April weather forecast
Charlotte Amalie, VI

The Charlotte Amalie Harbour within the United States Virgin Islands
The Charlotte Amalie Harbour within the United States Virgin Islands

Weather in April

April, the same as March, is a moderately hot spring month in Charlotte Amalie, United States Virgin Islands, with an average temperature varying between 79.5°F (26.4°C) and 76.8°F (24.9°C).

Temperature

In Charlotte Amalie, the average high-temperature in April is almost the same as in March - a still moderately hot 79.5°F (26.4°C). In April, in Charlotte Amalie, the average low-temperature is 76.8°F (24.9°C).

Humidity

In April, the average relative humidity in Charlotte Amalie is 76%.

Rainfall

In Charlotte Amalie, during April, the rain falls for 18.3 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, there are 253.1 rainfall days, and 33.27" (845mm) of precipitation is accumulated.

Ocean temperature

In Charlotte Amalie, the average seawater temperature in April is 80.6°F (27°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

The average length of the day in April in Charlotte Amalie is 12h and 34min.
On the first day of April in Charlotte Amalie, sunrise is at 6:13 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 6:40 pm AST.

Sunshine

In Charlotte Amalie, the average sunshine in April is 9.3h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index in Charlotte Amalie, United States Virgin Islands, are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 7 in April transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in April in Charlotte Amalie?

In Charlotte Amalie, in April, the average high-temperature is 79.5°F (26.4°C), and the average low-temperature is 76.8°F (24.9°C).

What is the average humidity in April in Charlotte Amalie?

In Charlotte Amalie, the average relative humidity in April is 76%.

How much does it rain in Charlotte Amalie in April?

In April, the rain falls for 18.3 days. Throughout April, 1.5" (38mm) of precipitation is accumulated.

What is the ocean temperature in April in Charlotte Amalie?

In Charlotte Amalie, the average seawater temperature in April is 80.6°F (27°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 April in Charlotte Amalie?

In April, the average day length in Charlotte Amalie, United States Virgin Islands, is 12h and 34min.

What time are sunrise and sunset in April in Charlotte Amalie?

On the first day of April in Charlotte Amalie, United States Virgin Islands, sunrise is at 6:13 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 6:40 pm AST.

How long on average sun shines in April in Charlotte Amalie?

In April, the average sunshine duration is 9.3h.

When is the highest UV index in Charlotte Amalie?

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

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

The months with the lowest UV index in Charlotte Amalie are January through December, with an average maximum UV index of 7.

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

The average daily maximum UV index in April in Charlotte Amalie is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in April
Charlotte Amalie, VI

Average temperature in April - Charlotte Amalie, VI
  • Average high temperature in April: 79.5°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 April: 76.8°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).

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Average pressure in April
Charlotte Amalie, VI

Average pressure in April - Charlotte Amalie, VI
  • Average pressure in April: 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).

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Average wind speed in April
Charlotte Amalie, VI

Average wind speed in April - Charlotte Amalie, VI
  • Average wind speed in April: 13.2mph

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).

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Average humidity in April
Charlotte Amalie, VI

Average humidity in April - Charlotte Amalie, VI
  • Average humidity in April: 76%

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%).

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Average rainfall in April
Charlotte Amalie, VI

Average rainfall in April - Charlotte Amalie, VI
  • Average rainfall in April: 1.5"

The wettest month (with the highest rainfall) is September (4.45").
The driest month (with the least rainfall) is February (1.22").

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Average rainfall days in April
Charlotte Amalie, VI

Average rainfall days in April - Charlotte Amalie, VI
  • Average rainfall days in April: 18.3 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).

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Average sea temperature in April
Charlotte Amalie, VI

Average sea temperature in April - Charlotte Amalie, VI
  • Average sea temperature in April: 80.6°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).

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Average daylight in April /
Average sunshine in April
Charlotte Amalie, VI

Average daylight in April / Average sunshine in April - Charlotte Amalie, VI
  • Average daylight in April: 12h and 34min

The month with the longest days is June (Average daylight: 13h and 13min).
The month with the shortest days is December (Average daylight: 11h and 3min).

  • Average sunshine in April: 9h 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).

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Average sunshine days in April
Charlotte Amalie, VI

Average sunshine days in April - Charlotte Amalie, VI
  • Average sunshine days in April: 7.3 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).

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Average UV index in April
Charlotte Amalie, VI

Average UV index in April - Charlotte Amalie, VI
  • Average UV index in April: 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).

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Average cloud cover in April
Charlotte Amalie, VI

Average cloud cover in April - Charlotte Amalie, VI
  • Average cloud cover in April: 35

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).

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Average visibility in April
Charlotte Amalie, VI

Average visibility in April - Charlotte Amalie, VI
  • Average visibility in April: 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).

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