Monthly weather forecast and climate
The Bahamas

Flag of The Bahamas
Flag of The Bahamas

The climate of Bahamas

The Bahamas has a tropical savanna climate (Köppen climate classification Aw). The conditions are hot and humid throughout the year. The Bahamas is an island country within the Lucayan Archipelago in the Caribbean. The U.S. state of Florida lies in the northeast, Cuba, and Hispaniola Island are in the southwest, and the Turks and Caicos Islands are to the southeast of the Bahamas. Andros Island is the largest, followed by Great Inagua in the far south. Nassau lies in New Providence, while Freeport, the second-largest city, lies in the Grand Bahama Island. The tropical location has bright sunshine and an equal duration of days and nights throughout the year. Northeast trade winds reduce the effect of the tropical sun. The tropical location, the Gulf Stream, and the Atlantic Ocean chiefly influence the climate.

The Bahamas is an island-chain spread over 500 miles in the Atlantic Ocean and consists of more than 700 islands and cays. The archipelago's location is around the Tropic of Cancer. The Tropic of Cancer Beach in the Little Exuma Island in the Bahamas straddles the Tropic of Cancer. The landscape is mostly flat, with a very low elevation. Ridges rise mostly between 15 meters and 20 meters. The land is primarily rocky or mangrove swamp. Rocks are of limestone type, but the islands have a foundation of fossil coral. Much of the land is under low scrub cover. Pineyards grow on the northern islands, while the southern islands have tropical hardwood. The freshwater resources are in the form of a few lakes and only one river on Andros Island. Mount Alvernia, on Cat Island, is the highest point in the Bahamas at 64 meters above sea level.

The Bahamas has a wet season from May to October and a dry season from November to April. The wet season is hot, cloudy, and oppressive. The average daily temperatures range between 23.9°C (75°F) and 27.8°C (82°F) in the warmest months of July and August. More than 70% of the rainfall occurs between May and October. The wet season sees heavy rainfall and tropical storms. The Bermuda High brings a warm, moist tropical airflow from the southeast. The temperature increases and precipitation decrease from the northwest to the southeast. The dry season is mild, humid, and windy. The average daily temperatures range between 20°C (68°F) and 24.4°C (75.9°F) in the coldest months of January and February. Northeast trade winds and westerlies from the North American mainland affect the Bahamas in the dry season. Cold air masses push down temperatures up to 10°C (50°F) in Freeport and Nassau. Every month has a daily mean temperature above 17.2°C (63°F).

The annual average rainfall in the Bahamas is an abundant 1397mm (55"). The precipitation is throughout the year and ranges between 635mm (25") and 1524mm (60") annually. Freeport registers 1524mm (60") rain, while Nassau gets 1193.8mm (47"), but Inagua receives only 635mm (25"). August is the wettest month of the year. December to March is the driest period. January is the driest month. The average seawater temperatures between 22.8°C (73°F) and 27.8°C (82°F) are comfortable for swimming all year-round. The sunshine is abundant and averages over 3000 hours annually. Wind speeds are between 16.1km/h (10mph) to 24.1km/h (15mph) throughout the year. The wet season is the calmest, while the dry season is the windiest part of the year. The skies remain clear up to 74% of the time during the dry season. The wet season sees overcast skies up to 68% of the time. Hurricanes mostly strike the northern islands of the Bahamas.

The highest temperature on record in Nassau, the capital of the Bahamas, is 35°C (95°F), while the lowest temperature on record is -43.3°C (-45.9°F).

The best time to visit the Bahamas

The best time to visit the Bahamas is from November to April in the dry season. The rainfall is relatively less compared to the wet season. The end of the tropical storm season keeps the seas calm. The conditions are muggy, but breezes occur regularly. Even the coldest days receive at least 7 hours of sunshine. The skies remain clear much of the time, with running clouds. The sandy beaches and pristine waters are enjoyable for sunbathing and swimming. Beach nights are cozy, and the Bahamas draw plenty of tourist footfalls during North America's cold winters.

The worst time to visit the Bahamas

The worst time to visit the Bahamas is from May to October in the wet season. The sunshine is intense, even in the wet season. The humidity makes the conditions oppressive, although the temperatures rarely exceed 32.2°C (90°F). Rainfall is massive, and thunderstorms regularly occur in the afternoons. Many places receive between 203.2mm (8") to 254mm (10") of rain at the peak of the wet season. However, the rain is in the form of heavy downpours that do not last for long periods. The tropical storm season brings uncertainty to the weather. The seas are rough during the storm season, and sea-excursions are challenging.

