Climate and monthly weather forecastJacmel, Haiti
Climate and monthly weather forecast
The climate of Jacmel
Jacmel, Haiti, experiences a Tropical wet and dry or savanna climate, signified by the Köppen climate classification 'Aw'. Located in the Caribbean, this region witnesses reasonably consistent temperature fluctuations with an evident pattern of rainfall. Year-round, temperatures range from an average low of 22.3°C (72.1°F) in January to an average high of 29.7°C (85.5°F) in August. Consequently, temperatures remain relatively steady throughout the year, ensuring a warm climate overall.Rainfall illustrates a different scenario; monthly averages dramatically fluctuate from 10mm (0.39") in January to 75mm (2.95") in October. Consequently, the area experiences its driest period at the start of the year, gradually moving towards increased precipitation, peaking in autumn. The number of rainfall days corresponds to this pattern, with the most occurring from March to October, reaching its apex at 20.7 days in October.
Tropical influence becomes most apparent when ocean conditions enter the equation. Sea temperatures rise from 26.9°C (80.4°F) in February to a balmy 29.6°C (85.3°F) in September, contributing to the overall climate warmth. Dominant by a distinct dry season and a highly rainy period, the climate cycle of Jacmel offers a diverse spectrum of weather conditions.
The best time to visit Jacmel
Choosing the ideal time to visit Jacmel reflects the weather inclinations and trip purpose. However, considering optimal weather conditions, the period between January and April stands out. During these months, the average temperature varies from 22.3°C (72.1°F) to 27.8°C (82°F). Concurrently, these months realize the least rainfall, ranging from 10mm (0.39") to 43mm (1.69"), ensuring largely dry and comfortable weather.Notably, the sunshine hours are also significant, with the hours rising from 7.4 hours per day in February up to 11 hours per day in April. Therefore, visitors during this period can expect sunny, dry and warm weather, adequately suitable for outdoor activities and exploration.
The worst time to visit Jacmel
Arguably, the most challenging time to visit Jacmel falls between September and October. These months experience the year's highest rainfall averages, climbing to 71mm (2.8") and 75mm (2.95") respectively. Furthermore, the number of rainy days increases to an average of 19.3 days in September and 20.7 days in October.Consequently, frequent showers and increased humidity could pose tricky conditions for travellers. Simultaneously, though the average temperatures remain in the hot range, the high humidity levels brought about by excessive rainfall might affect comfort levels, hence making this period less appealing for a visit.
Spring weather in Jacmel
Spring in Jacmel, from March to May, boasts of warmer temperatures, with average highs transitioning from 27.2°C (81°F) to 29.2°C (84.6°F). The weather remains fairly humid, with relative humidity of 76%, offering a truly tropical feel.In addition, the rainfall is moderate, compared to other months. It sees rainfall averages escalating from 35mm (1.38") to 57mm (2.24"), and the number of rainfall days increasing from 19.5in to 19. The daylight and sunshine hours also hit a yearly high, with daylight hours ranging from 12.1 to 13 hours, and sunshine hours varying from 9.4 to 11.4 hours, making the spring season a delightful period to witness Jacmel in its vibrant bloom.
Summer weather in Jacmel
Summer in Jacmel, from June to August, denotes the year's hottest period. Temperatures intensify, with the margins varying from 24.8°C (76.6°F) to 29.2°C (84.6°F) in June and escalating to 25.1°C (77.2°F) to 29.7°C (85.5°F) in August.Humidity upholds a constant rate of 76%, and the rainfall averages from 39mm (1.54") to 74mm (2.91"). As for the number of rainy days, a mild escalation occurs from 14.3 in June to 18.3 in August. The sea temperature also reaches its highest point, registering at 29.4°C (84.9°F) in August. Summer in Jacmel thus offers hot, humid, but manageably wet conditions, ideal for beach activities or water explorations.
Autumn weather in Jacmel
Autumn, spanning from September to November, witnesses the peak of the rainy season in Jacmel. The rainfall averages rise to a yearly high of 75mm (2.95") in October, while the number of rainfall days also peaks at 20.7 during the same month.Despite this, temperatures maintain a steady range, oscillating between 24.8°C (76.6°F) to 29.3°C (84.7°F) in September and tapering to 24.2°C (75.6°F) to 28.2°C (82.8°F) in November. Relative humidity marginally increases to 77% in October contributing to the region's wetness. The sea temperature, however, stays moderately warm between 29.6°C (85.3°F) to 29.2°C (84.6°F). Defined by high rainfall and temperatures, Autumn in Jacmel is thus a mix of warm and wet climates patterns.
