October weather forecast
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 low of 81.5°F (27.5°C) and an average high of 83.7°F (28.7°C).

Temperature

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

Heat index

The average heat index in October is computed to be 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 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 calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, differences in body mass, height, and shape, pregnancy), and activity. 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 particularly important for children. 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

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

Rainfall

In Charlotte Amalie, during 23.6 rainfall days, 4.37" (111mm) 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 October, the average ocean temperature is 84.6°F (29.2°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

The average length of the day in October in Charlotte Amalie is 11h and 43min.
On the first day of October in Charlotte Amalie, sunrise is at 6:10 am and sunset at 6:08 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 5:47 pm AST.

Sunshine

In Charlotte Amalie, the average sunshine in October is 7.4h.

UV index

The months with the highest UV index in Charlotte Amalie are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 7 in October interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. 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 October in Charlotte Amalie?

In October, 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. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 91.4°F (33°C).

What is the least humid month in Charlotte Amalie?

January through March, October through December, with an average relative humidity of 75%, are the least humid months in Charlotte Amalie, United States Virgin Islands.

What is the average humidity in October in Charlotte Amalie?

In Charlotte Amalie, United States Virgin Islands, 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, in October, during 23.6 rainfall days, 4.37" (111mm) of precipitation is typically accumulated.

How warm is the water 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.

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

The average day length in October is 11h and 43min.

When are sunrise and sunset in October in Charlotte Amalie?

On the first day of October in Charlotte Amalie, United States Virgin Islands, sunrise is at 6:10 am and sunset at 6:08 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 5:47 pm AST.

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

In October, the average sunshine duration is 7.4h.

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, United States Virgin Islands.

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, United States Virgin Islands.

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

In October, the average daily maximum UV index in Charlotte Amalie, United States Virgin Islands, is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to 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"Hg

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

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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%

The months with the highest relative humidity are May, June, July and August (78%).
The 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).
The 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: 11h and 43min

The month with the longest days is June (Average daylight: 13h and 13min).
The month with the shortest days is December (Average daylight: 11h and 3min).

  • Average sunshine in October: 7h and 24min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are November and December (Average sunshine: 6h and 30min).

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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

The 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

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

The 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

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

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