On a January afternoon in Nassau, the breeze off the harbor is just warm enough that people eat lunch outside without thinking about it, while in August the same patio empties by midday and refills when the clouds pass. That contrast is the heart of Bahamas weather: a mild, mostly sunny winter and a hot, showery summer, with the Atlantic storm season running through the second half of the year. The islands share a general rhythm but not every detail, so what follows sorts out the months, the water and the differences along the chain.
What is the weather like in the Bahamas?
The Bahamas has two seasons: a drier, mild stretch from November through April and a hotter, wetter one from May through October. Winter days are warm and pleasant, summer days are hot and often end in a shower, and the Atlantic hurricane season overlaps the wet half of the year.
Because the country is a scatter of islands and cays in the Atlantic, the broad pattern holds everywhere, but each place has its own details. The monthly air numbers here are Nassau’s, on New Providence, and they also serve Paradise Island.
| Month (Nassau) | Average high (°F) | Average low (°F) | Rain (inches) | Rain days |
|---|---|---|---|---|
| January | 79.4 | 65.1 | 2.6 | 4.3 |
| February | 80.0 | 65.0 | 1.99 | 4.3 |
| March | 81.3 | 66.0 | 2.24 | 4.5 |
| April | 83.7 | 69.1 | 2.45 | 5.8 |
| May | 86.5 | 72.0 | 4.81 | 7.5 |
| June | 89.1 | 75.1 | 8.26 | 12.4 |
| July | 90.8 | 76.4 | 5.77 | 12.4 |
| August | 91.0 | 76.4 | 7.55 | 14.4 |
| September | 89.9 | 76.0 | 6.71 | 13.3 |
| October | 87.1 | 74.1 | 5.27 | 10.1 |
| November | 83.1 | 70.1 | 3.31 | 6.7 |
| December | 80.6 | 67.0 | 2.25 | 5.1 |
The dry season, November to April
From late fall into spring, Nassau days settle into the low 80s, nights are cool enough for a light layer on a terrace, and rain falls on only a handful of days a month. This is the stretch for long beach mornings, walks through the pastel streets of downtown Nassau, and lunches of cracked conch and fritters at a waterside shack. A fair number of those days are breezy, which keeps the afternoon sun comfortable.
Winter is mild rather than tropical-hot, and a passing cold front can bring a gray, windy day with a cooler evening. The coldest night on record in Nassau dipped into the low 40s, an outlier, but it explains why a sweatshirt belongs in a winter suitcase. Spring Break season runs from late February to mid-April, so the pleasant weather of those weeks comes with livelier beaches and busier resort pools.
The wet season, May to October
Heat builds from May, and by midsummer the afternoons are hot and humid, with highs around 90°F. Rain tends to arrive as short, heavy downpours or stormy afternoons rather than all-day gray, and it is usually concentrated in May and June and again in September and October. Mornings are often bright, so beach and boat plans fare best early, with a museum, a long lunch or a nap kept in reserve for when the clouds roll in.
Over a full year the islands collect about 52 inches of rain, and the wettest months in Nassau are June and August, when rain falls on well over a third of the days. It does not mean washed-out vacations.
It means carrying a light rain jacket, expecting a pause in the day, and enjoying the greener, quieter feel of the summer months. Summer air rarely tops 90°F by much, though the humidity makes it feel heavier.
Hurricane season
The Atlantic hurricane season runs from June 1 to November 30, and the Bahamas lies within that basin. Most hurricanes in the islands occur between July and October, and the peak of the season falls on September 10, with the most activity from mid-August to mid-October. Storm activity can occasionally appear just before or after those dates.
For travelers, that means the sunniest, driest months, December through April, sit well outside the official season, while the hottest and wettest weeks of late summer sit at its center. A trip in the shoulder months of May or November falls inside or at the edge of the season, which is worth knowing when you choose dates.
How warm is the sea?
The sea in the Bahamas is warm in every season, noticeably cooler in winter and bath-warm by midsummer. The water temperatures here are measured near George Town in the Exumas and near Freeport and Lucaya on Grand Bahama, as daily maxima, so they run a shade warmer than a full-day average.
| Month | George Town, Exuma (°F) | Freeport and Lucaya, Grand Bahama (°F) |
|---|---|---|
| January | 78.3 | 77.1 |
| April | 80.0 | 78.2 |
| July | 87.3 | 87.2 |
| October | 85.5 | 84.3 |
Winter and spring water
In January the water is mild rather than hot, which feels refreshing on a sunny afternoon and sharper in the early morning or on a breezy day. By April it has crept up a little, and the afternoons start to feel properly like beach weather. People who like their water warm tend to find winter the cool end of the scale, so a thin rash guard or a shorty wetsuit is a sensible companion for long snorkeling sessions.
In the dry months, a cold front pushes in from the north now and then, stirring the sea and dropping the air temperature for a day or two. On those days the better plan is a beach walk, a swim at a protected resort pool, or a morning at a market instead of a boat trip. The Exuma reading is a touch warmer than the Grand Bahama one in both months, a small gap that most visitors will barely notice.
