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

April 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
April, the same as March, is another warm spring month in Charlotte Amalie, United States Virgin Islands, with temperature in the range of an average low of 76.8°F (24.9°C) and an average high of 79.5°F (26.4°C).

Temperature

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

Humidity

The average relative humidity in April is 76%.

Rainfall

In Charlotte Amalie, in April, it is raining for 18.3 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, in Charlotte Amalie, there are 253.1 rainfall days, and 33.27" (845mm) of precipitation is accumulated.

Ocean temperature

In Charlotte Amalie, the average seawater 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 Charlotte Amalie, United States Virgin Islands, the average length of the day is 12.6h.

Sunshine

The average sunshine in April is 9.3h.

UV index

Months with the highest UV index are January through December, with an average maximum UV index of 7. 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 risk from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 7 transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. 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. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

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?

In Charlotte Amalie, United States Virgin Islands, the average relative humidity in April is 76%.

How much does it rain in Charlotte Amalie in April?

In Charlotte Amalie, during April, the rain falls for 18.3 days and regularly aggregates up to 1.5" (38mm) of precipitation.

What is the water temperature in April in Charlotte Amalie?

In April, the average ocean temperature 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.

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, the average sunshine in April is 9.3h.

When is the highest UV index in Charlotte Amalie?

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

What are the months with the lowest UV index in Charlotte Amalie?

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

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

In Charlotte Amalie, United States Virgin Islands, the average daily maximum UV index in April is 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to the UV radiation.
Average temperature in April - Charlotte Amalie, VI
  • Average high temperature in April: 26.4°C

The warmest month (with the highest average high temperature) is September (28.9°C).
The month with the lowest average high temperature is March (25.8°C).

  • Average low temperature in April: 24.9°C

The month with the highest average low temperature is October (27.5°C).
The coldest month (with the lowest average low temperature) is March (24.3°C).

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%).

Average rainfall in April - Charlotte Amalie, VI
  • Average rainfall in April: 38mm

The wettest month (with the highest rainfall) is September (113mm).
The driest month (with the lowest rainfall) is February (31mm).

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 lowest number of rainy days are February, March and June (18.2 days).

Average sea temperature in April - Charlotte Amalie, VI
  • Average sea temperature in April: 27°C

The best month for swimming (with the highest average sea temperature) is September (29.4°C).
The coldest month (with the lowest average sea temperature) is February (25.9°C).

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 shortest days is December (Average daylight: 11h).

  • Average sunshine in April: 9.3h

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

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).