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, the same as December, is another warm winter month in Charlotte Amalie, United States Virgin Islands, with average temperature ranging between max 79.3°F (26.3°C) and min 77.4°F (25.2°C).

Temperature

In January, the average high-temperature is relatively the same as in December - a still moderately hot 79.3°F (26.3°C). The average low-temperature, is 77.4°F (25.2°C).

Humidity

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

Rainfall

In Charlotte Amalie, during 21.2 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. In Charlotte Amalie, United States Virgin Islands, during the entire year, the rain falls for 253.1 days and collects up to 33.27" (845mm) of precipitation.

Ocean temperature

In January, the average ocean temperature is 79.5°F (26.4°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, United States Virgin Islands, the average length of the day in January is 11.2h.

Sunshine

In Charlotte Amalie, the average sunshine in January is 8.1h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest 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. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to the UV radiation for average individuals.
Note: In January, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye 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 is the temperature in January in Charlotte Amalie?

In January, in Charlotte Amalie, United States Virgin Islands, the average high-temperature is 79.3°F (26.3°C), and the average low-temperature is 77.4°F (25.2°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.

What is the average humidity in January in Charlotte Amalie?

The average relative humidity in January in Charlotte Amalie, United States Virgin Islands, is 75%.

How much does it rain in Charlotte Amalie in January?

In Charlotte Amalie, United States Virgin Islands, during January, the rain falls for 21.2 days and regularly aggregates up to 1.54" (39mm) of precipitation.

What is the ocean temperature in January in Charlotte Amalie?

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

What is the average length of the day in January in Charlotte Amalie?

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

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

The average sunshine in January in Charlotte Amalie, United States Virgin Islands, is 8.1h.

What is the month with the highest UV index in Charlotte Amalie?

Months with the highest UV index 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.

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

In Charlotte Amalie, United States Virgin Islands, the average daily maximum UV index in January is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from the exposure to the Sun's UV rays.
Average temperature in January - Charlotte Amalie, VI
  • Average high temperature in January: 26.3°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 January: 25.2°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 January - Charlotte Amalie, VI
  • Average humidity in January: 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 January - Charlotte Amalie, VI
  • Average rainfall in January: 39mm

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

Average rainfall days in January - Charlotte Amalie, VI
  • Average rainfall days in January: 21.2 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 January - Charlotte Amalie, VI
  • Average sea temperature in January: 26.4°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 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: 8.1h

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