Climate and monthly weather forecastLes Cayes, Haiti
Climate and monthly weather forecast
The climate of Les Cayes
Nestled in the tropics, Les Cayes, Haiti, boasts a climate classification broadly termed as Tropical wet and dry or savanna, according to the Köppen system. The locality lies in the 'Aw' dominate climate zone, characterized typically by a distinct wet and dry season. An overview of weather parameters throughout the year reveals considerable variations and distinctive patterns.A review of the temperature patterns shows minimal fluctuation in the yearly cycle. With maximum projections around 32°C (89.6°F) during the middle of the year (from June to September) and minimum thresholds around 19°C (66.2°F) at the outset of the year (in January and February), the city experiences a relatively consistent thermal environment. The sea temperature follows a similar trend, ranging from 26.9°C (80.4°F) in February to a high of 29.8°C (85.6°F) in September, which can translate to pleasant beach weather almost all year round.
In terms of rainfall, the city showcases a clear contrast between the dry and wet periods. Estimations crest at 340mm (13.39") in October, marking the peak of the wet period. Conversely, February shows the lowest precipitation amount of 74mm (2.91"), positioning it as a relatively drier month. Rainfall days follow the same pattern, escalating from six and eight days in February and January respectively, to a maximum of 15 days in October. No significant divergences are observed in daylight hour calculations, which fluctuate from 11.1 to 13.2 hours, with June and July having marginally longer days.
The best time to visit Les Cayes
Considering the details of weather elements such as rainfall and temperature, the optimal time to visit Les Cayes would arguably be between March and May. During this period, the lowering rainfall levels correspond with moderately high temperatures (from 30°C (86°F) to 32°C (89.6°F)) that might prove more agreeable for touring. The sea temperature during this time falls between 27.1°C (80.8°F) and 28.2°C (82.8°F), offering ideal conditions for beach activities.The worst time to visit Les Cayes
In contrast, the period encompassing the months of September to November could be seen as less favorable for visiting Les Cayes. Rainfall surges up to a peak of 340mm (13.39") in October, accompanied by an increase in rainfall days to 15 in the same month which may hamper outdoor activities. Despite standing within the vicinity of the maximum yearly temperature value of 32°C (89.6°F), this time might not be optimum for travel due to increased precipitation.Spring weather in Les Cayes
In Les Cayes, spring, ranging from March to May, brings about agreeable conditions. Temperature values sharpen into a crescendo, increasing from 30°C (86°F) to 32°C (89.6°F), with the lowest temperature taking a gentler slope from 20°C (68°F) to 22°C (71.6°F). Correspondingly, this is the transition period into the heavy rainfalls with precipitation increasing from 87mm (3.43") in March to 276mm (10.87") in May. Sea temperature projections offer a pleasant range from 27.1°C (80.8°F) to 28.2°C (82.8°F).Summer weather in Les Cayes
The summer months in Les Cayes stretch from June to August. Here, the maximum temperature stagnates at a peak of 32°C (89.6°F), while the minimum registers a slight dip from 23°C (73.4°F) to 22°C (71.6°F). Rainfall drops from 171mm (6.73") in June to 150mm (5.91") in August, giving way to somewhat drier conditions. Sea temperature escalates to a yearly high during this period, peaking at 29.7°C (85.5°F) in August.Autumn weather in Les Cayes
In the autumn months spanning from September to November, extreme rainfall distinguishes Les Cayes' weather. The volume of rainfall steadily climbs from 219mm (8.62") in September to a yearly high at 340mm (13.39") in October, complemented by an escalating trend in the number of rainfall days. Although the maximum temperature persists at 32°C (89.6°F) in September before descending to 30°C (86°F) in November, the wet conditions could be disruptive.Winter weather in Les Cayes
Winter envelops Les Cayes from December to February, during which the landscape is injected with predominantly drier conditions. Maximum temperatures hover from 29°C (84.2°F) to 30°C (86°F) while the minimum temperature ranges from 19°C (66.2°F) to 20°C (68°F). Corresponding to this cooling trend, precipitation levels witness a downturn, falling from 129mm (5.08") in December to a yearly low of 74mm (2.91") in February. Sea temperatures maintain a fairly warm state, averaging around 27°C (80.6°F).Weather in January
One of the chiller months in Les Cayes, Haiti, brings temperatures oscillating in a narrow range, from 19°C (66.2°F) to 29°C (84.2°F). The weather manifests deep into the Caribbean winter, showing cooler nights and milder daytime highs. Weather in January »Weather in February
The shortest month of the year sees a marginal increase in the UV index, signalling sunnier times ahead for Les Cayes, Haiti. This month gets only slightly warmer than January, with nights chilly and daytime temperature mild. Weather conditions remain favourable for outdoor endeavours, with modest rainfall compared to that of upcoming months. Weather in February »Weather in March
March brings with it the highest UV index of the year, at 12 units, suggesting a stronger sun and potentially clear, radiant skies in Les Cayes, Haiti. The transition from winter to spring manifests as a subtle rise in the overall temperature. Weather in March »Weather in April
April marks the onset of a considerably moister season with a spiked rainfall of 159mm (6.26") in Les Cayes, Haiti. Compared to the preceding months, it presents an escalation in both daytime and night-time temperatures. Despite the advent of more frequent showers, daylight extends over 12.5 hours a day, hinting at longer, brighter days. Weather in April »Weather in May
May signals the arrival of a strikingly rainy spell, with an impressive 276mm (10.87") of rainfall, in Les Cayes, Haiti. It makes the transition to warmer days, culminating in a tropical atmosphere with occasional refreshing breaks. Weather in May »Weather in June
