Climate and monthly weather forecast
Port-au-Prince, Haiti

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A stack of structures on a hillside in Port-au-Prince, Haiti
A stack of structures on a hillside in Port-au-Prince, Haiti

The climate of Port-au-Prince

Port-au-Prince, the vibrant capital of Haiti, is nestled in the tropical wet and dry or savanna zone according to the Köppen climate classification. The city bears witness to a specific contrast in weather patterns throughout the year induced by its geographical position in the tropical climate zone.

In reference to the year-long temperature data, this city experiences average maximum temperatures ranging from 27.6°C (81.7°F) to 30.9°C (87.6°F). Correspondingly, average minimum temperatures sway from 18.2°C (64.8°F) to 21.3°C (70.3°F). Thus, Port-au-Prince experiences a warm year-round climate with mild temperature variations.

Humidity levels exhibit a subtle alteration from 72% to 80% across the year, indicating a moderately humid climate. The rainfall patterns exhibit more distinctive seasonal changes. The city sees a range of rainfall amounts from a low of 12mm (0.47") in January to a peak of 141mm (5.55") in May. Concurrently, the number of rainfall days ranges from 9.9 days in January to 24.4 days in both April and October.

Visibility tends to remain uniform throughout the entire year, with average visibility of about 9 to 10 km. Guided by the data for sunshine hours and daylight hours, both factors maintain a fairly constant metric throughout the year, indicating frequent sunny days for residents and visitors. A perennial breeze is also a distinctive feature of Port-au-Prince, with wind speeds fluctuating mildly from 6.5km/h (4mph) to 9.2km/h (5.7mph).

The best time to visit Port-au-Prince

For visitors prioritizing pleasant weather and minimal rainfall, the optimal time to enjoy Port-au-Prince is from November to March. During this period, rainfall is at its lowest with an average of between 12mm (0.47") and 19mm (0.75"). Correspondingly, the number of rainfall days decreases to less than half compared to the wettest months. Although the temperatures during this period remain warm with highs ranging from 27.6°C (81.7°F) to 30.3°C (86.5°F), the humidity skews towards the lower end, making these months comfortable for outdoor activities and sightseeing.

The worst time to visit Port-au-Prince

Visitors seeking to avoid the wettest period in Port-au-Prince should sidestep the months from May to October. The city receives between 74mm (2.91") to 141mm (5.55") of rainfall in these months with May, August, and September receiving the most. Consequently, these months also witness more than 20 days of rain, which could potentially disrupt travel and outdoor plans.

Spring weather in Port-au-Prince

Spring, covering the months from March to May, is characterised by an ascension in rainfall in Port-au-Prince. Rainfall levels surge from 52mm (2.05") in March to 141mm (5.55") in May. Simultaneously, the city experiences warm temperatures ranging from 28.1°C (82.6°F) to 29.1°C (84.4°F). The sea temperature remains pleasantly warm as well, making it an idyllic time for water-based activities despite the escalating rain.

Summer weather in Port-au-Prince

A noteworthy feature during the summer months in Port-au-Prince, from June to August, involves the balance between increased rainfall and elevated temperatures. June sees about 74mm (2.91") of rainfall which further increases to 111mm (4.37") in August. Temperatures hover around the yearly peak from 30.3°C (86.5°F) to 30.9°C (87.6°F) in the same duration. Despite the humid climate and increased rainfall, the enhancement in sea temperature from 28.6°C (83.5°F) in June to 29.5°C (85.1°F) in August makes this the perfect season for those wanting to escape to the sea.

Autumn weather in Port-au-Prince

Autumn, from September to November, symbolizes a period of gradual retreat of rainfall back to drier conditions in Port-au-Prince. Colossal 135mm (5.31") of rainfall in September diminishes to 63mm (2.48") by November. The average temperature during these months ranges from 29.8°C (85.6°F) to 28.2°C (82.8°F), providing warm yet slowly moderating conditions suitable for a variety of outdoor activities.

