Castlerock Weather in March

March in Castlerock brings low temperatures, with daytime highs of 10°C (50°F) and nights around 5°C (41°F). Quite a bit of rainfall is expected, around 95 mm (3.7 in), so pack an umbrella.

Rainfall in Castlerock in March

On average, there are about 21 days with rain during this month, averaging 95 mm (3.7 in). Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Castlerock in March

Temperatures in Castlerock in March top out at 10°C (50°F) and drop to 5°C (41°F) overnight. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. Nights drop to 5°C (41°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Castlerock in March

The area enjoys a moderate level of sunlight, with around 100 hours. It's a good balance between sunny and cloudy days.

March in Castlerock has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.