Weather hazards

The natural weather hazards in the Bahamas comprise of hurricanes, floods, tsunamis, and landslides. Thunderstorms are standard during the wet season. The Bahamas is amongst the top hurricane-prone countries in the Caribbean. The probability of a named storm strike within 50 miles of the islands is 72% annually. Tropical hurricanes occur between June and November. However, the frequency of tropical storms is the highest between August and October. Hurricane Dorian in 2019, a category 5 storm, recorded wind speeds up to 355.7km/h (221mph) and cost $7 billion in damages. Storm surge flooding up to 7 meters above normal tide levels occurred due to the hurricane. Landslides are in the form of small rock falls and rock slides along the low sea cliffs. Sinkholes are a standard phenomenon.

Weather in January

January is the coldest and driest month of the year in the Bahamas. The average daily temperatures vary from 20°C (68°F) in the north to 24.4°C (75.9°F) in the south. Freeport in Grand Bahama in the north is the coolest city between 16.1°C (61°F) and 24.4°C (75.9°F), while Nassau in New Providence in the central region is in the 17.2°C (63°F) to 25.6°C (78.1°F) range. Weather in January »

Weather in February

February is relatively dry and warm in the Bahamas, with an average rainfall of 38.1mm (1.5") to 73.7mm (2.9") across the islands. The average high temperatures are in the comfortable range of 24.4°C (75.9°F) to 28.3°C (82.9°F). Weather in February »

Weather in March

March is sunny and bright in the Bahamas. The precipitation ranges between 35.6mm (1.4") and 94mm (3.7"), with an average of 7 wet days in the month. The average temperatures increase slightly to register in the 17.8°C (64°F) to 29.4°C (84.9°F) zone. Weather in March »

Weather in April

April is the last month of the dry season in the Bahamas. The precipitation is in the range of 40.6mm (1.6") to 68.6mm (2.7") over the islands, with less than 7 wet days in the month. The average temperatures rise gradually to register in the 19.4°C (66.9°F) to 30°C (86°F) range. Weather in April »

Weather in May

May is a transitional month that brings the wet season in the Bahamas. The precipitation ranges between 83.8mm (3.3") to 104.1mm (4.1"), and the month registers more than 10 wet days. The southern islands are drier than the northern and central islands. Weather in May »

Weather in June

June is hot, humid, and wet in the Bahamas. The chance of a muggy day is between 96% and 100%. The northern and central islands receive between 175.3mm (6.9") and 218.4mm (8.6") of rainfall. The south is relatively dry between 25.4mm (1") and 38.1mm (1.5"). Temperatures are in the range of 23.3°C (73.9°F) to 31.7°C (89.1°F), but the humidity and cloud cover make the heat oppressive. Weather in June »

Weather in July

July registers at least 15 wet days in the Bahamas and records 152.4mm (6") to 177.8mm (7") of rainfall. The usual pattern of precipitation is in the form of afternoon thunderstorms. Downpours are heavy but pass away quickly. The average temperatures are in the hot range of 23.9°C (75°F) to 32.8°C (91°F). Weather in July »

Weather in August

August is the hottest and wettest month of the year in the Bahamas. The average temperatures are in the hot zone of 24.4°C (75.9°F) to 32.8°C (91°F). The precipitation ranges between 208.3mm (8.2") to 236.2mm (9.3") on many islands except for the southern ones. Weather in August »

Weather in September

September is hot and humid in the Bahamas. Temperatures in Abrahams Bay are in the hot range of 23.9°C (75°F) and 31.1°C (88°F). Nassau registers average temperatures in the hot zone of 23.9°C (75°F) to 32.2°C (90°F). Freeport receives its highest rainfall of 215.9mm (8.5"), and is between 22.8°C (73°F) to 32.2°C (90°F). Weather in September »

Weather in October

October is the wettest month of the year in the southern islands of the Bahamas. The Great Inagua Island receives up to 119.4mm (4.7") of rain, with 10 wet days in the month. Freeport and Nassau receive between 142.2mm (5.6") and 162.6mm (6.4") of heavy precipitation. Weather in October »

Weather in November

November is the beginning of the dry season in the Bahamas. The average temperatures decrease slightly to register in the 19.4°C (66.9°F) to 30.6°C (87.1°F) range. Freeport records warm temperatures in the 19.4°C (66.9°F) to 27.2°C (81°F) range. Weather in November »

Weather in December

December is warm and relatively dry in the Bahamas. The precipitation ranges from 38.1mm (1.5") to 73.7mm (2.9"). The average temperatures decrease slightly to register in the 19.4°C (66.9°F) to 30.6°C (87.1°F) range. Abrahams Bay is between 22.2°C (72°F) and 27.8°C (82°F), while Matthew Town is slightly higher in the 22.8°C (73°F) to 28.9°C (84°F) range. Weather in December »


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