Average monthly water temperature in Montego Bay, Jamaica
On this page you find the mean water temperature over the year in Montego Bay (Saint James), Jamaica. Take a closer look at the water temperature patterns and what they mean for swimming and recreation.
Water temperatures in Montego Bay remain warm year-round, perfect for aquatic activities. The warmest month, July, has an average temperature of 29°C (84°F).
The coolest water temperature month is January, averaging 27°C (81°F). Whether you’re swimming or just enjoying the water, Montego Bay offers ideal conditions year-round.
Montego Bay Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Montego Bay - and find the best time to visit.
Montego Bay 3-Day Forecast
Temperature Rainfall Sunshine Humidity Water Temp
See the full Montego Bay climate overview or explore weather in Jamaica.
Popular this month
Where to go in August - average daytime high across popular destinations.
Treasure Beach
31°C (88°F) Falmouth
32°C (90°F) Runaway Bay32°C (90°F) Ocho Rios
32°C (90°F) Montego Bay
32°C (90°F) Kingston31°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.