March 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

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). The resulting humid weather becomes more pronounced, making the climate slightly uncomfortable for those not accustomed to it. Despite the increased rainfall, there are 12.1 hours of daylight that allow for a good number of outdoor activities. The UV index remains moderate, ensuring a relatively safe weather condition for visitors.

Temperature

The start of March in Port-au-Prince marks an average high-temperature of a still moderately hot 28.1°C (82.6°F), hardly distinguishable from the conditions in February. Port-au-Prince registers a consistent average low-temperature of 19°C (66.2°F) during March.

Heat index

For most parts of March, the heat index is estimated at a hot 31°C (87.8°F). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.

Humidity

The average relative humidity in March in Port-au-Prince, Haiti, is 73%.

Rainfall

In Port-au-Prince, during March, the rain falls for 19.9 days and regularly aggregates up to 52mm (2.05") of precipitation. Throughout the year, in Port-au-Prince, there are 227.4 rainfall days, and 904mm (35.59") of precipitation is accumulated.

Sea temperature

In Port-au-Prince, the average seawater temperature in March is 26.9°C (80.4°F).
Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) are ideal for swimming, diving, and similar water activities, ensuring pleasure and comfort for extended periods without feeling uneasy.

Daylight

The average length of the day in March is 12h and 3min.
On the first day of the month, sunrise is at 06:07 and sunset at 17:55 EST. On the last day of March, sunrise is at 06:43 and sunset at 19:02 EDT.
Note: On Sunday, 10. March 2024, at 02:00, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, 03. November 2024, at 02:00; consequently, the time zone reverts from EDT to EST.

Sunshine

In March, the average sunshine is 8.7h.

UV index

The months with the lowest UV index in Port-au-Prince are January through May, July through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 6 in March translates into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.
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Frequently asked questions

Is it hot in Port-au-Prince during March?

The high-temperature, in March, in Port-au-Prince, is 28.1°C (82.6°F), while the low-temperature averages to 19°C (66.2°F). In March, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is estimated at 31°C (87.8°F).

What is the average humidity in March in Port-au-Prince?

In March, the average relative humidity is 73%.

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

In Port-au-Prince, in March, it is raining for 19.9 days, with typically 52mm (2.05") of accumulated precipitation.

How warm is the water in March in Port-au-Prince?

In Port-au-Prince, Haiti, the average seawater temperature in March is 26.9°C (80.4°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Port-au-Prince have in March?

In Port-au-Prince, the average day length in March is 12h and 3min.

When is the sunrise / sunset in March in Port-au-Prince?

In March, on the first day of the month, sunrise is at 06:07 and sunset at 17:55 EST. On the last day of the month, sunrise is at 06:43 and sunset at 19:02 EDT.

When does Daylight Saving Time (DST) start in March 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. DST ends on Sunday, 03. November 2024, at 02:00.

How long on average sun shines in March in Port-au-Prince?

In Port-au-Prince, the average sunshine duration in March is 8.7h.

When is 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 in Port-au-Prince.

What is the UV index intensity in March in Port-au-Prince?

In March, the average daily maximum UV index in Port-au-Prince, Haiti, is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to Sun's UV rays.

Average temperature in March
Port-au-Prince, Haiti

Average temperature in March - Port-au-Prince, Haiti
  • Average high temperature in March: 28.1°C

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).

  • Average low temperature in March: 19°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 in March
Port-au-Prince, Haiti

Average pressure in March - Port-au-Prince, Haiti
  • Average pressure in March: 1015.8mbar

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 in March
Port-au-Prince, Haiti

Average wind speed in March - Port-au-Prince, Haiti
  • Average wind speed in March: 7.2km/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).

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Average humidity in March
Port-au-Prince, Haiti

Average humidity in March - Port-au-Prince, Haiti
  • Average humidity in March: 73%

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 in March
Port-au-Prince, Haiti

Average rainfall in March - Port-au-Prince, Haiti
  • Average rainfall in March: 52mm

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 in March
Port-au-Prince, Haiti

Average rainfall days in March - Port-au-Prince, Haiti
  • Average rainfall days in March: 19.9 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).

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Average sea temperature in March
Port-au-Prince, Haiti

Average sea temperature in March - Port-au-Prince, Haiti
  • Average sea temperature in March: 26.9°C

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 (26.8°C).

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

Average daylight in March / Average sunshine in March - Port-au-Prince, Haiti
  • Average daylight in March: 12h and 1min

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 March: 8h and 4min

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 in March
Port-au-Prince, Haiti

Average sunshine days in March - Port-au-Prince, Haiti
  • Average sunshine days in March: 8.8 days

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 in March
Port-au-Prince, Haiti

Average UV index in March - Port-au-Prince, Haiti
  • Average UV index in March: 6

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 cloud cover in March
Port-au-Prince, Haiti

Average cloud cover in March - Port-au-Prince, Haiti
  • Average cloud cover in March: 34

The month with the most cloud cover is April (Cloud cover 35).
The month with the least cloud cover is December (Cloud cover 21).

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Average visibility in March
Port-au-Prince, Haiti

Average visibility in March - Port-au-Prince, Haiti
  • Average visibility in March: 10km

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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Port-au-Prince, Haiti

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