Average monthly water temperature in Randalstown, the United Kingdom
On this page you find the mean water temperature over the year in Randalstown (Antrim County), the United Kingdom. Take a closer look at the water temperature patterns and what they mean for swimming and recreation.
Water temperatures in Randalstown stay on the cooler side throughout the year. The warmest month, August, averages 13°C (55°F).
The coldest water temperature month is February, averaging 7°C (45°F). These cooler conditions are not the best for swimming enthusiasts.
Randalstown Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Randalstown - and find the best time to visit.
Randalstown 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Randalstown climate overview or explore weather in the United Kingdom.
Popular this month
Where to go in September - average daytime high across popular destinations.
London
20°C (68°F) Bath19°C (66°F) Torquay19°C (66°F) Manchester
18°C (64°F) York19°C (66°F) Edinburgh17°C (63°F) Blackpool17°C (63°F) Glasgow17°C (63°F) 
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