Castlewellan weather

Our guide to the weather in Castlewellan during April

10

Average high

3

UV Index

67mm

Monthly rainfall

82%

Humidity

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

What's the temperature like in Castlewellan during April?

The temperature reaches around 10℃ during the daytime in April, falling away to 6℃ 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 Castlewellan during April?

April is typically the driest month in Castlewellan. On average, there will be 6 rainy days during the month, amounting to 66.8mm 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 Castlewellan during April?

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

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Weather in Castlewellan

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

7.0

Castlewellan weather in

January
7.3

Castlewellan weather in

February
8.4

Castlewellan weather in

March
10.2

Castlewellan weather in

April
12.6

Castlewellan weather in

May
15.2

Castlewellan weather in

June
16.8

Castlewellan weather in

July
16.6

Castlewellan weather in

August
15.1

Castlewellan weather in

September
12.8

Castlewellan weather in

October
9.7

Castlewellan weather in

November
7.6

Castlewellan weather in

December