June weather forecast
Castries City, Saint Lucia

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

Weather in June

June in Castries City represents the peak of the hot season with temperatures maintaining their steadiness. With the arrival of dense clouds, the city receives a hefty 209mm (8.23") of rain. Locals and tourists indulge in indoor activities and vibrant cultural events designed to beat the heat and enjoy the city's spirit. Despite frequent showers, the temperature and humidity make the environment appear warm and cozy. Nighttime in the city is especially delightful, with the after-rain coolness creating a serene atmosphere.

Temperature

Castries City's warmest period falls in May through October, when the average high-temperatures ascend to 30°C (86°F).

Rainfall

In June, in Castries City, Saint Lucia, the rain falls for 19 days. Throughout June, 209mm (8.23") of precipitation is accumulated. In Castries City, during the entire year, the rain falls for 208 days and collects up to 2377mm (93.58") of precipitation.

Sea temperature

In Castries City, the average seawater temperature in June is 28°C (82.4°F).
Note: Water surface temperatures from 25°C (77°F) to 29°C (84.2°F) are considered optimal and extremely delightful for long-lasting pleasure in any water activity.

Daylight

June has the longest days of the year in Castries City, Saint Lucia, with an average of 12h and 54min of daylight.
On the first day of the month, sunrise is at 05:34 and sunset at 18:29. On the last day of June, in Castries City, Saint Lucia, sunrise is at 05:39 and sunset at 18:36 AST.

Sunshine

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

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index estimate of 11, and higher, represents an extreme health hazard from exposure to the Sun's UV rays for the average person.
Note: In June, a regular UV index of 12 translates into these guidelines:
Implement every essential safety step. Individuals with fair skin might receive burns in less than 5 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Sunscreen with an SPF of 30 or higher should be applied generously and frequently reapplied even on cloudy days, especially after each swim or outdoor workout. Stay aware! UV radiation is magnified when reflecting off sand and water.
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Frequently asked questions

What is the warmest month in Castries City?

Temperatures in Castries City reach their maximum during May through October, recording an average high-temperature of 30°C (86°F).

How hot does it get in Castries City in June?

During June, Castries City experiences an average high-temperature of 30°C (86°F) and a low-temperature of 24°C (75.2°F).

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

In Castries City, in June, it is raining for 19 days, with typically 209mm (8.23") of accumulated precipitation.

How warm is the water in June in Castries City?

In Castries City, Saint Lucia, in June, the average water temperature is 28°C (82.4°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

When are the longest days in Castries City?

With an average of 12h and 54min of daylight, June has the longest days of the year in Castries City.

What is the average length of the day in June in Castries City?

The average day length in June in Castries City is 12h and 56min.

When is the sunrise / sunset in June in Castries City?

In June, on the first day of the month, sunrise is at 05:34 and sunset at 18:29. On the last day of the month, in Castries City, sunrise is at 05:39 and sunset at 18:36 AST.

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

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

How long on average sun shines in June in Castries City?

In June, the average sunshine duration in Castries City is 8h.

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

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

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

In June, the average daily maximum UV index in Castries City, Saint Lucia, is 12. A UV Index of 11, and more, symbolizes an excessive health risk from exposure to the Sun's UV radiation.
Average high temperature
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in June
Castries City, Saint Lucia

Average temperature in June - Castries City, Saint Lucia
  • Average high temperature in June: 30°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 June: 24°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 June
Castries City, Saint Lucia

Average rainfall in June - Castries City, Saint Lucia
  • Average rainfall in June: 209mm

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 June
Castries City, Saint Lucia

Average rainfall days in June - Castries City, Saint Lucia
  • Average rainfall days in June: 19 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 June
Castries City, Saint Lucia

Average sea temperature in June - Castries City, Saint Lucia
  • Average sea temperature in June: 28°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 June /
Average sunshine in June
Castries City, Saint Lucia

Average daylight in June / Average sunshine in June - Castries City, Saint Lucia
  • Average daylight in June: 12h and 5min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).

  • Average sunshine in June: 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 June
Castries City, Saint Lucia

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

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