Caribbean weather in July
In July, the Caribbean averages 29 to 31°C by day across Barbados, Antigua, St Lucia, Jamaica, Punta Cana, Aruba, Cuba (Varadero) and the Bahamas. Jamaica is the warmest at 31°C, St Lucia the coolest at 29°C. The sea is 28 to 31°C.
Caribbean in July, place by place
Warmest first. Anywhere at 24°C or more is proper beach weather. Tap a place for its full July detail.
| Destination | Day | Night | Sea | Rain | Flight |
|---|---|---|---|---|---|
| Jamaica (Montego Bay)Jamaica | 31°C | 25°C | 30°C | 99 mm | 9½h |
| VaraderoCuba | 31°C | 26°C | 31°C | 117 mm | 9h |
| NassauBahamas | 31°C | 27°C | 31°C | 69 mm | 8½h |
| ArubaAruba | 30°C | 27°C | 28°C | 35 mm | 9½h |
| AntiguaAntigua and Barbuda | 30°C | 26°C | 29°C | 83 mm | 8h |
| BarbadosBarbados | 30°C | 25°C | 29°C | 89 mm | 8½h |
| Punta CanaDominican Republic | 30°C | 26°C | 29°C | 124 mm | 8½h |
| St LuciaSt Lucia | 29°C | 25°C | 29°C | 129 mm | 8½h |
Heading to the Caribbean in July?
Share the places you've saved on TikTok and Instagram for the Caribbean to Dream Trip. It pins them on a map and builds your days around them.
Caribbean in July: quick answers
Is the Caribbean hot in July?
In July, the Caribbean averages 29 to 31°C by day across Barbados, Antigua, St Lucia, Jamaica, Punta Cana, Aruba, Cuba (Varadero) and the Bahamas. Jamaica is the warmest at 31°C, St Lucia the coolest at 29°C. The sea is 28 to 31°C. July is hot in Jamaica: proper beach weather.
Where is warmest in the Caribbean in July?
Jamaica, at an average high of 31°C. The driest is Aruba, with about 35 mm of rain.
Can you swim in the sea in the Caribbean in July?
Yes: Varadero (31°C), Nassau (31°C), Jamaica (30°C), Antigua (29°C), Punta Cana (29°C), Barbados (29°C), St Lucia (29°C), Aruba (28°C) have sea temperatures of 21°C or more, comfortable without a wetsuit.
How we measured this
Caribbean here means Barbados, Antigua, St Lucia, Jamaica, Punta Cana, Aruba, Cuba (Varadero) and the Bahamas: the places we measure. Figures are averages of every day from 2016 to 2025 from the Open-Meteo historical weather archive (ECMWF ERA5); sea temperatures are 2023 to 2025 averages. Rain is the average monthly total, and 150 mm or more counts as rainy season.
Planning the Caribbean in July?
Save the places you find on TikTok and Instagram for the Caribbean to one map, and Dream Trip turns them into a day-by-day plan.
