October weather forecast
Saint-Marc, Haiti

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Weather in October

October sees further cooling in terms of temperature, sea temperature, and a decrease in rainfall to 95mm in Saint-Marc. The daylight hours further shorten but manage to maintain significant sunshine hours. Despite the weather becoming cooler and the rainfall subsiding slightly, October still offers plenty of sunny and pleasurable weather.

Temperature

Saint-Marc's average high-temperature in October sits at a still moderately hot 29.3°C, showing little difference from the previous month. An average low-temperature of 22.7°C is noted during the nights in October in Saint-Marc, Haiti.

Heat index

The average heat index in October is calculated to be a very hot 36°C. Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

In October, the average relative humidity is 80%.

Rainfall

In October, the rain falls for 23.5 days. Throughout October, 95mm of precipitation is accumulated. Throughout the year, there are 219.6 rainfall days, and 736mm of precipitation is accumulated.

Sea temperature

In Saint-Marc, in October, the average water temperature is 29.6°C.
Note: Water temperature between 25°C and 29°C provides warmth and pleasure, making water activities enjoyable for lengthened periods without feeling uncomfortable.

Daylight

The average length of the day in October in Saint-Marc is 11h and 42min.
On the first day of the month, sunrise is at 06:41 and sunset at 18:39. On the last day of October, sunrise is at 06:50 and sunset at 18:18 EDT.

Sunshine

In Saint-Marc, the average sunshine in October is 9.4h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 6 in October translates into the following instructions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. 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. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take heed! Reflections of sand and water make the Sun's UV rays stronger.
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FAQ

Is it hot in Saint-Marc during October?

Saint-Marc in October has an average high-temperature of 29.3°C and an average low-temperature of 22.7°C. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in October is calculated to be 36°C.

What is the average humidity in October in Saint-Marc?

In Saint-Marc, the average relative humidity in October is 80%.

How much does it rain in Saint-Marc in October?

In Saint-Marc, Haiti, during October, the rain falls for 23.5 days and regularly aggregates up to 95mm of precipitation.

How warm is the water in October in Saint-Marc?

In Saint-Marc, Haiti, in October, the average water temperature is 29.6°C. For swimming, diving, and other water activities, temperatures between 25°C and 29°C are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in October in Saint-Marc?

The average day length in October is 11h and 42min.

When is the sunrise / sunset in October in Saint-Marc?

On the first day of October in Saint-Marc, sunrise is at 06:41 and sunset at 18:39. On the last day of the month, sunrise is at 06:50 and sunset at 18:18 EDT.

How long on average sun shines in October in Saint-Marc?

In Saint-Marc, Haiti, the average sunshine duration in October is 9.4h.

When is the lowest UV index in Saint-Marc?

The months with the lowest UV index in Saint-Marc, Haiti, are January through March, October through December, with an average maximum UV index of 6.

What is the UV index reading in October in Saint-Marc?

In Saint-Marc, the average daily maximum UV index in October is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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 sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Saint-Marc, Haiti

Average temperature in October - Saint-Marc, Haiti
  • Average high temperature in October: 29.3°C

The warmest month (with the highest average high temperature) is July (30.7°C).
The month with the lowest average high temperature is January (27.3°C).

  • Average low temperature in October: 22.7°C

The month with the highest average low temperature is July (23.5°C).
The coldest month (with the lowest average low temperature) is January (20.1°C).

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Average pressure in October
Saint-Marc, Haiti

Average pressure in October - Saint-Marc, Haiti
  • Average pressure in October: 1012.5mbar

The month with the highest atmospheric pressure is January (1016.6mbar).
The month with the lowest atmospheric pressure is October (1012.5mbar).

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Average wind speed in October
Saint-Marc, Haiti

Average wind speed in October - Saint-Marc, Haiti
  • Average wind speed in October: 8km/h

The windiest month (with the highest average wind speed) is February (11.2km/h).
The calmest month (with the lowest average wind speed) is September (7km/h).

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Average humidity in October
Saint-Marc, Haiti

Average humidity in October - Saint-Marc, Haiti
  • Average humidity in October: 80%

The month with the highest relative humidity is November (81%).
The months with the lowest relative humidity are March and April (74%).

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Average rainfall in October
Saint-Marc, Haiti

Average rainfall in October - Saint-Marc, Haiti
  • Average rainfall in October: 95mm

The wettest month (with the highest rainfall) is May (118mm).
The driest months (with the least rainfall) are January and December (13mm).

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Average rainfall days in October
Saint-Marc, Haiti

Average rainfall days in October - Saint-Marc, Haiti
  • Average rainfall days in October: 23.5 days

The month with the highest number of rainy days is May (25.3 days).
The month with the least rainy days is December (8.5 days).

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Average sea temperature in October
Saint-Marc, Haiti

Average sea temperature in October - Saint-Marc, Haiti
  • Average sea temperature in October: 29.6°C

The best month for swimming (with the highest average sea temperature) is September (29.9°C).
The coldest month (with the lowest average sea temperature) is February (26.8°C).

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Average daylight in October /
Average sunshine in October
Saint-Marc, Haiti

Average daylight in October / Average sunshine in October - Saint-Marc, Haiti
  • Average daylight in October: 11h and 4min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in October: 9h and 2min

The months with the most sunshine are July and August (Average sunshine: 11h and 18min).
The months with the least sunshine are January and February (Average sunshine: 7h and 12min).

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Average sunshine days in October
Saint-Marc, Haiti

Average sunshine days in October - Saint-Marc, Haiti
  • Average sunshine days in October: 4.8 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is September (3.2 days).

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Average UV index in October
Saint-Marc, Haiti

Average UV index in October - Saint-Marc, Haiti
  • Average UV index in October: 6

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

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Average cloud cover in October
Saint-Marc, Haiti

Average cloud cover in October - Saint-Marc, Haiti
  • Average cloud cover in October: 26

The month with the most cloud cover is May (Cloud cover 32).
The month with the least cloud cover is December (Cloud cover 18).

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Average visibility in October
Saint-Marc, Haiti

Average visibility in October - Saint-Marc, Haiti
  • Average visibility in October: 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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Saint-Marc, Haiti

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