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

July 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
July, like June, is another tropical summer month in Charlotte Amalie, United States Virgin Islands, with average temperature fluctuating between 90°F (32.2°C) and 78.1°F (25.6°C).

Temperature

In July, the average high-temperature is essentially the same as in June - a still hot 90°F (32.2°C). In July, the average low-temperature is 78.1°F (25.6°C).

Rainfall

In July, the rain falls for 14.8 days. Throughout July, 2.8" (71.6mm) of precipitation is accumulated. Throughout the year, there are 163.7 rainfall days, and 38.9" (989.1mm) of precipitation is accumulated.

Ocean temperature

In Charlotte Amalie, the average water temperature is 83.7°F (28.7°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 July, the average length of the day in Charlotte Amalie, United States Virgin Islands, is 13.1h.

Sunshine

Months with the most sunshine in Charlotte Amalie are March, April, July and August, with an average of 9h of sunshine.

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index of 11, and more, symbolizes an extreme health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 12 interpret into the following advice:
Take all necessary precautions, as unprotected skin can burn in minutes. 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. 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. 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 July in Charlotte Amalie?

The average high-temperature, in July, in Charlotte Amalie, is 90°F (32.2°C), while the average low-temperature is 78.1°F (25.6°C).

How much does it rain in Charlotte Amalie in July?

In Charlotte Amalie, United States Virgin Islands, during July, the rain falls for 14.8 days and regularly aggregates up to 2.8" (71.6mm) of precipitation.

What is the ocean temperature in July in Charlotte Amalie?

In Charlotte Amalie, United States Virgin Islands, the average seawater temperature in July is 83.7°F (28.7°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 July in Charlotte Amalie?

In Charlotte Amalie, the average length of the day in July is 13.1h.

What is the month with the most sunshine in Charlotte Amalie?

Months with the most sunshine in Charlotte Amalie are March, April, July and August, with an average of 9h of sunshine.

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

In Charlotte Amalie, the average sunshine in July is 9h.

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.

How high is the UV index in July in Charlotte Amalie?

In July, the average daily maximum UV index in Charlotte Amalie is 12. A UV Index estimate of 11, and higher, represents an extreme health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in July - Charlotte Amalie, VI
  • Average high temperature in July: 89.9°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 July: 78°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 July - Charlotte Amalie, VI
  • Average rainfall in July: 2.8"

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 July - Charlotte Amalie, VI
  • Average rainfall days in July: 14.8 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 July - Charlotte Amalie, VI
  • Average sea temperature in July: 83.6°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).

Average daylight in July / Average sunshine in July - Charlotte Amalie, VI
  • Average daylight in July: 13.1h

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 July: 9h

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