Climate and monthly weather forecast
Nassau, The Bahamas

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Atlantis Resort on Paradise Island, located in Nassau, the Bahamas, in the middle of the Caribbean Sea
Atlantis Resort on Paradise Island, located in Nassau, the Bahamas, in the middle of the Caribbean Sea

The climate of Nassau

Nassau, the capital of The Bahamas, experiences a tropical wet and dry climate, identified by the Köppen climate classification as 'Aw'. Its geographical position in the Atlantic Ocean, off the southeast coast of Florida, allows it to enjoy warm temperatures and abundant sunshine, providing stunning scenic beauty throughout the year.

Throughout the year, there is a significant variation in different weather parameters. Temperatures fluctuate from a delightful 25.6°C (78.1°F) in January to a tropical 32.1°C (89.8°F) in August. Along with the temperatures, sea temperatures also see a similar variance, from a comfortable 23.3°C (73.9°F) in February to an enticing 30°C (86°F) in August. The daylight hours fluctuate marginally due to the country's location close to the equator, resulting in relatively uniform daylight, between 10.6 hours to 13.7 hours. One can expect between 6.9 hours to 9.2 hours of sunshine throughout the year, with an ultraviolet index marking the range from 8 to 11, which signifies a high to extreme risk of harm from unprotected sun exposure.

Rainfall in Nassau sees a dramatic variation with the turn of seasons, ranging from a moderate 47mm (1.85") in January to a heavy 236mm (9.29") in August. Correspondingly, the number of rainfall days ranges from 6 days in March and April to 19 days in August.

One of the distinctive characteristics of Nassau's climate is its substantial seasonal rainfall. The rain-bearing Trade Winds resulting from Atlantic high-pressure systems bring considerable rain between June and August, with lesser occurrences during the other months of the year.

The best time to visit Nassau

Imparting consideration to all the weather parameters, the best time to visit Nassau would typically be from November to April. During these months, temperatures remain balmy, varying from 26.4°C (79.5°F) to 28°C (82.4°F) during the day and dropping to a mild 18.4°C (65.1°F) to 20.5°C (68.9°F) at night. Rainfall during this time is relatively infrequent, with an average of 47mm (1.85") to 81mm (3.19") spread over 8 to 10 days. Sea temperatures stay within a pleasant 24.8°C (76.6°F) to 26.5°C (79.7°F), creating ideal conditions for beach visits and water sports.

The worst time to visit Nassau

The worst time to visit Nassau would be from June to September when the city experiences its most intense rainfall of the year, averaging between 161mm (6.34") and 236mm (9.29"). These months also see increased rainfall days from 15 up to 19. While the temperatures range from a high 31.1°C (88°F) to 32.1°C (89.8°F) during the day and 23°C (73.4°F) to 24.7°C (76.5°F) at night, the elevated humidity levels and the heavy rains could result in discomfort for travellers.

Spring weather in Nassau

From March to May, Nassau experiences its spring season, characterized by steadily rising temperatures. In March, daytime highs average around 26.7°C (80.1°F), climbing to a more tropical 29.6°C (85.3°F) by May. Night temperatures correspondingly rise from 17.9°C (64.2°F) to 21.1°C (70°F), maintaining a pleasant atmosphere. This season experiences a consistent rise in rainfall, starting from an average of 54mm (2.13") spread over 7 days in March and reaching 105mm (4.13") over 10 days by May. However, this rarely inhibits outdoor activities as most of the showers are quick and then yield to sunny weather.

Summer weather in Nassau

Summer in Nassau runs from June to August. These months are host to the most significant rainfall of the year, with June seeing an average of 219mm (8.62") raining over 15 days, peaking at 236mm (9.29") over 19 days in August. The temperatures soar, with daytime highs ranging between 31.1°C (88°F) and 32.1°C (89.8°F). Sea temperatures hit their annual peak, averaging between 28.1°C (82.6°F) and 30°C (86°F), perfect for water-based activities.

