Letterkenny weather

Our guide to the weather in Letterkenny during October

13

Average high

2

UV Index

79mm

Monthly rainfall

89%

Humidity

We've looked at the most up-to-date weather data for Letterkenny, 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 Letterkenny weather in October.

What's the temperature like in Letterkenny during October?

The temperature reaches around 13℃ during the daytime in October, falling away to 6℃ at night. The UV index will be low at this time of year, so not something to worry about. However, if you're going to be outside for long periods it's always a good idea to apply a small amount of sunscreen to exposed skin.

Does it rain in Letterkenny during October?

On average, there will be 8 rainy days during the month, amounting to 79.1mm 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 Letterkenny during October?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during October. 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 Letterkenny!

Weather in Letterkenny

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

6.2

Letterkenny weather in

January
7.3

Letterkenny weather in

February
9.1

Letterkenny weather in

March
11.7

Letterkenny weather in

April
13.8

Letterkenny weather in

May
16.5

Letterkenny weather in

June
17.6

Letterkenny weather in

July
17.1

Letterkenny weather in

August
15.5

Letterkenny weather in

September
12.6

Letterkenny weather in

October
8.9

Letterkenny weather in

November
6.4

Letterkenny weather in

December