July weather forecast
Charlotte Amalie, VI

As summer continues in full swing, weather in July in Charlotte Amalie becomes collectively warmer. Peak sea temperatures of 84.4°F (29.1°C) combine with the humidity to paint a typical picture of Caribbean summers. Visitors find solace in the cool, enveloping sea. The welcomed gusts of wind add an extra layer of comfort to the balmy summer days. The beauty of the city is amplified by the extended daylight hours, making July a popular time for tourism.

Temperature

The advent of July in Charlotte Amalie signifies a minor shift to an average high-temperature of a still warm 82.9°F (28.3°C), aligning closely with June. Throughout the nights in July, Charlotte Amalie notes an average low of 80.2°F (26.8°C), a small dip from the daytime peak.

Heat index

For most parts of July, the heat index is appraised at a hot 91.4°F (33°C). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

May through August, with an average relative humidity of 78%, are the most humid months.

Rainfall

In Charlotte Amalie, United States Virgin Islands, in July, during 21.7 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. Throughout the year, in Charlotte Amalie, there are 253.1 rainfall days, and 33.27" (845mm) of precipitation is accumulated.

Ocean temperature

In July, the average ocean temperature in Charlotte Amalie is 83.7°F (28.7°C).
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) provides warmth and pleasure, making water activities enjoyable for lengthened periods without feeling uncomfortable.

Daylight

In Charlotte Amalie, the average length of the day in July is 13h and 7min.
On the first day of the month, sunrise is at 5:47 am and sunset at 7:00 pm. On the last day of July, in Charlotte Amalie, sunrise is at 5:57 am and sunset at 6:54 pm AST.

Sunshine

In July, the average sunshine in Charlotte Amalie is 10.3h.

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 in Charlotte Amalie. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In July, a regular UV index of 7 translates into these guidelines:
Shun overexposure. Protection from sun ravages is indispensable. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. 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 strength of the UV rays is significantly increased by the reflection of the water and sand.