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

January 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
January, like December, in Charlotte Amalie, United States Virgin Islands, is a moderately hot winter month, with temperature in the range of an average low of 72.3°F (22.4°C) and an average high of 85.1°F (29.5°C).

Temperature

January and February, with an average high-temperature of 85.1°F (29.5°C), are the coldest months.

Rainfall

In January, in Charlotte Amalie, the rain falls for 14.3 days. Throughout January, 2.2" (54.9mm) of precipitation is accumulated. Throughout the year, there are 163.7 rainfall days, and 38.9" (989.1mm) of precipitation is accumulated.

Ocean temperature

In Charlotte Amalie, the average seawater temperature in January is 79.5°F (26.4°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.

Daylight

The average length of the day in Charlotte Amalie is 11.2h.

Sunshine

In Charlotte Amalie, the average sunshine is 8h.

UV index

In January, the average daily maximum UV index is 8. A UV Index value of 8 to 10 symbolizes a very high threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
The daily maximum UV index of 8 interpret into the following advice:
Take extra precautions. Protection against sun damage is required. 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. 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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What are the coldest months in Charlotte Amalie?

January and February, with an average high-temperature of 85.1°F (29.5°C), are the coldest months in Charlotte Amalie.

What is the temperature in January in Charlotte Amalie?

In January, in Charlotte Amalie, United States Virgin Islands, the average high-temperature is 85.1°F (29.5°C), and the average low-temperature is 72.3°F (22.4°C).

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

In January, in Charlotte Amalie, the rain falls for 14.3 days. Throughout January, 2.2" (54.9mm) of precipitation is accumulated.

What is the water temperature in January in Charlotte Amalie?

In Charlotte Amalie, United States Virgin Islands, the average seawater temperature in January is 79.5°F (26.4°C). 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.

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

In Charlotte Amalie, the average length of the day in January is 11.2h.

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

The average sunshine in January is 8h.

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

The average daily maximum UV index in January in Charlotte Amalie, United States Virgin Islands, is 8. A UV Index reading of 8 to 10 represents a very high hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in January - Charlotte Amalie, VI
  • Average high temperature in January: 85.1°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 January: 72.4°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 January - Charlotte Amalie, VI
  • Average rainfall in January: 2.2"

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 January - Charlotte Amalie, VI
  • Average rainfall days in January: 14.3 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 January - Charlotte Amalie, VI
  • Average sea temperature in January: 79.5°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 January / Average sunshine in January - Charlotte Amalie, VI
  • Average daylight in January: 11.2h

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 January: 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 January - Charlotte Amalie, VI
  • Average UV index in January: 8

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).