October weather forecastGressier, Haiti

October

Weather in October

October fosters a clear transition in Gressier's weather, gradually phasing out high temperatures characteristic of the previous months. This gradual cooling, along with a contraction in daylight hours, distinguishes October from September and November. Rainfall levels decrease from those prevalent in September, yet the humidity remains relatively high. Coinciding with this, the sea temperature begins to fall, indicating a slow march towards the winter season. The consistent wind speed complements the lowering temperatures, providing outdoor enthusiasts an opportune moment to enjoy the remaining warmth.

Temperature

Gressier's weather in October, with an average high-temperature of a still moderately hot 29.2°C (84.6°F), subtly shifts from September's 29.8°C (85.6°F). An average temperature of 20.8°C (69.4°F) is recorded in Gressier, Haiti, during the nights in October.

Heat index

October's mean heat index is evaluated at a sweltering 35°C (95°F). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are essentially critical for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

In October, the average relative humidity in Gressier is 79%.

Rainfall

In Gressier, in October, during 24.4 rainfall days, 114mm (4.49") of precipitation is typically accumulated. Throughout the year, there are 227.4 rainfall days, and 904mm (35.59") of precipitation is accumulated.

Sea temperature

In October, the average sea temperature is 29.6°C (85.3°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 Gressier, the average length of the day in October is 11h and 43min.
On the first day of October, sunrise is at 06:40 and sunset at 18:38. On the last day of the month, sunrise is at 06:49 and sunset at 18:17 EDT.

Sunshine

The average sunshine in October in Gressier, Haiti, is 9.2h.

UV index

The months with the lowest UV index are January through May, July through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: An average UV index of 6 in October transforms into this advice:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be mindful! Sand and water reflections can up the Sun's UV exposure.

Frequently asked questions

October temperatures in Gressier vary between a high-temperature of 29.2°C (84.6°F) and a low-temperature of 20.8°C (69.4°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in October is evaluated at 35°C (95°F).

The average relative humidity in October in Gressier is 79%.

In October, in Gressier, the rain falls for 24.4 days. Throughout October, 114mm (4.49") of precipitation is accumulated.

In Gressier, the average seawater temperature in October is 29.6°C (85.3°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.

In Gressier, Haiti, the average day length in October is 11h and 43min.

In October, on the first day of the month, sunrise is at 06:40 and sunset at 18:38. On the last day of the month, sunrise is at 06:49 and sunset at 18:17 EDT.

In October, the average sunshine duration in Gressier is 9.2h.

The months with the lowest UV index are January through May, July through December, with an average maximum UV index of 6.

The average daily maximum UV index in October is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Gressier, Haiti

  • Average high temperature in October: 29.2°C

The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is January (27.6°C).

  • Average low temperature in October: 20.8°C

The months with the highest average low temperature are August and September (21.3°C).
The coldest month (with the lowest average low temperature) is January (18.2°C).

Average pressure in October
Gressier, Haiti

  • Average pressure in October: 1012.5mbar

The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is October (1012.5mbar).

Average wind speed in October
Gressier, Haiti

  • Average wind speed in October: 7.2km/h

The windiest month (with the highest average wind speed) is June (9.2km/h).
The calmest month (with the lowest average wind speed) is September (6.5km/h).

Average humidity in October
Gressier, Haiti

  • Average humidity in October: 79%

The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is February (72%).

Average rainfall in October
Gressier, Haiti

  • Average rainfall in October: 114mm

The wettest month (with the highest rainfall) is May (141mm).
The driest month (with the least rainfall) is January (12mm).

Average rainfall days in October
Gressier, Haiti

  • Average rainfall days in October: 24.4 days

The months with the highest number of rainy days are April and October (24.4 days).
The month with the least rainy days is January (9.9 days).

Average sea temperature in October
Gressier, 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 (26.9°C).

Average daylight in October /
Average sunshine in October
Gressier, Haiti

  • Average daylight in October: 11h and 42min

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in October: 9h and 12min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 7h and 12min).

Average sunshine days in October
Gressier, Haiti

  • Average sunshine days in October: 4.8 days

The month with the most sunshine days is December (19 days).
The month with the least sunshine days is April (3.3 days).

Average UV index in October
Gressier, Haiti

  • Average UV index in October: 6

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

Average cloud cover in October
Gressier, Haiti

  • Average cloud cover in October: 30

The month with the most cloud cover is April (Cloud cover 35).
The month with the least cloud cover is December (Cloud cover 21).

Average visibility in October
Gressier, Haiti

  • Average visibility in October: 9km

The months with the highest visibility are February, March and June (10km).
The months with the lowest visibility are January, April, May, July, August, September, October, November and December (9km).