Average monthly water temperature in Newcastle, Jamaica
On this page you find the mean water temperature over the year in Newcastle (), Jamaica. Understand how water temperatures vary throughout the year.
Newcastle offers consistently warm water temperatures year-round. The warmest month, July, averages 29°C (84°F).
Even in the coolest water temperature month, March, the average temperature is 26°C (79°F). These conditions are perfect for water activities and relaxation throughout the year.
Newcastle Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Newcastle - and find the best time to visit.
Newcastle 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Newcastle climate overview or explore weather in Jamaica.
Popular this month
Where to go in September - average daytime high across popular destinations.
Runaway Bay
31°C (88°F) Falmouth31°C (88°F) Montego Bay32°C (90°F) Ocho Rios
31°C (88°F) Kingston30°C (86°F) Treasure Beach
31°C (88°F) Negril31°C (88°F) Port Antonio30°C (86°F) 
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.