July weather forecast
Marigot Bay, Saint Lucia

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Weather in July

July is marked by a continuation of the wet season characterized by frequent rainfall amounting to a substantial 74mm (2.91") over 26.5 days in the month. At the same time, the temperatures peak, with July boasting the highest average temperature in the first half of the year at 29.4°C (84.9°F). These sultry conditions don't deter watersports activities, bolstered by the equally warm sea temperatures. The daylight hours, too, offer the maximum time for sightseeing, despite the increased cloud cover. All in all, July showcases the tropical weather of Marigot Bay in all its intensity, with warm, wet, and humid conditions.

Temperature

The transition from June to July in Marigot Bay sees average high-temperatures adjusting to a still moderately hot 29.4°C (84.9°F), from a not significantly different 29.3°C (84.7°F). Marigot Bay encounters an average temperature dip to a still moderately hot 26.8°C (80.2°F) throughout July, subtly lower than its daytime maximum.

Heat index

The heat index value for July is calculated to be a sweltering 35°C (95°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

May through August and November, with an average relative humidity of 75%, are the most humid months in Marigot Bay.

Rainfall

In Marigot Bay, during July, the rain falls for 26.5 days and regularly aggregates up to 74mm (2.91") of precipitation. Throughout the year, in Marigot Bay, there are 255.2 rainfall days, and 560mm (22.05") of precipitation is accumulated.

Sea temperature

In July, the average sea temperature in Marigot Bay is 28°C (82.4°F).
Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) are excellent for swimming, diving, and other water activities, providing comfort and enjoyment for extended periods without discomfort.

Daylight

The average length of the day in July is 12h and 52min.
On the first day of the month, sunrise is at 05:40 and sunset at 18:36. On the last day of July, in Marigot Bay, sunrise is at 05:48 and sunset at 18:32 AST.

Sunshine

In Marigot Bay, the average sunshine in July is 9.3h.

UV index

The months with the highest UV index are January through May, July through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 7 during July translates into these guidelines:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total 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. Alert! UV radiation becomes sharper due to reflections from sand and water.

Frequently asked questions

How hot is it in Marigot Bay in July?

Marigot Bay in July has an average high-temperature of 29.4°C (84.9°F) and an average low-temperature of 26.8°C (80.2°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in July is calculated to be 35°C (95°F).

What are the most humid months in Marigot Bay?

The months with the highest humidity are May through August and November, with an average relative humidity of 75%.

What is the average humidity in July in Marigot Bay?

In Marigot Bay, the average relative humidity in July is 75%.

How many days does it rain in July in Marigot Bay?

In July, in Marigot Bay, Saint Lucia, the rain falls for 26.5 days. Throughout July, 74mm (2.91") of precipitation is accumulated.

What is the water temperature in July in Marigot Bay?

In Marigot Bay, the average seawater temperature in July 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.

How many hours of daylight does Marigot Bay have in July?

In Marigot Bay, the average day length in July is 12h and 52min.

What time are sunrise and sunset in July in Marigot Bay?

On the first day of July in Marigot Bay, sunrise is at 05:40 and sunset at 18:36. On the last day of the month, sunrise is at 05:48 and sunset at 18:32 AST.

How long on average sun shines in July in Marigot Bay?

In July, the average sunshine duration in Marigot Bay is 9.3h.

What is the month with the highest UV index in Marigot Bay?

The months with the highest UV index in Marigot Bay are January through May, July through December, with an average maximum UV index of 7.

What is the UV index reading in July in Marigot Bay?

In July, the average daily maximum UV index in Marigot Bay, Saint Lucia, is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.

Average temperature in July
Marigot Bay, Saint Lucia

Average temperature in July - Marigot Bay, Saint Lucia
  • Average high temperature in July: 29.4°C

The warmest month (with the highest average high temperature) is September (30.3°C).
The months with the lowest average high temperature are January and February (27.5°C).

  • Average low temperature in July: 26.8°C

The month with the highest average low temperature is October (27.2°C).
The coldest month (with the lowest average low temperature) is March (25°C).

Average pressure in July
Marigot Bay, Saint Lucia

Average pressure in July - Marigot Bay, Saint Lucia
  • Average pressure in July: 1014.7mbar

The month with the highest atmospheric pressure is June (1015mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).

Average wind speed in July
Marigot Bay, Saint Lucia

Average wind speed in July - Marigot Bay, Saint Lucia
  • Average wind speed in July: 23.5km/h

The windiest month (with the highest average wind speed) is February (24.7km/h).
The calmest month (with the lowest average wind speed) is September (16.7km/h).

Average humidity in July
Marigot Bay, Saint Lucia

Average humidity in July - Marigot Bay, Saint Lucia
  • Average humidity in July: 75%

The months with the highest relative humidity are May, June, July, August and November (75%).
The months with the lowest relative humidity are January, February, March and September (73%).

Average rainfall in July
Marigot Bay, Saint Lucia

Average rainfall in July - Marigot Bay, Saint Lucia
  • Average rainfall in July: 74mm

The wettest month (with the highest rainfall) is August (82mm).
The driest month (with the least rainfall) is February (19mm).

Average rainfall days in July
Marigot Bay, Saint Lucia

Average rainfall days in July - Marigot Bay, Saint Lucia
  • Average rainfall days in July: 26.5 days

The month with the highest number of rainy days is July (26.5 days).
The month with the least rainy days is February (16.4 days).

Average sea temperature in July
Marigot Bay, Saint Lucia

Average sea temperature in July - Marigot Bay, Saint Lucia
  • Average sea temperature in July: 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 January, February, March and April (27°C).

Average daylight in July /
Average sunshine in July
Marigot Bay, Saint Lucia

Average daylight in July / Average sunshine in July - Marigot Bay, Saint Lucia
  • Average daylight in July: 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 July: 9h and 2min

The month with the most sunshine is April (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days in July
Marigot Bay, Saint Lucia

Average sunshine days in July - Marigot Bay, Saint Lucia
  • Average sunshine days in July: 0.8 days

The month with the most sunshine days is January (7.8 days).
The month with the least sunshine days is July (0.8 days).

Average UV index in July
Marigot Bay, Saint Lucia

Average UV index in July - Marigot Bay, Saint Lucia
  • Average UV index in July: 7

The months with the highest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is June (UV index 6).

Average cloud cover in July
Marigot Bay, Saint Lucia

Average cloud cover in July - Marigot Bay, Saint Lucia
  • Average cloud cover in July: 48

The months with the most cloud cover are June and July (Cloud cover 48).
The month with the least cloud cover is February (Cloud cover 38).

Average visibility in July
Marigot Bay, Saint Lucia

Average visibility in July - Marigot Bay, Saint Lucia
  • Average visibility in July: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

Marigot Bay, Saint Lucia

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