Climate and monthly weather forecastGressier, Haiti
Climate and monthly weather forecast
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 »Updated: Feb 19, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
January is the month with the least rainfall. Rain falls for 9.9 days and accumulates 12mm (0.47") of precipitation.
Throughout the year, there are 227.4 rainfall days, and 904mm (35.59") of precipitation is accumulated.
January through May, July through December, with an average maximum UV index of 6, are months with the lowest UV index.
The least humid month is February, with an average relative humidity of 72%.
With an average sea temperature of 26.9°C (80.4°F), February is the month with the coldest seawater in Gressier.
The month with the least sunshine is February, with an average of 7.2h of sunshine.
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.
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.
The month with the longest days is June, with an average of 13h and 12min of daylight.
June is the month with the highest UV index, with an average maximum UV index of 7.
July has the most sunshine of the year, with an average of 11.3h of sunshine.
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).
September is the month with the warmest seawater in Gressier, with an average sea temperature of 29.9°C (85.8°F).
The most humid month in Gressier, Haiti, is November, with an average relative humidity of 80%.
With an average of 11h and 0min of daylight, December has the shortest days of the year in 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).
Average pressure
Gressier, Haiti
- Average pressure in January:
1016.3mbar - Average pressure in February:
1016.1mbar - Average pressure in March:
1015.8mbar - Average pressure in April:
1014.9mbar - Average pressure in May:
1014.6mbar - Average pressure in June:
1015.3mbar
- Average pressure in July:
1015.5mbar - Average pressure in August:
1014.3mbar - Average pressure in September:
1013.2mbar - Average pressure in October:
1012.5mbar - Average pressure in November:
1013mbar - Average pressure in December:
1015.2mbar
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
Gressier, Haiti
- Average wind speed in January:
7.9km/h - Average wind speed in February:
7.4km/h - Average wind speed in March:
7.2km/h - Average wind speed in April:
6.9km/h - Average wind speed in May:
7.8km/h - Average wind speed in June:
9.2km/h
- Average wind speed in July:
8.2km/h - Average wind speed in August:
7.6km/h - Average wind speed in September:
6.5km/h - Average wind speed in October:
7.2km/h - Average wind speed in November:
6.8km/h - Average wind speed in December:
7.9km/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
Gressier, Haiti
The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is February (72%).
Average rainfall
Gressier, Haiti
The wettest month (with the highest rainfall) is May (141mm).
The driest month (with the least rainfall) is January (12mm).
Average rainfall days
Gressier, Haiti
- Average rainfall days in January:
9.9 days - Average rainfall days in February:
10.5 days - Average rainfall days in March:
19.9 days - Average rainfall days in April:
24.4 days - Average rainfall days in May:
24.3 days - Average rainfall days in June:
19 days
- Average rainfall days in July:
20.3 days - Average rainfall days in August:
22.2 days - Average rainfall days in September:
22.4 days - Average rainfall days in October:
24.4 days - Average rainfall days in November:
19.6 days - Average rainfall days in December:
10.5 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
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).
Average daylight / Average sunshine
Gressier, Haiti
- Average daylight in January:
11h and 12min - Average daylight in February:
11h and 36min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 36min - Average daylight in May:
13h and 0min - Average daylight in June:
13h and 12min
- Average daylight in July:
13h and 6min - Average daylight in August:
12h and 42min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 42min - Average daylight in November:
11h and 18min - Average daylight in December:
11h and 0min
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 January:
7h and 18min - Average sunshine in February:
7h and 12min - Average sunshine in March:
8h and 42min - Average sunshine in April:
10h and 30min - Average sunshine in May:
10h and 36min - Average sunshine in June:
11h and 6min
- Average sunshine in July:
11h and 18min - Average sunshine in August:
11h and 12min - Average sunshine in September:
9h and 36min - Average sunshine in October:
9h and 12min - Average sunshine in November:
8h and 36min - Average sunshine in December:
7h and 18min
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
Gressier, Haiti
- Average sunshine days in January:
18.6 days - Average sunshine days in February:
15.5 days - Average sunshine days in March:
8.8 days - Average sunshine days in April:
3.3 days - Average sunshine days in May:
5.1 days - Average sunshine days in June:
8.3 days
- Average sunshine days in July:
7.6 days - Average sunshine days in August:
6 days - Average sunshine days in September:
4.7 days - Average sunshine days in October:
4.8 days - Average sunshine days in November:
8.5 days - Average sunshine days in December:
19 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
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).
Average cloud cover
Gressier, Haiti
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
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).
