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Weather in Castlerock

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

6.9

Castlerock weather in

January
7.4

Castlerock weather in

February
8.6

Castlerock weather in

March
10.4

Castlerock weather in

April
12.4

Castlerock weather in

May
14.9

Castlerock weather in

June
16.1

Castlerock weather in

July
16.1

Castlerock weather in

August
15.0

Castlerock weather in

September
12.6

Castlerock weather in

October
9.6

Castlerock weather in

November
7.6

Castlerock weather in

December