Contents
- 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
Weather in May
Temperature
With May's arrival, Basseterre's weather records an average high-temperature of a still warm 27.3°C (81.1°F), marking little difference from April's 26.3°C (79.3°F). In Basseterre, May is characterized by an average low-temperature of 26.3°C (79.3°F), indicating a minor drop from daytime highs.Heat index
May's average heat index is estimated at a hot 30°C (86°F). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.Know that the heat index computations account for shaded terrains and slight winds. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
The months with the highest humidity in Basseterre are May through August, with an average relative humidity of 78%.Rainfall
In Basseterre, in May, it is raining for 19.3 days, with typically 43mm (1.69") of accumulated precipitation. In Basseterre, during the entire year, the rain falls for 198.3 days and collects up to 386mm (15.2") of precipitation.Sea temperature
In Basseterre, in May, the average water temperature is 27°C (80.6°F).Note: Water temperature from 25°C (77°F) to 29°C (84.2°F) is considered very warm, making water activities enjoyable for prolonged periods without any uncomfortable sensations.
Daylight
In May, the average length of the day in Basseterre is 12h and 57min.On the first day of May in Basseterre, 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.
Sunshine
The average sunshine in May is 10.4h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index in Basseterre. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 7 in May interprets into the following advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Caution! Sand and water surfaces escalate the UV intensity from the Sun.
Frequently asked questions
What is the temperature in May in Basseterre?
What are the most humid months in Basseterre?
What is the average humidity in May in Basseterre?
How many days does it rain in May in Basseterre?
What is the water temperature in May in Basseterre?
What is the average length of the day in May in Basseterre?
When are sunrise and sunset in May in Basseterre?
How many hours of sunshine does Basseterre have in May?
What are the months with the highest UV index in Basseterre?
When is the lowest UV index in Basseterre?
What is the UV index reading in May in Basseterre?
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).
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).
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).
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%).
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).
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).
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).
Average daylight in May /
Average sunshine in May
Basseterre, Saint Kitts and Nevis
- Average daylight in May: 12h and 5min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in May: 10h and 2min
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).
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).
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).
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).
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).
Basseterre, Saint Kitts and Nevis
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