April weather forecast and climate
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, like March, in Charlotte Amalie, United States Virgin Islands, is a moderately hot spring month, with average temperature fluctuating between 79.5°F (26.4°C) and 76.8°F (24.9°C).

Temperature

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

Humidity

The average relative humidity in Charlotte Amalie is 76%.

Rainfall

In Charlotte Amalie, United States Virgin Islands, during 18.3 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Charlotte Amalie, during the entire year, the rain falls for 253.1 days and collects up to 33.27" (845mm) of precipitation.

Ocean temperature

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

Daylight

In April, the average length of the day in Charlotte Amalie is 12.6h.

Sunshine

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

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV radiation for the average person.
Note: In April, the average maximum UV index of 7 translate into the following recommendations:
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. A wide-brim hat offers excellent sun protection for 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.
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FAQ

What is the temperature in April in Charlotte Amalie?

The average high-temperature, in April, in Charlotte Amalie, United States Virgin Islands, is 79.5°F (26.4°C), while the average low-temperature is 76.8°F (24.9°C).

What is the average humidity in April in Charlotte Amalie?

The average relative humidity in April in Charlotte Amalie is 76%.

How many days does it rain in April in Charlotte Amalie?

In Charlotte Amalie, in April, it is raining for 18.3 days, with typically 1.5" (38mm) of accumulated precipitation.

What is the ocean temperature in April in Charlotte Amalie?

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

How many hours of daylight does Charlotte Amalie have in April?

In Charlotte Amalie, the average length of the day in April is 12.6h.

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

In Charlotte Amalie, United States Virgin Islands, the average sunshine in April is 9.3h.

When is the highest UV index in Charlotte Amalie?

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

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

Months with the lowest UV index 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 is 7. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays.

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"

Months with the highest atmospheric pressure are January and February (30.02").
Months with the lowest atmospheric pressure are October and November (29.91").

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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%

Months with the highest relative humidity are May, June, July and August (78%).
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).
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: 12.6h

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

  • Average sunshine in April: 9.3h

The month with the most sunshine is June (Average sunshine: 10.5h).
Months with the least sunshine are November and December (Average sunshine: 6.5).

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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

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

Months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
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

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

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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