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

June 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
The first month of the summer, June, is also a hot month in Castries City, Saint Lucia, with average temperature ranging between min 24°C (75.2°F) and max 30°C (86°F).

Temperature

May through October, with an average high-temperature of 30°C (86°F), are the warmest months.

Rainfall

In June, in Castries City, the rain falls for 19 days. Throughout June, 209mm (8.2") of precipitation is accumulated. Throughout the year, in Castries City, there are 208 rainfall days, and 2377mm (93.6") of precipitation is accumulated.

Sea temperature

In June, the average sea temperature in Castries City is 28°C (82.4°F).
Note: 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.

Daylight

June and July, with an average of 12.9h of daylight, are months with the longest days.

Sunshine

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

UV index

Months with the highest UV index are March through September, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an excessive health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 12 in June interpret into the following advice:
Take all necessary precautions, as unprotected skin 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. 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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the warmest month in Castries City?

May through October, with an average high-temperature of 30°C (86°F), are warmest months in Castries City, Saint Lucia.

What is the temperature in June in Castries City?

In Castries City, in June, the average high-temperature is 30°C (86°F), and the average low-temperature is 24°C (75.2°F).

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

In Castries City, Saint Lucia, during June, the rain falls for 19 days and regularly aggregates up to 209mm (8.2") of precipitation.

What is the water temperature in June in Castries City?

In June, the average sea temperature in Castries City, Saint Lucia, is 28°C (82.4°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.

When are the longest days in Castries City?

June and July, with an average of 12.9h of daylight, are months with the longest days.

How many hours of daylight does Castries City have in June?

In June, the average length of the day is 12.9h.

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 long on average sun shines in June in Castries City?

The average sunshine in June in Castries City is 8h.

What are the months 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 is 12. A UV Index of 11, and more, symbolizes an extreme health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in June - Castries City, Saint Lucia
  • Average high temperature in June: 30°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 June: 24°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 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 lowest rainfall) is March (99mm).

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 lowest number of rainy days is April (11 days).

Average sea temperature in June - Castries City, Saint Lucia
  • Average sea temperature in June: 28°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 June / Average sunshine in June - Castries City, Saint Lucia
  • Average daylight in June: 12.9h

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