May Weather forecast - Spring forecast - Basseterre, Saint Kitts and Nevis

Weather in May
Frequently asked questions
Average temperature in May
Average pressure in May
Average wind speed in May
Average humidity in May
Average rainfall in May
Average rainfall days in May
Average sea temperature in May
Average daylight in May
Average sunshine in May
Average sunshine days in May
Average UV index in May
Average cloud cover in May
Average visibility in May

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

Weather in May

The last month of the spring, May, is also a moderately hot month in Basseterre, Saint Kitts and Nevis, with an average temperature ranging between min 26.3°C (79.3°F) and max 27.3°C (81.1°F).

Temperature

In May, the average high-temperature is almost the same as in April - a still warm 27.3°C (81.1°F). In Basseterre, in May, the average low-temperature is 26.3°C (79.3°F).

Heat index

In May, the average heat index is calculated to be a tropical 30°C (86°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'felt air temperature', or 'real feel', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, pregnancy, differences in body mass, height, and shape), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

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

Rainfall

In May, in Basseterre, Saint Kitts and Nevis, the rain falls for 19.3 days. Throughout May, 43mm (1.69") of precipitation is accumulated. Throughout the year, there are 198.3 rainfall days, and 386mm (15.2") of precipitation is accumulated.

Sea temperature

In Basseterre, the average water temperature is 27°C (80.6°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In Basseterre, the average length of the day in May is 12h and 57min.
On the first day of the month, sunrise is at 05:44 and sunset at 18:31. On the last day of May, sunrise is at 05:35 and sunset at 18:41 AST.

Sunshine

In May, the average sunshine is 10.4h.

UV index

The months with the highest UV index in Basseterre, Saint Kitts and Nevis, are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Basseterre, Saint Kitts and Nevis. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 7 in May transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

[Resources]

FAQ

What is the temperature in May in Basseterre?

In May, in Basseterre, Saint Kitts and Nevis, the average high-temperature is 27.3°C (81.1°F), and the average low-temperature is 26.3°C (79.3°F). The average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in May is calculated to be 30°C (86°F).

What is the most humid month in Basseterre?

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

What is the average humidity in May in Basseterre?

The average relative humidity in May in Basseterre is 78%.

How much does it rain in Basseterre in May?

In Basseterre, Saint Kitts and Nevis, during May, the rain falls for 19.3 days and regularly aggregates up to 43mm (1.69") of precipitation.

What is the sea water temperature in May in Basseterre?

In Basseterre, Saint Kitts and Nevis, the average seawater temperature in May is 27°C (80.6°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Basseterre have in May?

In May, the average day length in Basseterre is 12h and 57min.

When is the sunrise / sunset in May in Basseterre?

On the first day of May, sunrise is at 05:44 and sunset at 18:31. On the last day of the month, sunrise is at 05:35 and sunset at 18:41 AST.

How many hours of sunshine does Basseterre have in May?

In Basseterre, Saint Kitts and Nevis, the average sunshine duration in May is 10.4h.

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

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

What are the months 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 UV index reading in May in Basseterre?

The average daily maximum UV index in May in Basseterre, Saint Kitts and Nevis, is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

26.3°C 79.3°F

27.3°C 81.1°F

28.1°C 82.6°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

24.1km/h 15mph

24.3km/h 15.1mph

25.5km/h 15.8mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

15.9

19.3

14.2

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

10.3

7.6

11.2

Average UV index

Average cloud cover

36%

40%

Average visibility

10km 6.2mi

Average temperature in May
Basseterre, Saint Kitts and Nevis

Average high temperature in May: 27.3°C

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).

Average low temperature in May: 26.3°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).

[Resources]

Average pressure in May
Basseterre, Saint Kitts and Nevis

Average pressure in May: 1015.4mbar

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).

[Resources]

Average wind speed in May
Basseterre, Saint Kitts and Nevis

Average wind speed in May: 23.7km/h

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).

[Resources]

Average humidity in May
Basseterre, Saint Kitts and Nevis

Average humidity in May: 78%

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%).

[Resources]

Average rainfall in May
Basseterre, Saint Kitts and Nevis

Average rainfall in May: 43mm

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

[Resources]

Average rainfall days in May
Basseterre, Saint Kitts and Nevis

Average rainfall days in May: 19.3 days

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).

[Resources]

Average sea temperature in May
Basseterre, Saint Kitts and Nevis

Average sea temperature in May: 27°C

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).

[Resources]

Average daylight in May /
Average sunshine in May
Basseterre, Saint Kitts and Nevis

Average daylight in May: 12h and 57min

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).

Average sunshine in May: 10h and 24min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

[Resources]

Average sunshine days in May
Basseterre, Saint Kitts and Nevis

Average sunshine days in May: 7.6 days

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

[Resources]

Average UV index in May
Basseterre, Saint Kitts and Nevis

Average UV index in May: 7

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).

[Resources]

Average cloud cover in May
Basseterre, Saint Kitts and Nevis

Average cloud cover in May: 40

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).

[Resources]

Average visibility in May
Basseterre, Saint Kitts and Nevis

Average visibility in May: 10km

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).

[Resources]

May weather forecast
Basseterre, Saint Kitts and Nevis

Contents