Climate and monthly weather forecast
Gressier, Haiti

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The climate of Gressier

The Köppen climate classification designates the climatic conditions in Gressier, Haiti as Aw, indicating a tropical wet and dry climate, often referred to as savanna. The geography, of this coastal city, in the western region of the country, largely influences the climatical dynamics.

It is observed that Gressier experiences quite notable fluctuation in rainfall throughout the year, where May reports the highest rainfall of 141mm (5.55"), while December has the least with just 19mm (0.75"). The number of rainfall days mirror a similar pattern, peaking during the mid-year and subsiding towards the end, with May and October recording 24.3 days and December 10.5 days respectively.

Average annual temperatures here are relatively stable, with the highest being 30.9°C (87.6°F) in August and the lowest at 27.6°C (81.7°F) in January. A somewhat similar stability can be seen with the lowest temperatures as well, with the year round readings typically ranging from 18.2°C (64.8°F) to 21.3°C (70.3°F).

Sea temperatures exhibit a gradual rise from 27.2°C (81°F) in January to a peak of 29.9°C (85.8°F) in September, before descending towards the year end. Meanwhile, daylight hours peak in June with 13.2 and fall to the lowest in December with 11 hours.

The best time to visit Gressier

Based on the provided data, the ideal period to plan a visit to Gressier would be in the first quarter of the year. The reason for this is the combination of relatively low rainfall, fewer rainfall days and comfortable temperatures, facilitating outdoor activities and sightseeing.

During this period, the average high temperature ranges from 27.6°C (81.7°F) to 28.1°C (82.6°F) and the average low from 18.2°C (64.8°F) to 19°C (66.2°F). Added to this are longer daylight hours, from 11.2 in January to 12.1 in March, giving tourists abundant time to explore the city.

The worst time to visit Gressier

On the contrary, the second half of the year, specifically from May to October, can be considered suboptimal for a visit, marked by higher rainfall levels, increased rainfall days and relatively higher temperatures.

Average high temperatures in this period climb upwards of 29.1°C (84.4°F) and average lows around 20.6°C (69.1°F). The significant rainfall of 141mm (5.55") in May, coupled with a high count of rainfall days at 24.3, makes outdoor excursions quite challenging.

Spring weather in Gressier

Spring in Gressier, extending from March to May, undergoes a transition from dry to wet conditions. March has moderate rainfall of 52mm (2.05") spread over 19.9 days. The rainfall then intensifies sharply to 141mm (5.55") in May over 24.3 days.

During this season, the temperature high rises from 28.1°C (82.6°F) to 29.1°C (84.4°F) and the low from 19°C (66.2°F) to 20.6°C (69.1°F). Sea temperature also rises gradually from 27.1°C (80.8°F) to 28.2°C (82.8°F). Daylight hours increment from 12.1 hours to 13 hours.

Summer weather in Gressier

Summer, which spans from June to August, is characterized by hot temperatures and heavy rainfall. The temperature high peaks at 30.9°C (87.6°F) in August and low averages around 20.9°C (69.6°F) to 21.3°C (70.3°F). Rainfall is high, especially in August with 111mm (4.37") spread over 22.2 days.

Sea temperatures also increase during this period, peaking at 29.8°C (85.6°F) in August, making this season apt for sea-based activities. The extended daylight hours of 13.1 to 12.7 also provide ample scope for enjoyment of the outdoors.

Autumn weather in Gressier

Autumn, which spans from September to November, sees a gradual decline in temperature. The temperature high decreases from 29.8°C (85.6°F) in September to 28.2°C (82.8°F) in November. Similarly, the low ranges from 21.3°C (70.3°F) to 19.9°C (67.8°F).

Rainfall remains high with 135mm (5.31") in September declining to 63mm (2.48") in November. The sea temperature peaks at 29.9°C (85.8°F) in September but gradually decreases to 29.3°C (84.7°F) by November.

Winter weather in Gressier

Winter in Gressier, typically from December to February, experiences the least rainfall and cooler temperatures. Rainfall drops significantly, with 19mm (0.75") in December rising slightly to 18mm (0.71") in February.

Temperature highs vary between 27.6°C (81.7°F) to 28.2°C (82.8°F), while the lows range from 18.2°C (64.8°F) to 18.8°C (65.8°F). Sea temperature drops to 27.2°C (81°F) in January but slowly rises to 26.9°C (80.4°F) in February. The daylight hours are comparatively shorter with 11.2 hours in December extending to 11.6 hours in February.

Weather in January

January in Gressier, Haiti, greets the year with moderate weather, creating a pleasant ambiance for both locals and tourists. Compared to February, January indicates slightly cooler temperatures and less humidity, offering a relief from the tropical climate. Weather in January »

Weather in February

February presents slight changes in Gressier's weather, with a minor rise in temperatures that adds a tropical flair to the region. When compared to January and March, February holds a decent balance concerning humidity and rain, leaving an agreeable atmosphere throughout. Weather in February »

Weather in March

March ushers in a distinct shift in Gressier's weather pattern, laying the groundwork for the impending wet season. Significant changes unravel when comparing to February and April, marked by a sharp rise in rainfall levels. March sees a surge in humidity levels, painting the atmosphere with a tropical brush. Weather in March »