June's narrative is one of moderation with rainfall reducing to 171mm (6.73"), and the maximum temperature peaked at a scorching 32°C (89.6°F) in Les Cayes, Haiti. This month offers a respite from the excesses of May and warmly embraces the sunny summer. Weather in June »Weather in July
July reinvents the Haitian canvas with a healthy balance of warmth, wetness, and daylight in Les Cayes, Haiti. Temperatures remain relatively consistent from the previous month, indicating prolonged summer heat. The frequency of rainy days increases slightly, reinstating the tropical aura. Weather in July »Weather in August
August further strengthens the aesthetics of the tropical monsoon with an average of 191mm (7.52") of rainfall in Les Cayes, Haiti. The climatic blend of sun and rain continues with stable temperatures fetching the summer's high note. Weather in August »Weather in September
September observes a slight hike in rainfall, totalling to 219mm (8.62"), characterising the wet trend in Les Cayes, Haiti. Despite the escalated showers, temperatures linger at summer ranges, offering warm days and nights. The sea maintains its warmth, providing an enticing escape from the downpour. Weather in September »Weather in October
October storms into action with the highest annual rainfall of 340mm (13.39"), crowning it Les Cayes, Haiti's wettest month. Air temperatures slightly deviate from previous months, ushering in cooler nights. However, the daytime warmth endures, softened by the increased downpour frequencies. Weather in October »Weather in November
November witnesses a drastic rainfall reduction, sliding down to 129mm (5.08"), providing some relief to the saturated grounds in Les Cayes, Haiti. The city moves towards a pleasant phase, temperatures dropping slightly but remaining within the comfort zone. Weather in November »Weather in December
December gets cooler and drier, recording the least rainfall of 68mm (2.68"), and announces the advent of the holiday month in Les Cayes, Haiti. Slightly chillier nights and lower maximum temperatures lay the ground for winter's hush to settle in. 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
Les Cayes's temperatures tend to hit their minimum during January, February and December, with an average high-temperature of 29°C (84.2°F).
In Les Cayes, Haiti, during the entire year, the rain falls for 121 days and collects up to 1939mm (76.34") of precipitation.
January, May, June, September through December, with an average of 7h of sunshine, are months with the least sunshine.
January and December, with an average maximum UV index of 8, are months with the lowest UV index in Les Cayes, Haiti.
With an average sea temperature of 26.9°C (80.4°F), February is the month with the coldest seawater in Les Cayes.
The months with the most sunshine are February through April, July and August, with an average of 8h of sunshine.
On Sunday, 10. March 2024, at 02:00, Daylight Saving Time starts, 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 months with the highest UV index in Les Cayes are March through September, with an average maximum UV index of 12.
The warmest period, with an average high-temperature of 32°C (89.6°F), falls in June through September.
The month with the longest days in Les Cayes is June, with an average of 13h and 12min of daylight.
The month with the warmest seawater in Les Cayes is September, with an average sea temperature of 29.8°C (85.6°F).
The month with the most rainfall in Les Cayes is October, when the rain falls for 15 days and typically aggregates up to 340mm (13.39") of precipitation.
December is the month with the least rainfall in Les Cayes. Rain falls for 9 days and accumulates 68mm (2.68") of precipitation.
December has the shortest days of the year, with an average of 11h and 6min of daylight.
Average temperature
Les Cayes, Haiti
The warmest months (with the highest average high temperature) are June, July, August and September (32°C).
The months with the lowest average high temperature are January, February and December (29°C).
The months with the highest average low temperature are June and September (23°C).
The coldest months (with the lowest average low temperature) are January and February (19°C).
Average rainfall
Les Cayes, Haiti
- Average rainfall in January:
75mm - Average rainfall in February:
74mm - Average rainfall in March:
87mm - Average rainfall in April:
159mm - Average rainfall in May:
276mm - Average rainfall in June:
171mm
- Average rainfall in July:
150mm - Average rainfall in August:
191mm - Average rainfall in September:
219mm - Average rainfall in October:
340mm - Average rainfall in November:
129mm - Average rainfall in December:
68mm
The wettest month (with the highest rainfall) is October (340mm).
The driest month (with the least rainfall) is December (68mm).
Average rainfall days
Les Cayes, Haiti
- Average rainfall days in January:
8 days - Average rainfall days in February:
6 days - Average rainfall days in March:
7 days - Average rainfall days in April:
7 days - Average rainfall days in May:
11 days - Average rainfall days in June:
10 days
- Average rainfall days in July:
12 days - Average rainfall days in August:
12 days - Average rainfall days in September:
13 days - Average rainfall days in October:
15 days - Average rainfall days in November:
11 days - Average rainfall days in December:
9 days
The month with the highest number of rainy days is October (15 days).
The month with the least rainy days is February (6 days).
Average sea temperature
Les Cayes, Haiti
The best month for swimming (with the highest average sea temperature) is September (29.8°C).
The coldest month (with the lowest average sea temperature) is February (26.9°C).
Average daylight / Average sunshine
Les Cayes, 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).
The months with the most sunshine are February, March, April, July and August (Average sunshine: 8h).
The months with the least sunshine are January, May, June, September, October, November and December (Average sunshine: 7h).
Average UV index
Les Cayes, Haiti
The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The months with the lowest UV index are January and December (UV index 8).