Winter weather in Port-au-Prince

Winter months from December to February in Port-au-Prince are characterized by a significant reduction in rainfall with only 12mm (0.47") to 18mm (0.71"). This period, with its mellow temperatures spanning from 27.6°C (81.7°F) to 28.2°C (82.8°F), coupled with low humidity, is considered the most comfortable time of the year. The sea temperatures also stay at a strikingly conducive level during winter, which makes this time ideal for coastal expeditions and water sports.

Weather in January

January in Port-au-Prince, Haiti, ushers in the New Year with a generally warm and humid climate. The temperature ranges from 18.2°C (64.8°F) at night to 27.6°C (81.7°F) during daytime. This month typically experiences a relative humidity of 74%, and the sea shows a comfortable temperature of 27.2°C (81°F), inviting for a quick dip. Weather in January »

Weather in February

February sees a slight increase in temperatures compared to January, marking the start of a gentle rise in heat. The night temperature sees a marginal increase to 18.8°C (65.8°F) while the maximum temperature climbs to 28.2°C (82.8°F). Weather in February »

Weather in March

With the advent of March, Port-au-Prince confronts the first signs of the rainy season, with an abrupt rise to 52mm (2.05") of rainfall. The ambient temperature maintains its rising trend from February, reaching a daytime high of 28.1°C (82.6°F) and a nighttime low of 19°C (66.2°F). Weather in March »

Weather in April

April brings a definite onset of the rainy season in Port-au-Prince, with the rainfall volume significantly increasing to 76mm (2.99"). This increase in rainfall sees a subsequent rise in temperature, creating a somewhat stuffy ambiance with the highest temperature marking 28.9°C (84°F) and the lowest being 19.9°C (67.8°F). Weather in April »

Weather in May

Port-au-Prince hears the loudest roars of the rainy season in May, with the highest annual rainfall of 141mm (5.55"), making it the wettest month of the year. Even though the city experiences this substantial increase in rainfall, temperatures continue to climb in May, peaking at 29.1°C (84.4°F), and dipping to a low of 20.6°C (69.1°F) at night. Weather in May »

Weather in June

June in Port-au-Prince presents an interesting mix of weather conditions. There is a considerable decrease in rainfall to 74mm (2.91") from its peak in May, announcing the gradual retreat of the rainy season. This month records its highest seaside temperature at 28.6°C (83.5°F), making it an excellent time for sea swimming. Weather in June »

Weather in July

July sees a marginal decrease in rainfall, dropping down to 89mm (3.5"), and a slight increase in average temperature, setting the pace for the warmest days of the year. The temperature sees a high of 30.8°C (87.4°F) and a low of 21.1°C (70°F) making it the hottest month of the year. Weather in July »

Weather in August

August witnesses a further rise in rainfall in Port-au-Prince, reaching 111mm (4.37"), making it one of the rainiest months of the year. However, despite the increased rainfall, the maximum temperature holds steady at 30.9°C (87.6°F), tying with July for the highest temperature of the year. Weather in August »

Weather in September

The transition from summer to autumn sees a drop in temperatures with the maximum temperature decreasing to 29.8°C (85.6°F) and minimum to 21.3°C (70.3°F). However, the quantity of rainfall increases significantly, making September the month with the highest rainfall at 135mm (5.31") for the entire year in Port-au-Prince. Weather in September »

Weather in October

October maintains the trend of high rainfall with 114mm (4.49"), sealing the wet season's last hurrah. Comparably, the maximum temperature declines to 29.2°C (84.6°F), and the minimum temperature shifts to 20.8°C (69.4°F), signaling the arrival of the cooler months. Weather in October »

Weather in November

November sees a welcome decrease in rainfall, reducing down to 63mm (2.48"), bringing relief after the extensive rainy spell. The reduction in rainfall coincides with a drop in temperature with the maximum temperature dipping to 28.2°C (82.8°F) and the minimum to 19.9°C (67.8°F). Weather in November »

Weather in December

December, the last month of the year, marks the onset of the cool dry season in Port-au-Prince. The rainfall further decreases to 19mm (0.75"), and the temperature varies between 18.6°C (65.5°F) and 27.8°C (82°F), creating pleasantly cool conditions. Weather in December »

Frequently asked questions

What is the coldest time of year in Port-au-Prince?

