Climate and monthly weather forecast
Basseterre, Saint Kitts and Nevis

A bridge across the lovely waters leading to Basseterre, Saint Kitts, and Nevis
A bridge across the lovely waters leading to Basseterre, Saint Kitts, and Nevis

Weather in January

January, like December, in Basseterre, Saint Kitts and Nevis, is a moderately hot winter month, with an average temperature fluctuating between 25.4°C (77.7°F) and 26.1°C (79°F). In Basseterre, the average high-temperature in January is essentially the same as in December - a still moderately hot 26.1°C (79°F). Weather in January »

Weather in February

The last month of the winter, February, is also a moderately hot month in Basseterre, Saint Kitts and Nevis, with an average temperature fluctuating between 25.1°C (77.2°F) and 26.2°C (79.2°F). In February, the average high-temperature is essentially the same as in January - a still moderately hot 26.2°C (79.2°F). Weather in February »

Weather in March

March, the first month of the spring in Basseterre, is still a warm month, with an average temperature varying between 25.8°C (78.4°F) and 24.9°C (76.8°F). The coldest month is March, with an average high-temperature of 25.8°C (78.4°F) and an average low-temperature of 24.9°C (76.8°F). Weather in March »

Weather in April

April, like March, in Basseterre, Saint Kitts and Nevis, is a moderately hot spring month, with an average temperature fluctuating between 26.3°C (79.3°F) and 25.7°C (78.3°F). In Basseterre, the average high-temperature in April is essentially the same as in March - a still warm 26.3°C (79.3°F). Weather in April »

Weather in May

The last month of the spring, May, is also a moderately hot month in Basseterre, Saint Kitts and Nevis, with temperature in the range of an average high of 27.3°C (81.1°F) and an average low of 26.3°C (79.3°F). In May, the average high-temperature is practically the same as in April - a still warm 27.3°C (81.1°F). Weather in May »

Weather in June

June, the first month of the summer in Basseterre, is still a warm month, with an average temperature fluctuating between 27.1°C (80.8°F) and 28.1°C (82.6°F). In June, the average high-temperature is relatively the same as in May - a still warm 28.1°C (82.6°F). Weather in June »

Weather in July

July, like June, in Basseterre, Saint Kitts and Nevis, is a moderately hot summer month, with an average temperature ranging between max 28.2°C (82.8°F) and min 27.3°C (81.1°F). In July, the average high-temperature is essentially the same as in June - a still moderately hot 28.2°C (82.8°F). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Basseterre, Saint Kitts and Nevis, with temperature in the range of an average low of 27.6°C (81.7°F) and an average high of 28.5°C (83.3°F). In August, the average high-temperature is relatively the same as in July - a still warm 28.5°C (83.3°F). Weather in August »

Weather in September

September, the first month of the autumn in Basseterre, is also a moderately hot month, with an average temperature fluctuating between 27.7°C (81.9°F) and 28.7°C (83.7°F). With an average high-temperature of 28.7°C (83.7°F) and an average low-temperature of 27.7°C (81.9°F), September is the warmest month. The average heat index in September is calculated to be a hot 33.3°C (91.9°F). Weather in September »

Weather in October

October, like September, in Basseterre, Saint Kitts and Nevis, is a moderately hot autumn month, with an average temperature ranging between max 28.5°C (83.3°F) and min 27.8°C (82°F). In Basseterre, the average high-temperature in October is essentially the same as in September - a still moderately hot 28.5°C (83.3°F). Weather in October »

Weather in November

November, the last month of the autumn in Basseterre, is also a moderately hot month, with an average temperature ranging between min 27.1°C (80.8°F) and max 27.9°C (82.2°F). In November, the average high-temperature is practically the same as in October - a still moderately hot 27.9°C (82.2°F). Weather in November »

Weather in December

The first month of the winter, December, is still a warm month in Basseterre, Saint Kitts and Nevis, with temperature in the range of an average high of 26.9°C (80.4°F) and an average low of 26.2°C (79.2°F). In Basseterre, the average high-temperature in December is relatively the same as in November - a still moderately hot 26.9°C (80.4°F). Weather in December »
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FAQ

What is the least humid month in Basseterre?

January through March and December, with an average relative humidity of 75%, are the least humid months in Basseterre, Saint Kitts and Nevis.

How many days does it rain in Basseterre?

Throughout the year, in Basseterre, Saint Kitts and Nevis, there are 198.3 rainfall days, and 386mm (15.2") of precipitation is accumulated.

When is the sea coldest in Basseterre?

The months with the coldest seawater are January through March, with an average sea temperature of 26°C (78.8°F).

What are the months with the highest UV index in Basseterre?

The months with the highest UV index are January through December, with an average maximum UV index of 7.

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

January through December, with an average maximum UV index of 7, are months with the lowest UV index.

What is the driest month in Basseterre?

