Castlerock weather
Our guide to the weather in Castlerock during June
We've looked at the most up-to-date weather data for Castlerock, 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 Castlerock weather in June.
What's the temperature like in Castlerock during June?
The temperature reaches around 15℃ during the daytime in June, falling away to 10℃ 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 Castlerock during June?
On average, there will be 9 rainy days during the month, amounting to 122.4mm 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 Castlerock during June?
You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during June. With moderate air temperatures, any breeze will feel cool.
Weather in Castlerock
Our month-by-month guide to the weather and climate in Castlerock
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