Port-au-Prince reaches its average lowest temperatures in January, measuring 27.6°C (81.7°F) at the peak and 18.2°C (64.8°F) at the lowest.

What is the driest month in Port-au-Prince?

The month with the least rainfall in Port-au-Prince is January, when the rain falls for 9.9 days and typically collects 12mm (0.47") of precipitation.

How many days does it rain in Port-au-Prince?

In Port-au-Prince, during the entire year, the rain falls for 227.4 days and collects up to 904mm (35.59") of precipitation.

What are the months with the lowest UV index in Port-au-Prince?

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 Port-au-Prince?

February is the least humid month in Port-au-Prince, with an average relative humidity of 72%.

What month is the sea coldest in Port-au-Prince?

The month with the coldest seawater is February, with an average sea temperature of 26.8°C (80.2°F).

What is the month with the least sunshine in Port-au-Prince?

The month with the least sunshine in Port-au-Prince is February, with an average of 7.2h of sunshine.

When is Daylight Saving Time (DST) in Port-au-Prince?

On Sunday, 10. March 2024, at 02:00, Daylight Saving Time starts in Port-au-Prince, 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 Port-au-Prince?

May is the month with the most rainfall in Port-au-Prince, Haiti. Rain falls for 24.3 days and accumulates 141mm (5.55") of precipitation.

When are the longest days in Port-au-Prince?

June has the longest days of the year in Port-au-Prince, with an average of 13h and 12min of daylight.

When is the highest UV index in Port-au-Prince?

June is the month with the highest UV index in Port-au-Prince, with an average maximum UV index of 7.

What month has the most sunshine in Port-au-Prince?

With an average of 11.3h of sunshine, July has the most sunshine of the year in Port-au-Prince.

What month is the hottest in Port-au-Prince?

August, with its average high-temperature of 30.9°C (87.6°F) and an average low-temperature of 21.3°C (70.3°F), holds the record as the warmest month.

When is the sea warmest in Port-au-Prince?

With an average sea temperature of 29.8°C (85.6°F), September is the month with the warmest seawater.

What is the most humid month in Port-au-Prince?

With an average relative humidity of 80%, November is the most humid month in Port-au-Prince, Haiti.

What is the month with the shortest days in Port-au-Prince?

December has the shortest days of the year in Port-au-Prince, Haiti, with an average of 11h and 0min of daylight.

Average temperature
Port-au-Prince, Haiti

Average temperature - Port-au-Prince, Haiti

The warmest month (with the highest average high temperature) is August (87.6°F).
The month with the lowest average high temperature is January (81.7°F).

The months with the highest average low temperature are August and September (70.3°F).
The coldest month (with the lowest average low temperature) is January (64.8°F).

Average pressure
Port-au-Prince, Haiti

Average pressure - Port-au-Prince, Haiti

The months with the highest atmospheric pressure are January and February (30.01"Hg).
The month with the lowest atmospheric pressure is October (29.9"Hg).

Average wind speed
Port-au-Prince, Haiti

Average wind speed - Port-au-Prince, Haiti

The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is September (4mph).

Average humidity
Port-au-Prince, Haiti

Average humidity - Port-au-Prince, Haiti

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

Average rainfall
Port-au-Prince, Haiti

Average rainfall - Port-au-Prince, Haiti

The wettest month (with the highest rainfall) is May (5.55").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days
Port-au-Prince, Haiti

Average rainfall days - Port-au-Prince, 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).

Average sea temperature
Port-au-Prince, Haiti

Average sea temperature - Port-au-Prince, Haiti

The best month for swimming (with the highest average sea temperature) is September (85.6°F).
The coldest month (with the lowest average sea temperature) is February (80.1°F).

Average daylight / Average sunshine
Port-au-Prince, Haiti

Average daylight / Average sunshine - Port-au-Prince, 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).

Average sunshine days
Port-au-Prince, Haiti

Average sunshine days - Port-au-Prince, Haiti

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
Port-au-Prince, Haiti

Average UV index - Port-au-Prince, 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 visibility
Port-au-Prince, Haiti

Average visibility - Port-au-Prince, Haiti

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Port-au-Prince, Haiti

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