Weather in April

Unpredictability is a key feature of April's weather in Gressier. A noticeable increase in rainfall from 52mm (2.05") in March to 76mm (2.99") in April signals the onset of the early monsoon season. April's brief fluctuation in weather, when compared to March and May, creates a unique blend of dry spells and thunderstorms. Weather in April »

Weather in May

May is notable in Gressier's annual weather cycle due to the substantial surge in rainfall amounting to 141mm (5.55"), the year’s highest precipitation. This peak in rainfall is an anomaly when compared to the preceding April and succeeding June. Weather in May »

Weather in June

June signals a shift in Gressier's weather, moving away from the extreme wet conditions prevalent in May towards a slightly drier climate. Rainfall amounts begin to decrease from May's peak, setting June apart from the extremely wet May and the fairly rainy July. Weather in June »

Weather in July

July is marked by a distinct climatic pattern featuring a balanced combination of rain, wind, and sunshine. Compared to June and August, July demonstrates a transition from the somewhat drier weather towards higher rainfall levels with 89mm (3.5") of precipitation recorded. Weather in July »

Weather in August

August stands out in Gressier's weather chart as it records the highest temperatures throughout the year. This summer peak sets August apart from July and September, both in terms of high temperature and increased rainfall reaching 111mm (4.37"). Weather in August »

Weather in September

September's weather in Gressier offers a respite as temperatures begin to dip while retaining the tropical charm. This subtle drop in temperature, a transition from the hot August to the cooler October, provides a relief to residents and tourists. Weather in September »

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. Weather in October »

Weather in November

Gressier's weather sees significant changes in November as temperatures and rainfall continue their downward trend. This shift in weather patterns sharply contrasts with the conditions observed in October and those expected in December. Weather in November »

Weather in December

December marks the year-end in Gressier with a significant reduction in rainfall compared to the preceding November, offering some reprieve from the wet season. This decrease in rainfall bridges the weather conditions between November and the forthcoming January. Weather in December »
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Frequently asked questions

What is the coldest time of year in Gressier?

In Gressier, January records the average lowest temperatures, peaking at 27.6°C (81.7°F) and reaching a low of 18.2°C (64.8°F).

What is the driest month in Gressier?

January is the month with the least rainfall. Rain falls for 9.9 days and accumulates 12mm (0.47") of precipitation.

How much does it rain in Gressier?

Throughout the year, there are 227.4 rainfall days, and 904mm (35.59") of precipitation is accumulated.

What are the months with the lowest UV index in Gressier?

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

What is the least humid month in Gressier?

The least humid month is February, with an average relative humidity of 72%.

What is the month with the coldest sea water in Gressier?

With an average sea temperature of 26.9°C (80.4°F), February is the month with the coldest seawater in Gressier.

What is the month with the least sunshine in Gressier?

The month with the least sunshine is February, with an average of 7.2h of sunshine.

When is Daylight Saving Time (DST) in Gressier?

On Sunday, 10. March 2024, at 02:00, Daylight Saving Time starts in Gressier, Haiti, and the time zone changes from EST to EDT. Daylight Saving Time ends on Sunday, 03. November 2024, at 02:00, and the time zone reverts from EDT to EST.

What is the rainiest month in Gressier?

The month with the most rainfall is May, when the rain falls for 24.3 days and typically aggregates up to 141mm (5.55") of precipitation.

When are the longest days in Gressier?

The month with the longest days is June, with an average of 13h and 12min of daylight.

When is the highest UV index in Gressier?

June is the month with the highest UV index, with an average maximum UV index of 7.

What month has the most sunshine in Gressier?

July has the most sunshine of the year, with an average of 11.3h of sunshine.

What month is the hottest in Gressier?

August stands out as Gressier's warmest month, with temperatures ranging between an average high of 30.9°C (87.6°F) and a low of 21.3°C (70.3°F).

When is the sea warmest in Gressier?

September is the month with the warmest seawater in Gressier, with an average sea temperature of 29.9°C (85.8°F).

What is the most humid month in Gressier?

The most humid month in Gressier, Haiti, is November, with an average relative humidity of 80%.

What is the month with the shortest days in Gressier?

With an average of 11h and 0min of daylight, December has the shortest days of the year in Gressier, Haiti.

Average temperature
Gressier, Haiti

Average temperature - Gressier, Haiti

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).

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).

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Average pressure
Gressier, Haiti

Average pressure - Gressier, Haiti

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

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Average wind speed
Gressier, Haiti

Average wind speed - Gressier, Haiti

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).

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Average humidity
Gressier, Haiti

Average humidity - Gressier, Haiti

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

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Average rainfall
Gressier, Haiti

Average rainfall - Gressier, Haiti

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

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Average rainfall days
Gressier, Haiti

Average rainfall days - Gressier, Haiti

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).

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Average sea temperature
Gressier, Haiti

Average sea temperature - Gressier, Haiti

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).

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Average daylight / Average sunshine
Gressier, Haiti

Average daylight / Average sunshine - Gressier, Haiti

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).

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).

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Average sunshine days
Gressier, Haiti

Average sunshine days - Gressier, Haiti

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

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Average UV index
Gressier, Haiti

Average UV index - Gressier, Haiti

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).

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Average visibility
Gressier, Haiti

Average visibility - Gressier, Haiti

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).

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Gressier, Haiti

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