Autumn weather in Nassau

Autumn, from September through November, experiences a gradual decrease in both temperature and rainfall. Highs dwindle from 31.5°C (88.7°F) in September to a more comfortable 28°C (82.4°F) by November, while lows drop from 23.5°C (74.3°F) to a cooler 20.5°C (68.9°F). Rainfall sees an appreciable reduction, from 163mm (6.42") spread over 17 days in September and October to 81mm (3.19") over 10 days in November.

Winter weather in Nassau

Winter in Nassau, from December through February, is marked by mild temperatures and relatively low rainfall. Highs average between 25.6°C (78.1°F) and 26.4°C (79.5°F), with nights a cooler 17.1°C (62.8°F) to 17.3°C (63.1°F). Rainfall dwindles to its yearly minimum, from 47mm (1.85") over 8 days in January to 49mm (1.93") over 6 days in February. The sea temperature remains appealing for water-based activities, between 23.3°C (73.9°F) and 23.4°C (74.1°F). With lovely weather and little rain, winter is one of the most popular times for tourists to visit Nassau.

Weather in January

The year in Nassau, The Bahamas, commences with mild weather in January. The stability in temperature presents a pleasing scenario for tourists. However, the arrival of fresh year comes with a fair share of rainfall; January sees an average of 47mm (1.85") of rainfall. Weather in January »

Weather in February

February carries the gentle, pleasant weather of January into the new month. Although slight changes in general weather patterns and temperatures become noticeable, they hardly disrupt the homely climate Nassau is known for. The rainfall level stays moderately low with 49mm (1.93") average recorded in February. Weather in February »

Weather in March

Gradual adjustments in weather variables characterize the month of March in Nassau. A visible occurrence involves the daylight hours that progressively lengthen, signifying the onset of spring. The minimum and maximum temperatures maintain the pleasant trend from the previous months. Weather in March »

Weather in April

April marks a transition into a slightly warmer climate in Nassau. Daylight is longer and sunnier, creating picture-perfect opportunities. The rainfall increases substantially in April to 69mm (2.72"). These factors considered, April still presents a variety of outdoor options to both residents and tourists. Weather in April »

Weather in May

May ushers in a warmer season, noticeable through extended sunlight hours. It also brings a substantial rise in sea temperature, welcoming a season for beach activities. An increase in rainfall to 105mm (4.13") ensues during May. However, it rarely dampens the enthusiasm for outdoor activities. Weather in May »

Weather in June

By June, Nassau brims in full summer spirit with increases in temperature and daylight duration. While summer is typically associated with bright, clear skies, expect a fair share of showers in Nassau. The heaviest rain of the year falls in June amounting to an average of 219mm (8.62"). Weather in June »

Weather in July

The heart of Nassau's summer is experienced in July. The temperatures peak, and the city is lively and full of color. Yet, Nassau receives a tremendous amount of rain in this month, with averages reaching 161mm (6.34"). Light showers infuse a fresh essence into the summer heat, making July a popular time for tourists. Weather in July »

Weather in August

August holds its own with high temperatures continuing to reign the weather pattern in Nassau. Rain showers persist, but they hardly bring an end to the summer vibe. August is the wettest month with 236mm (9.29") of rain on average. Weather in August »

Weather in September

As summer begins its retreat in September, Nassau sees a marginal dip in temperatures. The days remain long, characterizing the city's pleasant tropical climate. The average rainfall stands at 163mm (6.42"), continuing the trend of wet summer months. Weather in September »

Weather in October

October brings a more noticeable change in Nassau's climate. The transition from the warmed summer days to a more moderate climate becomes more apparent. Rainfall in October matches that of September, averaging 163mm (6.42"). This does not disrupt the general comfort of the weather, making outdoor activities still largely feasible. Weather in October »

Weather in November

By November, Nassau starts to feel the impending arrival of winter, though it never fully succumbs to extreme cold. This transition reflects a decrease in daylight hours. November brings about a decrease in rainfall with average precipitation dropping to 81mm (3.19"). Weather in November »

Weather in December

December signifies the arrival of winter in Nassau. The temperatures drop further, and the daylight hours are even shorter. Rainfall is relatively low with an average of 50mm (1.97"). Even in the midst of winter, Nassau radiates its charm. Weather in December »
Updated: Jan 30, 2024 | Published by: Weather Atlas | About Us

Frequently asked questions

What is the coldest month in Nassau?

