August weather forecast
Marquis, Saint Lucia

August

Weather in August

The last month of the summer, August, is another warm month in Marquis, Saint Lucia, with temperature in the range of an average low of 26.9°C (80.4°F) and an average high of 29.8°C (85.6°F).

Temperature

August's advent presents an average high-temperature of a still moderately hot 29.8°C (85.6°F), indicating a slight variation from the conditions of the previous month. In Marquis, August nights maintain a consistent temperature, with an average low of 26.9°C (80.4°F).

Heat index

During August, the heat index is evaluated at a torrid 36°C (96.8°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Observations indicate that the heat index values are for shady locations with light wind. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

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

Rainfall

The month with the most rainfall in Marquis is August, when the rain falls for 25.9 days and typically aggregates up to 82mm (3.23") of precipitation.

Daylight

In August, the average length of the day is 12h and 35min.
On the first day of the month, sunrise is at 05:47 and sunset at 18:31. On the last day of August, sunrise is at 05:51 and sunset at 18:15 AST.

Sunshine

In Marquis, the average sunshine in August is 9.7h.

UV index

January through May, July through December, with an average maximum UV index of 7, are months with the highest UV index in Marquis. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 7 during August, leads to the following recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

How hot is it in Marquis in August?
The average high-temperature and low-temperature in Marquis during August are 29.8°C (85.6°F) and 26.9°C (80.4°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in August is evaluated at 36°C (96.8°F).
What is the most humid month in Marquis?
May through August and November, with an average relative humidity of 75%, are most humid months in Marquis, Saint Lucia.
What is the average humidity in August in Marquis?
In August, the average relative humidity in Marquis, Saint Lucia, is 75%.
What is the rainiest month in Marquis?
The month with the most rainfall is August, when the rain falls for 25.9 days and typically aggregates up to 82mm (3.23") of precipitation.
How many days does it rain in August in Marquis?
In Marquis, during August, the rain falls for 25.9 days and regularly aggregates up to 82mm (3.23") of precipitation.
What is the average length of the day in August in Marquis?
In Marquis, Saint Lucia, the average day length in August is 12h and 35min.
When are sunrise and sunset in August in Marquis?
On the first day of August in Marquis, Saint Lucia, sunrise is at 05:47 and sunset at 18:31. On the last day of the month, sunrise is at 05:51 and sunset at 18:15 AST.
How long on average sun shines in August in Marquis?
The average sunshine duration in August in Marquis, Saint Lucia, is 9.7h.
What are the months with the highest UV index in Marquis?
The months with the highest UV index in Marquis are January through May, July through December, with an average maximum UV index of 7.
What is the UV index intensity in August in Marquis?
The average daily maximum UV index in August in Marquis is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in August
Marquis, Saint Lucia
  • Average high temperature in August: 29.8°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 August: 26.9°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 August
Marquis, Saint Lucia
  • Average pressure in August: 1013.5mbar

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 August
Marquis, Saint Lucia
  • Average wind speed in August: 19.9km/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 August
Marquis, Saint Lucia
  • Average humidity in August: 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 August
Marquis, Saint Lucia
  • Average rainfall in August: 82mm

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

Average rainfall days in August
Marquis, Saint Lucia
  • Average rainfall days in August: 25.9 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 daylight in August /
Average sunshine in August
Marquis, Saint Lucia
  • Average daylight in August: 12h and 4min

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 August: 9h and 4min

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 August
Marquis, Saint Lucia
  • Average sunshine days in August: 1.3 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 August
Marquis, Saint Lucia
  • Average UV index in August: 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 August
Marquis, Saint Lucia
  • Average cloud cover in August: 46

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 August
Marquis, Saint Lucia
  • Average visibility in August: 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).

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