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

October 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
October, like September, in Charlotte Amalie, United States Virgin Islands, is a moderately hot autumn month, 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 Charlotte Amalie, the average high-temperature in October is practically the same as in September - a still moderately hot 83.7°F (28.7°C). In Charlotte Amalie, the average low-temperature is 81.5°F (27.5°C).

Heat index

The average heat index is estimated at a tropical 91.4°F (33°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'feels like', or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like clothing, metabolic differences, wind, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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

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

Rainfall

In October, the rain falls for 23.6 days. Throughout October, 4.37" (111mm) of precipitation is 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: 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 October, the average length of the day in Charlotte Amalie, United States Virgin Islands, is 11.7h.

Sunshine

The average sunshine in Charlotte Amalie is 7.4h.

UV index

Months with the highest UV index in Charlotte Amalie are January through December, with an average maximum UV index of 7. Months with the lowest UV index in Charlotte Amalie, United States Virgin Islands, are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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 strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in October in Charlotte Amalie?

The average high-temperature, in October, is 83.7°F (28.7°C), while the average low-temperature is 81.5°F (27.5°C). In October, the average heat index (a.k.a. 'feels like', 'apparent temperature'), that represents influence of the relative humidity to air temperaure, is calculated to 91.4°F (33°C).

What are the least humid months in Charlotte Amalie?

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

What is the average humidity in October in Charlotte Amalie?

In Charlotte Amalie, the average relative humidity in October is 75%.

How much does it rain in Charlotte Amalie in October?

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

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.

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

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

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

The average sunshine in October is 7.4h.

What are the months with 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?

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

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

In October, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in October - Charlotte Amalie, VI
  • Average high temperature in October: 28.7°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 October: 27.5°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 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%).

Average rainfall in October - Charlotte Amalie, VI
  • Average rainfall in October: 111mm

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

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

Average sea temperature in October - Charlotte Amalie, VI
  • Average sea temperature in October: 29.2°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 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 shortest days is December (Average daylight: 11h).

  • Average sunshine in October: 7.4h

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 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).