April weather forecast
Castries City, Saint Lucia

The beautiful city of Castries, Saint Lucia
The beautiful city of Castries, Saint Lucia

Weather in April

April, the same as March, is another warm spring month in Castries City, Saint Lucia, with an average temperature ranging between min 23°C (73.4°F) and max 29°C (84.2°F).

Temperature

In Castries City, Saint Lucia, the average high-temperature in April is practically the same as in March - a still moderately hot 29°C (84.2°F). In Castries City, Saint Lucia, in April, the average low-temperature is 23°C (73.4°F).

Rainfall

In April, in Castries City, the rain falls for 11 days. Throughout April, 113mm (4.45") of precipitation is accumulated. In Castries City, Saint Lucia, during the entire year, the rain falls for 208 days and collects up to 2377mm (93.58") of precipitation.

Sea temperature

In Castries City, in April, the average water temperature is 27°C (80.6°F).
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

In Castries City, the average length of the day in April is 12h and 28min.
On the first day of April, sunrise is at 05:59 and sunset at 18:15. On the last day of the month, sunrise is at 05:42 and sunset at 18:20 AST.

Sunshine

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

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index in Castries City. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 12 in April transform into the following instructions:
Practice all essential precautions. Protection against sun damage is crucial. 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 the 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. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the temperature in April in Castries City?

In Castries City, Saint Lucia, in April, the average high-temperature is 29°C (84.2°F), and the average low-temperature is 23°C (73.4°F).

How many days does it rain in April in Castries City?

In Castries City, in April, it is raining for 11 days, with typically 113mm (4.45") of accumulated precipitation.

What is the sea water temperature in April in Castries City?

In Castries City, Saint Lucia, the average seawater temperature in April 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 April in Castries City?

The average day length in April in Castries City is 12h and 28min.

What time are sunrise and sunset in April in Castries City?

In April, on the first day of the month, sunrise is at 05:59 and sunset at 18:15. On the last day of the month, sunrise is at 05:42 and sunset at 18:20 AST.

What are the months 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 long on average sun shines in April in Castries City?

In Castries City, Saint Lucia, the average sunshine duration in April is 8h.

What are the months with the highest UV index in Castries City?

The months with the highest UV index in Castries City are March through September, with an average maximum UV index of 12.

How high is the UV index in April in Castries City?

The average daily maximum UV index in April in Castries City is 12. A UV Index of 11, and more, symbolizes an extreme health vulnerability from unprotected exposure to UV radiation.
Average rainfall days
Average sunshine
Average UV index

Average temperature in April
Castries City, Saint Lucia

Average temperature in April - Castries City, Saint Lucia
  • Average high temperature in April: 29°C

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

  • Average low temperature in April: 23°C

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

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Average rainfall in April
Castries City, Saint Lucia

Average rainfall in April - Castries City, Saint Lucia
  • Average rainfall in April: 113mm

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

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Average rainfall days in April
Castries City, Saint Lucia

Average rainfall days in April - Castries City, Saint Lucia
  • Average rainfall days in April: 11 days

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

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Average sea temperature in April
Castries City, Saint Lucia

Average sea temperature in April - Castries City, Saint Lucia
  • Average sea temperature in April: 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 February and March (26°C).

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Average daylight in April /
Average sunshine in April
Castries City, Saint Lucia

Average daylight in April / Average sunshine in April - Castries City, Saint Lucia
  • Average daylight in April: 12h and 28min

The month with the longest days is June (Average daylight: 12h and 56min).
The month with the shortest days is December (Average daylight: 11h and 19min).

  • Average sunshine in April: 8h

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

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Average UV index in April
Castries City, Saint Lucia

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

The 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).

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