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

July 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
July, the same as June, in Castries City, Saint Lucia, is another hot summer month, with average temperature fluctuating between 30°C (86°F) and 24°C (75.2°F).

Temperature

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

Rainfall

In Castries City, during July, the rain falls for 21 days and regularly aggregates up to 291mm (11.5") of precipitation. In Castries City, during the entire year, the rain falls for 208 days and collects up to 2377mm (93.6") of precipitation.

Sea temperature

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

Months with the longest days in Castries City are June and July, with an average of 12.9h of daylight.

Sunshine

Months with the most sunshine in Castries City 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 extreme health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 12 in July 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 reflection of water and sand dramatically increases exposure to the UV rays.

What are the warmest months in Castries City?

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

What is the temperature in July in Castries City?

In Castries City, Saint Lucia, in July, 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 July in Castries City?

In July, in Castries City, Saint Lucia, the rain falls for 21 days. Throughout July, 291mm (11.5") of precipitation is accumulated.

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

In July, the average sea 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?

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

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

In Castries City, Saint Lucia, the average length of the day in July is 12.9h.

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

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

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

In July, the average sunshine in Castries City, Saint Lucia, 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, Saint Lucia.

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

The average daily maximum UV index in July in Castries City is 12. A UV Index value of 11, and more, symbolizes an ultimate hazard to health from unprotected exposure to the UV radiation.
Average temperature in July - Castries City, Saint Lucia
  • Average high temperature in July: 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 July: 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 July - Castries City, Saint Lucia
  • Average rainfall in July: 291mm

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

Average rainfall days in July - Castries City, Saint Lucia
  • Average rainfall days in July: 21 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 July - Castries City, Saint Lucia
  • Average sea temperature in July: 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 July / Average sunshine in July - Castries City, Saint Lucia
  • Average daylight in July: 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 July: 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 July - Castries City, Saint Lucia
  • Average UV index in July: 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).