Monthly weather forecast and climate
Basseterre, Saint Kitts and Nevis

A bridge across the lovely waters leading to Basseterre, Saint Kitts, and Nevis, with a distant view of the gorgeous mountain ranges
A bridge across the lovely waters leading to Basseterre, Saint Kitts, and Nevis, with a distant view of the gorgeous mountain ranges
January, the same as December, is a moderately hot winter month in Basseterre, Saint Kitts and Nevis, with temperature in the range of an average low of 25.4°C (77.7°F) and an average high of 26.1°C (79°F). In Basseterre, the average high-temperature is practically the same as in December - a still warm 26.1°C (79°F). Weather in January »

February, the last month of the winter, in Basseterre, is another warm month, with average temperature fluctuating between 26.2°C (79.2°F) and 25.1°C (77.2°F). In Basseterre, the average high-temperature is relatively the same as in January - a still warm 26.2°C (79.2°F). Weather in February »

March, the first month of the spring, in Basseterre, is still a warm month, with average temperature fluctuating between 24.9°C (76.8°F) and 25.8°C (78.4°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 »

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

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 low of 26.3°C (79.3°F) and an average high of 27.3°C (81.1°F). In Basseterre, the average high-temperature is practically the same as in April - a still moderately hot 27.3°C (81.1°F). Weather in May »

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

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

August, the last month of the summer, in Basseterre, is also a moderately hot month, with average temperature ranging between max 28.5°C (83.3°F) and min 27.6°C (81.7°F). In August, the average high-temperature is almost the same as in July - a still moderately hot 28.5°C (83.3°F). Weather in August »

September, the first month of the autumn, in Basseterre, is also a moderately hot month, with average temperature ranging between max 28.7°C (83.7°F) and min 27.7°C (81.9°F). September is the warmest month, with an average high-temperature of 28.7°C (83.7°F) and an average low-temperature of 27.7°C (81.9°F). In September, the average heat index is appraised at a hot 33.3°C (91.9°F). Weather in September »

October, the same as September, is another warm autumn month in Basseterre, Saint Kitts and Nevis, with temperature in the range of an average low of 27.8°C (82°F) and an average high of 28.5°C (83.3°F). In October, the average high-temperature is practically the same as in September - a still warm 28.5°C (83.3°F). Weather in October »

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

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 December, the average high-temperature is essentially the same as in November - a still moderately hot 26.9°C (80.4°F). Weather in December »

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 much does it rain in Basseterre?

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

When is the sea coldest in Basseterre?

Through and March, with an average sea temperature of 26°C (78.8°F).

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

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

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 in Basseterre, Saint Kitts and Nevis.

What is the driest month in Basseterre?

The month with the least rainfall in Basseterre, Saint Kitts and Nevis, is February when the rain falls for 12.6 days and typically collects 15mm (0.59") of precipitation.

What is the coldest month in Basseterre?

The coldest month in Basseterre, Saint Kitts and Nevis, 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).

What is the most humid month in Basseterre?

Months with the highest humidity in Basseterre, Saint Kitts and Nevis, are May through August, with an average relative humidity of 78%.

When are the longest days in Basseterre?

With an average of 13.2h of daylight, June has the longest days of the year.

What month has the most sunshine in Basseterre?

The month with the most sunshine is August, with an average of 10.7h of sunshine.

What is the warmest month in Basseterre?

The warmest month in Basseterre 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?

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

What is the rainiest month in Basseterre?

October is the month with the most rainfall in Basseterre. Rain falls for 18.8 days and accumulates 51mm (2.01") of precipitation.

What is the month with the shortest days in Basseterre?

With an average of 11.1h of daylight, December has the shortest days of the year in Basseterre, Saint Kitts and Nevis.

What is the month with the least sunshine in Basseterre?

The month with the least sunshine in Basseterre is December, with an average of 6.5h of sunshine.
Average temperature - Basseterre, Saint Kitts and Nevis
Average humidity - Basseterre, Saint Kitts and Nevis

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

Average rainfall - 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).

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).

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

The month with the longest days is June (Average daylight: 13.2h).
The month with the shortest days is December (Average daylight: 11.1h).

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

Average UV index - Basseterre, Saint Kitts and Nevis

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