Gros Islet
Saint Lucia
Long-term weather forecast
Long-term weather forecast

July weather forecast and climate
Gros Islet, Saint Lucia

July, the same as June, in Gros Islet, Saint Lucia, is another tropical summer month, with average temperature fluctuating between 30°C (86°F) and 25°C (77°F).

Temperature

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

Rainfall

In Gros Islet, during 21 rainfall days, 245mm (9.6") of precipitation is typically accumulated. In Gros Islet, during the entire year, the rain falls for 209 days and collects up to 2035mm (80.1") of precipitation.

Sea temperature

In Gros Islet, the average seawater temperature is 28.5°C (83.3°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

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

Sunshine

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

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index of 11, and more, symbolizes an extreme health hazard from unsafe exposure to the UV radiation for average individuals.
Note: In July, the average maximum UV index of 12 translate into the following recommendations:
Take all required precautions, as unprotected skin and eyes can burn in minutes. 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. 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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What are the warmest months in Gros Islet?

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

What is the temperature in July in Gros Islet?

In Gros Islet, Saint Lucia, in July, the average high-temperature is 30°C (86°F), and the average low-temperature is 25°C (77°F).

How many days does it rain in July in Gros Islet?

In Gros Islet, during July, the rain falls for 21 days and regularly aggregates up to 245mm (9.6") of precipitation.

How warm is the water in July in Gros Islet?

In Gros Islet, Saint Lucia, the average seawater temperature in July is 28.5°C (83.3°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.

How many hours of daylight does Gros Islet have in July?

The average length of the day in July in Gros Islet is 12.9h.

What is the month with the most sunshine in Gros Islet?

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

How long on average sun shines in July in Gros Islet?

The average sunshine in July is 8h.

What is the month with the highest UV index in Gros Islet?

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

What is the UV index intensity in July in Gros Islet?

In July, the average daily maximum UV index in Gros Islet is 12. A UV Index reading of 11, and higher, represents an excessive health risk from unprotected exposure to the UV radiation.
Average temperature in July - Gros Islet, 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 and February (28°C).

  • Average low temperature in July: 25°C

The month with the highest average low temperature is July (25°C).
Coldest months (with the lowest average low temperature) are January, February and March (22°C).

Average rainfall in July - Gros Islet, Saint Lucia
  • Average rainfall in July: 245mm

The wettest month (with the highest rainfall) is October (269mm).
The driest month (with the lowest rainfall) is March (76mm).

Average rainfall days in July - Gros Islet, Saint Lucia
  • Average rainfall days in July: 21 days

The month with the highest number of rainy days is September (25 days).
The month with the lowest number of rainy days is April (11 days).

Average sea temperature in July - Gros Islet, Saint Lucia
  • Average sea temperature in July: 28.5°C

The best month for swimming (with the highest average sea temperature) is September (29.4°C).
The coldest month (with the lowest average sea temperature) is March (27°C).

Average daylight in July / Average sunshine in July - Gros Islet, Saint Lucia
  • Average daylight in July: 12.9h

The month with the longest days is June (Average daylight: 13h).
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 - Gros Islet, 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).