Nassau's temperature records reveal January as the coldest month, marked by average highs of 25.6°C (78.1°F) and lows of 17.1°C (62.8°F).

What is the driest month in Nassau?

January is the month with the least rainfall. Rain falls for 8 days and accumulates 47mm (1.85") of precipitation.

How much does it rain in Nassau?

In Nassau, during the entire year, the rain falls for 138 days and collects up to 1396mm (54.96") of precipitation.

When is the sea coldest in Nassau?

The month with the coldest seawater in Nassau is February, with an average sea temperature of 23.3°C (73.9°F).

When is Daylight Saving Time (DST) in Nassau?

On Sunday, 10. March 2024, at 02:00, Daylight Saving Time starts in Nassau, The Bahamas, and the time zone changes from EST to EDT. Daylight Saving Time ends on Sunday, 03. November 2024, at 02:00, and the time zone reverts from EDT to EST.

What month has the most sunshine in Nassau?

April has the most sunshine of the year, with an average of 9.2h of sunshine.

What is the month with the highest UV index in Nassau?

The months with the highest UV index are April through August, with an average maximum UV index of 11.

When are the longest days in Nassau?

With an average of 13h and 42min of daylight, June has the longest days of the year in Nassau.

What are the warmest months in Nassau?

The month of August sees the average highest temperatures, reaching 32.1°C (89.8°F) at the peak and 23.8°C (74.8°F) at the low.

What is the rainiest month in Nassau?

August is the month with the most rainfall. Rain falls for 19 days and accumulates 236mm (9.29") of precipitation.

What month is the sea warmest in Nassau?

The month with the warmest seawater in Nassau, The Bahamas, is August, with an average sea temperature of 30°C (86°F).

What is the month with the shortest days in Nassau?

The month with the shortest days in Nassau, The Bahamas, is December, with an average of 10h and 36min of daylight.

What is the month with the least sunshine in Nassau?

With an average of 6.9h of sunshine, December has the least sunshine of the year.

What is the month with the lowest UV index in Nassau?

December is the month with the lowest UV index, with an average maximum UV index of 5.

Average temperature
Nassau, The Bahamas

Average temperature - Nassau, The Bahamas

The warmest month (with the highest average high temperature) is August (32.1°C).
The month with the lowest average high temperature is January (25.6°C).

The month with the highest average low temperature is July (24.7°C).
The coldest month (with the lowest average low temperature) is January (17.1°C).

Average rainfall
Nassau, The Bahamas

Average rainfall - Nassau, The Bahamas

The wettest month (with the highest rainfall) is August (235.5mm).
The driest month (with the least rainfall) is January (47.2mm).

Average rainfall days
Nassau, The Bahamas

Average rainfall days - Nassau, The Bahamas

The month with the highest number of rainy days is August (19 days).
The months with the least rainy days are February and April (6 days).

Average sea temperature
Nassau, The Bahamas

Average sea temperature - Nassau, The Bahamas

The best month for swimming (with the highest average sea temperature) is August (30°C).
The coldest month (with the lowest average sea temperature) is February (23.3°C).

Average daylight / Average sunshine
Nassau, The Bahamas

Average daylight / Average sunshine - Nassau, The Bahamas

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).

The month with the most sunshine is April (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

Average UV index
Nassau, The Bahamas

Average UV index - Nassau, The Bahamas

The months with the highest UV index are April, May, June, July and August (UV index 11).
The month with the lowest UV index is December (UV index 5).

Nassau, The Bahamas

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