Weather in July
July, the heart of summer in Old Harbour, records a mild further increase in average sea temperature to 28.8°C (83.8°F). However, a keen observer would notice a slight decrease in daylight hours as compared to June. Notwithstanding the minor change, the general weather pattern remains similar to June. The warm weather continues to glow over Old Harbour, encapsulating the essence of a tropical summer.
Note: For activities in the water such as swimming or diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are considered optimal for prolonged enjoyment without discomfort.
On the first day of the month, sunrise is at 05:36 and sunset at 18:48. On the last day of July, in Old Harbour, sunrise is at 05:46 and sunset at 18:42 EST.
Sea temperature
In Old Harbour, in July, the average water temperature is 28.8°C (83.8°F).Note: For activities in the water such as swimming or diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are considered optimal for prolonged enjoyment without discomfort.
Daylight
The average length of the day in July in Old Harbour is 13h and 5min.On the first day of the month, sunrise is at 05:36 and sunset at 18:48. On the last day of July, in Old Harbour, sunrise is at 05:46 and sunset at 18:42 EST.
Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How warm is the water in July in Old Harbour?
In Old Harbour, the average seawater temperature in July is 28.8°C (83.8°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.
What is the average length of the day in July in Old Harbour?
In Old Harbour, Jamaica, the average day length in July is 13h and 5min.
What time are sunrise and sunset in July in Old Harbour?
On the first day of July in Old Harbour, sunrise is at 05:36 and sunset at 18:48. On the last day of the month, sunrise is at 05:46 and sunset at 18:42 EST.
Average sea temperature in July
Old Harbour, Jamaica
- Average sea temperature in July: 28.8°C
The best month for swimming (with the highest average sea temperature) is September (29.7°C).
The coldest month (with the lowest average sea temperature) is February (27°C).
Average daylight in July
Old Harbour, Jamaica
- Average daylight in July: 13h and 1min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
Old Harbour, Jamaica
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