May weather forecastCharlotte Amalie, VI
May
Weather in May
The gateway to summer, May in Charlotte Amalie, is a period of notable weather elements. A noticeable increase occurs in rainfall, with May recording 3.03" (77mm) of rainfall, nearly twice as much compared to April. Despite the increase in rain, the city remains an attractive destination. Landscapes drape themselves in lush colors, brought about by the extended hours of sunshine. Increased humidity levels tell tales of the approaching tropical summer, filling the days and nights with a sultry essence.Temperature
During May, Charlotte Amalie observes a subtle ascent to a still warm 81.1°F (27.3°C) from April's 79.5°F (26.4°C) in the average high-temperature. With a barely noticeable fluctuation in temperature, Charlotte Amalie reaches an average low of 77.7°F (25.4°C) during the May nights.Heat index
The heat index value for May is appraised at a hot 86°F (30°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.When referencing the heat index, its values are suitable for shady environments and light breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
May through August, with an average relative humidity of 78%, are the most humid months in Charlotte Amalie.Rainfall
In Charlotte Amalie, in May, it is raining for 20.9 days, with typically 3.03" (77mm) of accumulated precipitation. Throughout the year, in Charlotte Amalie, United States Virgin Islands, there are 253.1 rainfall days, and 33.27" (845mm) of precipitation is accumulated.Ocean temperature
In Charlotte Amalie, the average seawater temperature in May is 81.5°F (27.5°C).Note: Water temperatures between 77°F (25°C) and 84.2°F (29°C) are ideal for swimming, diving, and other activities, ensuring comfort and enjoyment for lengthened periods.
Daylight
In May, the average length of the day is 13h and 0min.On the first day of May, sunrise is at 5:52 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 6:52 pm AST.
Sunshine
In Charlotte Amalie, the average sunshine in May is 10.3h.UV index
The months with the highest UV index in Charlotte Amalie are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 7 during May translates into the following directions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Charlotte Amalie, VI
- Average high temperature in May: 81.1°F
The warmest month (with the highest average high temperature) is September (84°F).
The month with the lowest average high temperature is March (78.4°F).
- Average low temperature in May: 77.7°F
The month with the highest average low temperature is October (81.5°F).
The coldest month (with the lowest average low temperature) is March (75.7°F).
Average pressure in May
Charlotte Amalie, VI
- Average pressure in May: 29.99"Hg
The months with the highest atmospheric pressure are January and February (30.02"Hg).
The months with the lowest atmospheric pressure are October and November (29.91"Hg).
Average wind speed in May
Charlotte Amalie, VI
- Average wind speed in May: 13.1mph
The windiest month (with the highest average wind speed) is July (15mph).
The calmest month (with the lowest average wind speed) is October (11.1mph).
Average humidity in May
Charlotte Amalie, VI
- 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, October, November and December (75%).
Average rainfall in May
Charlotte Amalie, VI
- Average rainfall in May: 3.03"
The wettest month (with the highest rainfall) is September (4.45").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in May
Charlotte Amalie, VI
- Average rainfall days in May: 20.9 days
The month with the highest number of rainy days is November (25.5 days).
The months with the least rainy days are February, March and June (18.2 days).
Average sea temperature in May
Charlotte Amalie, VI
- Average sea temperature in May: 81.5°F
The best month for swimming (with the highest average sea temperature) is September (85°F).
The coldest month (with the lowest average sea temperature) is February (78.7°F).
Average daylight in May /
Average sunshine in May
Charlotte Amalie, VI
- Average daylight in May: 13h and 0min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in May: 10h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are November and December (Average sunshine: 6h and 30min).
Average sunshine days in May
Charlotte Amalie, VI
- Average sunshine days in May: 5.4 days
The months with the most sunshine days are March and April (7.3 days).
The month with the least sunshine days is November (2.4 days).
Average UV index in May
Charlotte Amalie, VI
- 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
Charlotte Amalie, VI
- Average cloud cover in May: 40
The months with the most cloud cover are May and July (Cloud cover 40).
The month with the least cloud cover is February (Cloud cover 33).
Average visibility in May
Charlotte Amalie, VI
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
