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, the same as September, in Charlotte Amalie, United States Virgin Islands, is a hot autumn month, with temperature in the range of an average high of 88.7°F (31.5°C) and an average low of 76.8°F (24.9°C).

Temperature

In Charlotte Amalie, the average high-temperature in October is essentially the same as in September - a still tropical 88.7°F (31.5°C). The average low-temperature, in Charlotte Amalie, is 76.8°F (24.9°C).

Rainfall

In Charlotte Amalie, in October, during 17.7 rainfall days, 5.9" (150.9mm) of precipitation is typically accumulated. Throughout the year, in Charlotte Amalie, there are 163.7 rainfall days, and 38.9" (989.1mm) of precipitation is accumulated.

Ocean temperature

In Charlotte Amalie, in October, the average water 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

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

Sunshine

The average sunshine in October is 8h.

UV index

In Charlotte Amalie, the average daily maximum UV index in October is 10. A UV Index estimate of 8 to 10 represents a very high health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In October, the average maximum UV index of 10 translate into the following recommendations:
Take special precautions, as unprotected skin can be damaged and can burn quickly. 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. 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. 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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in October in Charlotte Amalie?

In Charlotte Amalie, in October, the average high-temperature is 88.7°F (31.5°C), and the average low-temperature is 76.8°F (24.9°C).

How many days does it rain in October in Charlotte Amalie?

In Charlotte Amalie, in October, it is raining for 17.7 days, with typically 5.9" (150.9mm) of accumulated precipitation.

What is the ocean temperature in October in Charlotte Amalie?

In Charlotte Amalie, United States Virgin Islands, in October, the average water temperature is 84.6°F (29.2°C). 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.

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

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

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

The average sunshine in October is 8h.

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

In Charlotte Amalie, United States Virgin Islands, the average daily maximum UV index in October is 10. A UV Index reading of 8 to 10 represents a very high health threat from unsafe exposure to the Sun's UV rays.
Average temperature in October - Charlotte Amalie, VI
  • Average high temperature in October: 88.7°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 October: 76.9°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 October - Charlotte Amalie, VI
  • Average rainfall in October: 5.9"

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 October - Charlotte Amalie, VI
  • Average rainfall days in October: 17.7 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 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).

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: 8h

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 October - Charlotte Amalie, VI
  • Average UV index in October: 10

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).