Caribbean Weather in July

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Information on the weather in July for cities and beach towns throughout the Caribbean has been pulled together here.

The July temperatures and rainfall given in the table below allow you to compare the climate for places on two dozen islands. The monthly averages are based on historical weather records.

These temperatures are in °F. You can also view the temperatures in °C.

Temperature

July is actually cooler throughout the Caribbean than at some cities in the southern United States. The ocean helps moderate temperatures and allows the islands to avoid severe heat.

Ocean water temperatures in the Caribbean Sea average 81 to 82 degrees Fahrenheit during July.

Rain

The rainy season begins in July on islands in the eastern Caribbean. It rains 2 out of 3 days this month at Port of Spain in Trinidad, at Vieux Fort in Saint Lucia and at Lamentin in Martinique.

To the west, July brings a lull in rainfall. For Jamaica and Dominican Republic, July is the driest month of summer.

Hurricanes

Hurricanes are extremely rare during July in the Caribbean, although tropical storms sometimes reach Puerto Rico and islands to the east. No major hurricanes are expected in July.

Caribbean weather in July: average daily temperature and monthly rainfall
Temperature °F Island Place Total Rainfall
High Low Inches Days
87 78 Antigua St John's 3.4 11
89 79 Aruba Beatrix Airport 1.2   5
88 79 Bonaire Flamingo Airport 1.4   6
90 75 Bahamas Nassau 6.3 17
86 77 Barbados Bridgetown 3.0   –
92 72 Cayman Islands 5.8 15
88 75 Cuba Havana 4.2   7
89 79 Curaçao Hato Airport 1.6   6
86 76 Dominica Melville Hall Airport 7.1   –
87 76 Dominican Republic Punta Cana 3.1   9
89 75 Guadeloupe Pointe-a-Pitre 5.9   –
91 76 Jamaica Kingston 1.7   6
86 76 Martinique Lamentin 8.0 20
89 78 Puerto Rico San Juan 5.1 19
87 79 Saba The Bottom 2.4   6
88 78 St. Barthelemy Gustavia 2.8 12
87 78 St. Croix (US VI) Christiansted 3.2 15
88 77 St. Eustatius Oranjestad 2.9 11
89 76 St. John (US VI) Cruz Bay 3.5 16
89 78 St. Kitts Basseterre 2.8   –
87 78 St. Lucia Vieux Fort 5.9 21
89 79 St. Maarten Princess Juliana AP 2.8 12
90 78 St. Thomas (US VI) Charlotte Amalie 2.9 15
88 73 Trinidad Port of Spain 7.6 21
86 75 Tobago Scarborough 7.4 17
References

NOAA. National Weather Service. National Hurricane Center.

NOAA. Ocean Climate Laboratory. World Ocean Atlas 2009.

Rainfall and temperature data come from each island's meteorological organization.

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Average Weather

Temperature & Rainfall

WEATHER AVERAGES
Weather Extremes