytime in May, falling away to 8℃ at night. 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 May?

On average, there will be 6 rainy days during the month, amounting to 73.6mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Killiney during May?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during May. With moderate air temperatures, any breeze will feel cool.

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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