October 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 October

October, the same as September, is a moderately hot autumn month in Charlotte Amalie, United States Virgin Islands, with temperature in the range of an average high of 83.7°F (28.7°C) and an average low of 81.5°F (27.5°C).

Temperature

In October, the average high-temperature is practically the same as in September - a still moderately hot 83.7°F (28.7°C). The average low-temperature, in Charlotte Amalie, is 81.5°F (27.5°C).

Heat index

In October, the average heat index is evaluated at a hot 91.4°F (33°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'real feel', or 'apparent temperature', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, metabolic differences, differences in body mass, height, and shape, and pregnancy affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

January through March, October through December, with an average relative humidity of 75%, are the least humid months.

Rainfall

In Charlotte Amalie, during October, the rain falls for 23.6 days and regularly aggregates up to 4.37" (111mm) of precipitation. Throughout the year, there are 253.1 rainfall days, and 33.27" (845mm) of precipitation is accumulated.

Ocean temperature

In Charlotte Amalie, in October, the average water temperature is 84.6°F (29.2°C).
Note: 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.

Daylight

In October, the average length of the day in Charlotte Amalie is 11.7h.

Sunshine

In Charlotte Amalie, the average sunshine is 7.4h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. 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 hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 7 in October transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the temperature in October in Charlotte Amalie?

In October, in Charlotte Amalie, United States Virgin Islands, the average high-temperature is 83.7°F (28.7°C), and the average low-temperature is 81.5°F (27.5°C). In October, the average heat index (a.k.a. 'feels like', 'felt air temperature'), that combines air temperature and relative humidity, is evaluated at 91.4°F (33°C).

What is the least humid month in Charlotte Amalie?

Months with the lowest humidity in Charlotte Amalie are January through March, October through December, with an average relative humidity of 75%.

What is the average humidity in October in Charlotte Amalie?

The average relative humidity in October is 75%.

How much does it rain in Charlotte Amalie in October?

In Charlotte Amalie, United States Virgin Islands, during October, the rain falls for 23.6 days and regularly aggregates up to 4.37" (111mm) of precipitation.

What is the ocean temperature in October in Charlotte Amalie?

In October, the average ocean temperature in Charlotte Amalie is 84.6°F (29.2°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 October in Charlotte Amalie?

In October, the average length of the day in Charlotte Amalie, United States Virgin Islands, is 11.7h.

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

The average sunshine in October is 7.4h.

What is the month with 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 in Charlotte Amalie.

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

The average daily maximum UV index in October in Charlotte Amalie is 7. A UV Index of 6 to 7 symbolizes a high health threat from the exposure to the Sun's UV rays.

Average temperature in October
Charlotte Amalie, VI

Average temperature in October - Charlotte Amalie, VI
  • Average high temperature in October: 83.7°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 October: 81.5°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 October
Charlotte Amalie, VI

Average pressure in October - Charlotte Amalie, VI
  • Average pressure in October: 29.91"

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 October
Charlotte Amalie, VI

Average wind speed in October - Charlotte Amalie, VI
  • Average wind speed in October: 11.1mph

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 October
Charlotte Amalie, VI

Average humidity in October - Charlotte Amalie, VI
  • Average humidity in October: 75%

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 October
Charlotte Amalie, VI

Average rainfall in October - Charlotte Amalie, VI
  • Average rainfall in October: 4.37"

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 October
Charlotte Amalie, VI

Average rainfall days in October - Charlotte Amalie, VI
  • Average rainfall days in October: 23.6 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 October
Charlotte Amalie, VI

Average sea temperature in October - Charlotte Amalie, VI
  • Average sea temperature in October: 84.5°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 October /
Average sunshine in October
Charlotte Amalie, VI

Average daylight in October / Average sunshine in October - Charlotte Amalie, VI
  • Average daylight in October: 11.7h

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 October: 7.4h

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 October
Charlotte Amalie, VI

Average sunshine days in October - Charlotte Amalie, VI
  • Average sunshine days in October: 4.5 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 October
Charlotte Amalie, VI

Average UV index in October - Charlotte Amalie, VI
  • Average UV index in October: 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 October
Charlotte Amalie, VI

Average cloud cover in October - Charlotte Amalie, VI
  • Average cloud cover in October: 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 October
Charlotte Amalie, VI

Average visibility in October - Charlotte Amalie, VI
  • Average visibility in October: 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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