Winter weather in Jacmel
Winter in Jacmel, from December to February, marks the year's driest and coolest period. The rainfall averages diminish to 13mm (0.51") in December, 10mm (0.39") in January, and 16mm (0.63") in February, providing significantly drier conditions. The number of rainy days also falls to its yearly least, registering 10.2 days in December.The average temperature hovers between a minim of 23.1°C (73.6°F) and a maximum of 27.7°C (81.9°F) in December, then slightly increases to 22.3°C (72.1°F) to 27.2°C (81°F) in January. With relatively cooler temperatures, less humidity, and minimal rainfall, winter in Jacmel offers the most relaxed and comfortable weather conditions, making it an ideal time for visitors who prefer cooler tropical environments.
Weather in January
The weather in Jacmel, Haiti, in January is relatively favorable for outdoor activities. With averages of 27.2°C (81°F) high temperature and a low of 22.3°C (72.1°F), it isn't too harsh for exploring the city. The rainfall increases slightly to 10mm (0.39") from the previous month which is evidence that the city experiences rains even during the winter. Weather in January »Weather in February
February carries forth the mild but pleasant weather pattern from January in Jacmel. The increment in the recorded lowest temperature to 22.7°C (72.9°F) indicates a slight warming. A hike in the monthly average rainfall, now recorded at 16mm (0.63"), designates a gradual transition into the wetter months. Weather in February »Weather in March
The climate of Jacmel in March exhibits a shift toward a warmer and more humid environment. A remarkable increase in rainfall to 35mm (1.38") indicates the approach of the wet season. The rise in sea temperature to 27°C (80.6°F) also hints towards warmer days ahead. Weather in March »Weather in April
April in Jacmel signifies the commencement of the wet stretch with a further increase in precipitation and humidity. A rapid climb to 43mm (1.69") in rainfall signifies this transition. The average wind speed also increases, bringing in a crisp freshness in the air. Weather in April »Weather in May
In May, the weather of Jacmel typically becomes persistently warm and humid, exhibiting true tropical climate features. The city experiences the highest amount of average rainfall for the year, reaching 57mm (2.24"). Meanwhile, sea temperatures continue rising to provide warmer water activities. Weather in May »Weather in June
June showcases consistent tropical weather patterns with warm temperatures in Jacmel. There is a notable drop in rainfall from the peak in May to 39mm (1.54"), providing slightly drier days. The sea temperatures peak, supplementing water-based activities. Weather in June »Weather in July
The mid-summer months in Jacmel, including July, continue to display warm temperatures and frequent rainfall. Leap to 56mm (2.2") in precipitation denotes the presence of significant rain despite being lower than in May. The weather remains quite warm, with sea temperatures remaining on the higher side. Weather in July »Weather in August
Weather in Jacmel in August is characterized by increasing rainfall levels and consistently warm temperatures. Rainfall shoots up to 74mm (2.91"), making it the second wettest month of the year. Affluence in sunlight hours and sea temperature contributes favorably to seaside and outdoor activities. Weather in August »Weather in September
September in Jacmel retains warm tropical conditions with continued heavy rainfall. Rainfall remains more or less the same as August, registering at 71mm (2.8"). Despite the humidity and the prospect of showers, the warming sea temperatures persist, ensuring that coastal water activities remain favorable. Weather in September »Weather in October
October marks the receding phase of the wet season in Jacmel, with a notable drop in rainfalls to 75mm (2.95"). The sea temperature begins to cool off from its peak but remains comfortable for water activities. Although occasional showers might occur, daylight hours are quite decent, ensuring excellent visibility for various activities. Weather in October »Weather in November
November in Jacmel, Haiti brings less rain and decreasing temperatures. Substantial reduction in the average rainfall to 42mm (1.65") and a minor drop in the sea temperature underlines a transition towards drier and cooler months. Weather in November »Weather in December
Wrap up the year in Jacmel with the cool December weather. The rainfall drops down to its lowest level for the year at 13mm (0.51"), depicting a calm, dry season. Sea temperature continues on a declining trend but remains warm enough for sea activities. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Jacmel, Haiti
The warmest month (with the highest average high temperature) is August (29.7°C).
