Charlotte Amalie
United States Virgin Islands, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Charlotte Amalie, VI

An aerial night view of the Charlotte Amalie Harbour within the United States Virgin Islands
An aerial night view of the Charlotte Amalie Harbour within the United States Virgin Islands
May, the last month of the spring, in Charlotte Amalie, is another hot month, with average temperature fluctuating between 76.3°F (24.6°C) and 87.6°F (30.9°C).

Temperature

In Charlotte Amalie, the average high-temperature is essentially the same as in April - a still hot 87.6°F (30.9°C). In Charlotte Amalie, United States Virgin Islands, in May, the average low-temperature is 76.3°F (24.6°C).

Rainfall

In Charlotte Amalie, during May, the rain falls for 11.9 days and regularly aggregates up to 3.1" (77.5mm) of precipitation. In Charlotte Amalie, United States Virgin Islands, during the entire year, the rain falls for 163.7 days and collects up to 38.9" (989.1mm) of precipitation.

Ocean temperature

In Charlotte Amalie, the average water temperature is 81.5°F (27.5°C).
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

In Charlotte Amalie, the average length of the day is 13h.

Sunshine

The average sunshine in May is 8h.

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index in Charlotte Amalie. A UV Index estimate of 11, and higher, represents an extreme threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 12 transform into the following instructions:
Practice all essential precautions. Protection against sun damage is crucial. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in May in Charlotte Amalie?

In May, in Charlotte Amalie, United States Virgin Islands, the average high-temperature is 87.6°F (30.9°C), and the average low-temperature is 76.3°F (24.6°C).

How much does it rain in Charlotte Amalie in May?

In Charlotte Amalie, in May, it is raining for 11.9 days, with typically 3.1" (77.5mm) of accumulated precipitation.

How warm is the water in May in Charlotte Amalie?

In May, the average ocean temperature in Charlotte Amalie, United States Virgin Islands, is 81.5°F (27.5°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in May in Charlotte Amalie?

The average length of the day in May in Charlotte Amalie, United States Virgin Islands, is 13h.

How many hours of sunshine does Charlotte Amalie have in May?

The average sunshine in May in Charlotte Amalie, United States Virgin Islands, is 8h.

What is the month with the highest UV index in Charlotte Amalie?

March through September, with an average maximum UV index of 12, are months with the highest UV index in Charlotte Amalie.

What is the UV index reading in May in Charlotte Amalie?

In Charlotte Amalie, United States Virgin Islands, the average daily maximum UV index in May is 12. A UV Index of 11, and more, symbolizes an extreme health vulnerability from unprotected exposure to the UV radiation.
Average temperature in May - Charlotte Amalie, VI
  • Average high temperature in May: 87.6°F

The warmest month (with the highest average high temperature) is August (90.2°F).
Months with the lowest average high temperature are January and February (85.1°F).

  • Average low temperature in May: 76.2°F

The month with the highest average low temperature is August (78.1°F).
The coldest month (with the lowest average low temperature) is February (72.3°F).

Average rainfall in May - Charlotte Amalie, VI
  • Average rainfall in May: 3.1"

The wettest month (with the highest rainfall) is November (6").
The driest month (with the lowest rainfall) is March (1.1").

Average rainfall days in May - Charlotte Amalie, VI
  • Average rainfall days in May: 11.9 days

The month with the highest number of rainy days is November (17.8 days).
The month with the lowest number of rainy days is March (8.1 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

The month with the longest days is June (Average daylight: 13.2h).
The month with shortest days is December (Average daylight: 11h).

  • Average sunshine in May: 8h

Months with most sunshine are March, April, July and August (Average sunshine: 9h).
Months with least sunshine are November and December (Average sunshine: 7).

Average UV index in May - Charlotte Amalie, VI
  • Average UV index in May: 12

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 7).