January weather forecast and climate
Marigot Bay, Saint Lucia

Weather in January

January, like December, in Marigot Bay, Saint Lucia, is a moderately hot winter month, with average temperature varying between 25.1°C (77.2°F) and 27.5°C (81.5°F).

Temperature

The coldest months are January and February, with an average high-temperature of 27.5°C (81.5°F).

Heat index

In January, the average heat index is evaluated at a tropical 30.1°C (86.2°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. 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', 'felt air temperature', or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like differences in body mass, height, and shape, pregnancy, clothing, 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

Months with the lowest humidity in Marigot Bay are January through March and September, with an average relative humidity of 73%.

Rainfall

In Marigot Bay, during January, the rain falls for 19.2 days and regularly aggregates up to 26mm (1.02") of precipitation. Throughout the year, in Marigot Bay, there are 255.2 rainfall days, and 560mm (22.05") of precipitation is accumulated.

Sea temperature

January through April, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater in Marigot Bay, Saint Lucia.
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

The average length of the day in Marigot Bay, Saint Lucia, is 11.4h.

Sunshine

In Marigot Bay, Saint Lucia, the average sunshine in January is 7h.

UV index

Months with the highest UV index in Marigot Bay are January through May, July through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 7 in January interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. 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 reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the coldest month in Marigot Bay?

The coldest months in Marigot Bay, Saint Lucia, are January and February, with an average high-temperature of 27.5°C (81.5°F).

What is the temperature in January in Marigot Bay?

In Marigot Bay, in January, the average high-temperature is 27.5°C (81.5°F), and the average low-temperature is 25.1°C (77.2°F). In January, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that combines air temperature and relative humidity, is calculated to 30.1°C (86.2°F).

What is the least humid month in Marigot Bay?

Months with the lowest humidity in Marigot Bay are January through March and September, with an average relative humidity of 73%.

What is the average humidity in January in Marigot Bay?

In January, the average relative humidity in Marigot Bay is 73%.

How many days does it rain in January in Marigot Bay?

In January, the rain falls for 19.2 days. Throughout January, 26mm (1.02") of precipitation is accumulated.

What months are the sea coldest in Marigot Bay?

January through April, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater in Marigot Bay.

What is the sea water temperature in January in Marigot Bay?

In January, the average sea temperature in Marigot Bay, Saint Lucia, is 27°C (80.6°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in January in Marigot Bay?

The average length of the day in January in Marigot Bay is 11.4h.

How many hours of sunshine does Marigot Bay have in January?

In Marigot Bay, the average sunshine in January is 7h.

When is the highest UV index in Marigot Bay?

Months with the highest UV index in Marigot Bay, Saint Lucia, are January through May, July through December, with an average maximum UV index of 7.

How high is the UV index in January in Marigot Bay?

In January, the average daily maximum UV index in Marigot Bay, Saint Lucia, is 7. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to the Sun's UV rays.

Average temperature in January
Marigot Bay, Saint Lucia

Average temperature in January - Marigot Bay, Saint Lucia
  • Average high temperature in January: 27.5°C

The warmest month (with the highest average high temperature) is September (30.3°C).
Months with the lowest average high temperature are January and February (27.5°C).

  • Average low temperature in January: 25.1°C

The month with the highest average low temperature is October (27.2°C).
The coldest month (with the lowest average low temperature) is March (25°C).

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Average pressure in January
Marigot Bay, Saint Lucia

Average pressure in January - Marigot Bay, Saint Lucia
  • Average pressure in January: 1014.6mbar

The month with the highest atmospheric pressure is June (1015mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).

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Average wind speed in January
Marigot Bay, Saint Lucia

Average wind speed in January - Marigot Bay, Saint Lucia
  • Average wind speed in January: 24.5km/h

The windiest month (with the highest average wind speed) is February (24.7km/h).
The calmest month (with the lowest average wind speed) is September (16.7km/h).

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Average humidity in January
Marigot Bay, Saint Lucia

Average humidity in January - Marigot Bay, Saint Lucia
  • Average humidity in January: 73%

Months with the highest relative humidity are May, June, July, August and November (75%).
Months with the lowest relative humidity are January, February, March and September (73%).

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Average rainfall in January
Marigot Bay, Saint Lucia

Average rainfall in January - Marigot Bay, Saint Lucia
  • Average rainfall in January: 26mm

The wettest month (with the highest rainfall) is August (82mm).
The driest month (with the least rainfall) is February (19mm).

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Average rainfall days in January
Marigot Bay, Saint Lucia

Average rainfall days in January - Marigot Bay, Saint Lucia
  • Average rainfall days in January: 19.2 days

The month with the highest number of rainy days is July (26.5 days).
The month with the least rainy days is February (16.4 days).

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Average sea temperature in January
Marigot Bay, Saint Lucia

Average sea temperature in January - Marigot Bay, Saint Lucia
  • Average sea temperature in January: 27°C

The best months for swimming (with the highest average sea temperature) are September and October (29°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (27°C).

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Average daylight in January /
Average sunshine in January
Marigot Bay, Saint Lucia

Average daylight in January / Average sunshine in January - Marigot Bay, Saint Lucia
  • Average daylight in January: 11.4h

Months with the longest days are June and July (Average daylight: 12.9h).
The month with the shortest days is December (Average daylight: 11.3h).

  • Average sunshine in January: 7h

The month with the most sunshine is April (Average sunshine: 9.8h).
The month with the least sunshine is December (Average sunshine: 6.4h).

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Average sunshine days in January
Marigot Bay, Saint Lucia

Average sunshine days in January - Marigot Bay, Saint Lucia
  • Average sunshine days in January: 7.8 days

The month with the most sunshine days is January (7.8 days).
The month with the least sunshine days is July (0.8 days).

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Average UV index in January
Marigot Bay, Saint Lucia

Average UV index in January - Marigot Bay, Saint Lucia
  • Average UV index in January: 7

Months with the highest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is June (UV index 6).

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Average cloud cover in January
Marigot Bay, Saint Lucia

Average cloud cover in January - Marigot Bay, Saint Lucia
  • Average cloud cover in January: 39

Months with the most cloud cover are June and July (Cloud cover 48).
The month with the least cloud cover is February (Cloud cover 38).

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Average visibility in January
Marigot Bay, Saint Lucia

Average visibility in January - Marigot Bay, Saint Lucia
  • Average visibility in January: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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