Letterkenny weather
Our guide to the weather in Letterkenny during December
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 December.
What's the temperature like in Letterkenny during December?
It's cold in Letterkenny during December. The temperature tops out at around 6℃ during the day, falling away to 2℃ 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 snow in Letterkenny during December?
Possibly. There's a chance of snow during December but not as much as you might think. Check the local forecast before you leave home so that you can pack appropriate footwear and clothing.
Does it rain in Letterkenny during December?
On average, there will be 9 rainy days during the month, amounting to 78.4mm 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 December?
You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during December. With cool air temperatures, any breeze will feel cold.
Weather in Letterkenny
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December