Castries City
Saint Lucia
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Castries City, Saint Lucia

A high scenic panorama of the beautiful city of Castries, Saint Lucia
A high scenic panorama of the beautiful city of Castries, Saint Lucia
March, the first month of the spring, in Castries City, is also a moderately hot month, with average temperature varying between 28°C (82.4°F) and 22°C (71.6°F).

Temperature

January through March and December, with an average high-temperature of 28°C (82.4°F), are the coldest months.

Rainfall

March is the month with the least rainfall. Rain falls for 13 days and accumulates 99mm (3.9") of precipitation.

Sea temperature

Months with the coldest seawater in Castries City are February and March, with an average sea temperature of 26°C (78.8°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

In March, the average length of the day is 12.1h.

Sunshine

January through September, November and December, with an average of 8h of sunshine, are months with the most sunshine.

UV index

Months with the highest UV index in Castries City are March through September, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an ultimate health vulnerability from the exposure to the Sun's UV rays for the ordinary person.
The average daily UV index of 12 transform into the following instructions:
Take all required precautions, as unprotected skin and eyes can burn in minutes. 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. 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. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What are the coldest months in Castries City?

The coldest months are January through March and December, with an average high-temperature of 28°C (82.4°F).

What is the temperature in March in Castries City?

The average high-temperature, in March, in Castries City, is 28°C (82.4°F), while the average low-temperature is 22°C (71.6°F).

How much does it rain in Castries City in March?

In Castries City, in March, during 13 rainfall days, 99mm (3.9") of precipitation is typically accumulated.

What is the driest month in Castries City?

The month with the least rainfall in Castries City is March when the rain falls for 13 days and typically collects 99mm (3.9") of precipitation.

What months are the sea coldest in Castries City?

Months with the coldest seawater in Castries City, Saint Lucia, are February and March, with an average sea temperature of 26°C (78.8°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) 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 water temperature in March in Castries City?

In Castries City, the average seawater temperature in March is 26°C (78.8°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) 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 Castries City have in March?

The average length of the day in March is 12.1h.

What is the month with the most sunshine in Castries City?

January through September, November and December, with an average of 8h of sunshine, are months with the most sunshine in Castries City.

How many hours of sunshine does Castries City have in March?

In March, the average sunshine is 8h.

What is the month with the highest UV index in Castries City?

Months with the highest UV index in Castries City, Saint Lucia, are March through September, with an average maximum UV index of 12.

What is the UV index intensity in March in Castries City?

The average daily maximum UV index in March is 12. A UV Index of 11, and more, symbolizes an extreme health threat from the exposure to the Sun's UV rays.
Average temperature in March - Castries City, Saint Lucia
  • Average high temperature in March: 28°C

Warmest months (with the highest average high temperature) are May, June, July, August, September and October (30°C).
Months with the lowest average high temperature are January, February, March and December (28°C).

  • Average low temperature in March: 22°C

Months with the highest average low temperature are May, June, July, August and September (24°C).
Coldest months (with the lowest average low temperature) are January, February, March and December (22°C).

Average rainfall in March - Castries City, Saint Lucia
  • Average rainfall in March: 99mm

The wettest month (with the highest rainfall) is October (303mm).
The driest month (with the lowest rainfall) is March (99mm).

Average rainfall days in March - Castries City, Saint Lucia
  • Average rainfall days in March: 13 days

The month with the highest number of rainy days is September (24 days).
The month with the lowest number of rainy days is April (11 days).

Average sea temperature in March - Castries City, Saint Lucia
  • Average sea temperature in March: 26°C

Best months for swimming (with the highest average sea temperature) are September and October (29°C).
Coldest months (with the lowest average sea temperature) are February and March (26°C).

Average daylight in March / Average sunshine in March - Castries City, Saint Lucia
  • Average daylight in March: 12.1h

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

  • Average sunshine in March: 8h

Months with most sunshine are January, February, March, April, May, June, July, August, September, November and December (Average sunshine: 8h).
The month with least sunshine is October (Average sunshine: 7h).

Average UV index in March - Castries City, Saint Lucia
  • Average UV index in March: 12

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 8).