The months with the lowest average high temperature are January, February and March (27.2°C).
The month with the highest average low temperature is September (25.3°C).
The coldest month (with the lowest average low temperature) is January (22.3°C).
Average pressure
Jacmel, Haiti
- Average pressure in January:
1016mbar - Average pressure in February:
1015.8mbar - Average pressure in March:
1015.5mbar - Average pressure in April:
1014.6mbar - Average pressure in May:
1014.4mbar - Average pressure in June:
1015.1mbar
- Average pressure in July:
1015.2mbar - Average pressure in August:
1014mbar - Average pressure in September:
1012.9mbar - Average pressure in October:
1012.2mbar - Average pressure in November:
1012.7mbar - Average pressure in December:
1014.9mbar
The month with the highest atmospheric pressure is January (1016mbar).
The month with the lowest atmospheric pressure is October (1012.2mbar).
Average wind speed
Jacmel, Haiti
- Average wind speed in January:
11.2km/h - Average wind speed in February:
10.6km/h - Average wind speed in March:
10km/h - Average wind speed in April:
11km/h - Average wind speed in May:
12.8km/h - Average wind speed in June:
15.3km/h
- Average wind speed in July:
13.7km/h - Average wind speed in August:
12.1km/h - Average wind speed in September:
10.2km/h - Average wind speed in October:
10.2km/h - Average wind speed in November:
8.8km/h - Average wind speed in December:
10.5km/h
The windiest month (with the highest average wind speed) is June (15.3km/h).
The calmest month (with the lowest average wind speed) is November (8.8km/h).
Average humidity
Jacmel, Haiti
The month with the highest relative humidity is October (77%).
The month with the lowest relative humidity is February (72%).
Average rainfall
Jacmel, Haiti
The wettest month (with the highest rainfall) is October (75mm).
The driest month (with the least rainfall) is January (10mm).
Average rainfall days
Jacmel, Haiti
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
12.1 days - Average rainfall days in March:
19.5 days - Average rainfall days in April:
20 days - Average rainfall days in May:
19 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
17.7 days - Average rainfall days in August:
18.3 days - Average rainfall days in September:
19.3 days - Average rainfall days in October:
20.7 days - Average rainfall days in November:
16.3 days - Average rainfall days in December:
10.2 days
The month with the highest number of rainy days is October (20.7 days).
The month with the least rainy days is January (9.3 days).
Average sea temperature
Jacmel, Haiti
The best month for swimming (with the highest average sea temperature) is September (29.6°C).
The coldest month (with the lowest average sea temperature) is February (26.9°C).
Average daylight / Average sunshine
Jacmel, 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 6min
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 6min).
- Average sunshine in January:
7h and 30min - Average sunshine in February:
7h and 24min - Average sunshine in March:
9h and 24min - Average sunshine in April:
11h and 0min - Average sunshine in May:
11h and 24min - Average sunshine in June:
11h and 24min
- Average sunshine in July:
11h and 24min - Average sunshine in August:
11h and 24min - Average sunshine in September:
9h and 54min - Average sunshine in October:
9h and 24min - Average sunshine in November:
8h and 54min - Average sunshine in December:
7h and 30min
The months with the most sunshine are May, June, July and August (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 7h and 24min).
Average sunshine days
Jacmel, Haiti
- Average sunshine days in January:
17.7 days - Average sunshine days in February:
13.2 days - Average sunshine days in March:
8.7 days - Average sunshine days in April:
6.7 days - Average sunshine days in May:
9.5 days - Average sunshine days in June:
11.9 days
- Average sunshine days in July:
9.3 days - Average sunshine days in August:
10 days - Average sunshine days in September:
7.9 days - Average sunshine days in October:
7.5 days - Average sunshine days in November:
10.2 days - Average sunshine days in December:
18.7 days
The month with the most sunshine days is December (18.7 days).
The month with the least sunshine days is April (6.7 days).
Average UV index
Jacmel, Haiti
The months with the highest UV index are January, March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are February, November and December (UV index 6).
Average cloud cover
Jacmel, Haiti
The month with the most cloud cover is April (Cloud cover 30).
The month with the least cloud cover is December (Cloud cover 16).
Average visibility
Jacmel, Haiti
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).