February is the month with the least rainfall in Basseterre, Saint Kitts and Nevis. Rain falls for 12.6 days and accumulates 15mm (0.59") of precipitation.

What is the coldest month in Basseterre?

With an average high-temperature of 25.8°C (78.4°F) and an average low-temperature of 24.9°C (76.8°F), March is the coldest month.

What are the most humid months in Basseterre?

The months with the highest humidity in Basseterre are May through August, with an average relative humidity of 78%.

When are the longest days in Basseterre?

June has the longest days of the year in Basseterre, Saint Kitts and Nevis, with an average of 13h and 9min of daylight.

What month has the most sunshine in Basseterre?

The month with the most sunshine in Basseterre, Saint Kitts and Nevis, is August, with an average of 10.7h of sunshine.

What is the warmest month in Basseterre?

The warmest month in Basseterre, Saint Kitts and Nevis, is September, with an average high-temperature of 28.7°C (83.7°F) and an average low-temperature of 27.7°C (81.9°F).

When is the sea warmest in Basseterre?

The months with the warmest seawater in Basseterre, Saint Kitts and Nevis, are September and October, with an average sea temperature of 29°C (84.2°F).

What is the wettest month in Basseterre?

The month with the most rainfall in Basseterre, Saint Kitts and Nevis, is October, when the rain falls for 18.8 days and typically aggregates up to 51mm (2.01") of precipitation.

What is the month with the shortest days in Basseterre?

December has the shortest days of the year, with an average of 11h and 7min of daylight.

Is there Daylight Saving Time (DST) in Basseterre?

Basseterre, Saint Kitts and Nevis, does not utilize Daylight Saving Time (DST). AST timezone is used throughout the entire year.

What is the month with the least sunshine in Basseterre?

December has the least sunshine of the year, with an average of 6.5h of sunshine.

Average temperature
Basseterre, Saint Kitts and Nevis

Average temperature - Basseterre, Saint Kitts and Nevis

The warmest month (with the highest average high temperature) is September (28.7°C).
The month with the lowest average high temperature is March (25.8°C).

The month with the highest average low temperature is October (27.8°C).
The coldest month (with the lowest average low temperature) is March (24.9°C).

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Average pressure
Basseterre, Saint Kitts and Nevis

Average pressure - Basseterre, Saint Kitts and Nevis

The months with the highest atmospheric pressure are January and June (1016.2mbar).
The months with the lowest atmospheric pressure are October and November (1012.5mbar).

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Average wind speed
Basseterre, Saint Kitts and Nevis

Average wind speed - Basseterre, Saint Kitts and Nevis

The windiest month (with the highest average wind speed) is July (26.3km/h).
The calmest month (with the lowest average wind speed) is October (19.6km/h).

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Average humidity
Basseterre, Saint Kitts and Nevis

Average humidity - Basseterre, Saint Kitts and Nevis

The months with the highest relative humidity are May, June, July and August (78%).
The months with the lowest relative humidity are January, February, March and December (75%).

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Average rainfall
Basseterre, Saint Kitts and Nevis

Average rainfall - Basseterre, Saint Kitts and Nevis

The wettest month (with the highest rainfall) is October (51mm).
The driest month (with the least rainfall) is February (15mm).

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Average rainfall days
Basseterre, Saint Kitts and Nevis

Average rainfall days - Basseterre, Saint Kitts and Nevis

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (12.6 days).

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Average sea temperature
Basseterre, Saint Kitts and Nevis

Average sea temperature - Basseterre, Saint Kitts and Nevis

The best months for swimming (with the highest average sea temperature) are September and October (29°C).
The coldest months (with the lowest average sea temperature) are January, February and March (26°C).

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Average daylight / Average sunshine
Basseterre, Saint Kitts and Nevis

Average daylight / Average sunshine - Basseterre, Saint Kitts and Nevis

The month with the longest days is June (Average daylight: 13h and 9min).
The month with the shortest days is December (Average daylight: 11h and 7min).

The month with the most sunshine is August (Average sunshine: 10.7h).
The month with the least sunshine is December (Average sunshine: 6.5h).

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Average sunshine days
Basseterre, Saint Kitts and Nevis

Average sunshine days - Basseterre, Saint Kitts and Nevis

The month with the most sunshine days is June (11.2 days).
The month with the least sunshine days is May (7.6 days).

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Average UV index
Basseterre, Saint Kitts and Nevis

Average UV index - Basseterre, Saint Kitts and Nevis

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

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Average cloud cover
Basseterre, Saint Kitts and Nevis

Average cloud cover - Basseterre, Saint Kitts and Nevis

The months with the most cloud cover are May, June and July (Cloud cover 40).
The month with the least cloud cover is February (Cloud cover 32).

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Average visibility
Basseterre, Saint Kitts and Nevis

Average visibility - Basseterre, Saint Kitts and Nevis

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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