Summer and early fall water
By July the sea is as warm as it gets, and the two islands in the table are almost level with each other. Dips are refreshing in the heat of the day rather than shocking, and the bright light of a summer morning over the shallows is what many people picture when they think of the islands. Snorkelers and paddleboarders often enjoy the long, warm water, though midsummer sun is strong and the afternoon showers can arrive quickly.
October is still very warm, with the water holding much of its summer heat even as the air begins to ease. The sea drifts back down through November and December toward the milder winter level. Anyone planning around the water should remember that October also falls inside the hurricane season, so conditions can change with a passing system, and a flexible day-to-day plan is wise.
What changes between the northern and southern islands?
The main differences along the chain are in the winter air and in the exposure to storms, while the summer is hot almost everywhere. The Bahamas is a flat country, with the highest point on Cat Island only 207 feet above sea level, so there are no mountains to create separate climates. The contrasts are small and gradual, and they matter most in the cooler months.
Grand Bahama and the Abacos
Freeport, on Grand Bahama, gives a clear picture of how the northwestern islands swing between seasons. Its average daily high climbs from a mild level in January to a properly hot one in August.
| Place and month | Average daily high (°F) |
|---|---|
| Freeport, January | 75.8 |
| Freeport, August | 90.2 |
That wide spread means winter in Freeport can feel distinctly cooler than summer, with evenings that call for a jacket on the Lucaya waterfront and mornings best spent on a beach walk before the sun warms up. Grand Bahama and the Abacos are connected by the Pinder’s Ferry Service between Freeport and the Abacos, which makes it natural to think of them together when you plan a trip around the northern weather.
These islands also carry the memory of Hurricane Dorian, which struck the Abaco Islands and Grand Bahama in September 2019 at Category 5 intensity and devastated the northwestern Bahamas. It is a reminder that the stretch from late summer into early fall deserves attention when you pick dates there.
The Exumas and the southern chain
Around George Town in the Exumas, the sea stays a shade warmer than off Grand Bahama in the winter and spring months, a small sign of the gentle shift along the chain. The Exumas are the setting for Big Major Cay, home to the colony of pigs often called Pig Island, and most outings there are boat days spent on the water. Warm sea in the cooler months makes those days more comfortable than they would be farther up the chain.
Andros, the largest island in the Bahamas, lies north of Cuba and southeast of Florida, and it holds the country’s only river and a few freshwater lakes. Cat Island, with the country’s highest point, adds to the feeling of a long, low, sunlit chain where the sea, not the elevation, shapes each day. Rain is the same seasonal story on each island, heavier in the wet months and lighter in winter.
What to pack for the differences
- A light sweater or jacket for winter evenings, especially in Freeport and on any boat after sunset.
- A rain jacket or small umbrella from May through October.
- A thin wetsuit or rash guard for winter snorkeling.
- Sun protection for every month, since the sun is strong all year.
Good to know before you go
The U.S. State Department rates the Bahamas Level 2, “Exercise increased caution”, and says most crime occurs in Nassau on New Providence and in Freeport on Grand Bahama.
The Bahamian dollar is on par with the U.S. dollar, and both are accepted interchangeably on all islands. ATMs are found on Nassau and Paradise Island, Grand Bahama and most major Out Islands, though carrying cash is wise on the Out Islands.
Tipping is customary, with servers usually receiving 15 percent and many places including the gratuity in the bill. Weather planning also means keeping the storm season in mind when you fix dates for the hotter months.
| Fee | Amount | Who pays |
|---|---|---|
| Hotel Guest Tax | 10% of the hotel rate | Hotel guests |
| Hotel service fee | $18 per night per person | Hotel guests |
| Bellhop fee | $6 per person, one time | Hotel guests |
Sources
- Wikipedia, Geography of the Bahamas (https://en.wikipedia.org/wiki/Geography_of_the_Bahamas), checked October 10, 2026
- Wikivoyage, The Bahamas (https://en.wikivoyage.org/wiki/The_Bahamas), checked October 10, 2026
- Wikipedia, The Bahamas (https://en.wikipedia.org/wiki/The_Bahamas), checked October 10, 2026
- Bahamas Ministry of Tourism, Investments & Aviation (bahamas.com), Island FAQ (https://www.bahamas.com/plan-your-trip/island-faq), checked October 10, 2026
- NOAA National Hurricane Center, Climatology (https://www.nhc.noaa.gov/climo/), checked October 10, 2026
- NOAA NCEI, GHCN-Daily station BF000078073 (Nassau Airport), normals 1991-2020 computed from the daily record (https://www.ncei.noaa.gov/access/services/data/v1?dataset=daily-summaries&stations=BF000078073), checked October 10, 2026
- Open-Meteo Marine API, average 2015-2024, checked October 10, 2026
- U.S. Department of State, The Bahamas Travel Advisory, Level 2 (https://travel.state.gov/), checked October 10, 2026
To plan your stay
- Things to Do in the Bahamas: Beaches, Blue Holes, Swimming Pigs and Fish Fry
- Where to Stay in the Bahamas: Best Islands, Resorts, Boutique Stays and How to Choose
- Getting Around the Bahamas: Flights, Ferries, Mailboats and Taxis in Nassau
- Know Before You Go to the Bahamas: Entry Rules, Money, Getting Around and Local Customs