May weather forecast and climate
Saint-Marc, Haiti

Weather in May

The last month of the spring, May, is also a moderately hot month in Saint-Marc, Haiti, with average temperature ranging between max 29.3°C (84.7°F) and min 22.5°C (72.5°F).

Temperature

In May, the average high-temperature is relatively the same as in April - a still warm 29.3°C (84.7°F). The average low-temperature, in Saint-Marc, is 22.5°C (72.5°F).

Heat index

In May, the average heat index is appraised at a hot 34.7°C (94.5°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'feels like', or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, wind, metabolic differences), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Saint-Marc, the average relative humidity in May is 76%.

Rainfall

May is the month with the most rainfall. Rain falls for 25.3 days and accumulates 118mm (4.65") of precipitation.

Sea temperature

In May, the average sea temperature in Saint-Marc is 28°C (82.4°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

The average length of the day in May is 13h.

Sunshine

The average sunshine in May is 10.6h.

UV index

April through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the temperature in May in Saint-Marc?

In Saint-Marc, in May, the average high-temperature is 29.3°C (84.7°F), and the average low-temperature is 22.5°C (72.5°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in May is appraised at 34.7°C (94.5°F).

What is the average humidity in May in Saint-Marc?

In Saint-Marc, the average relative humidity in May is 76%.

What is the wettest month in Saint-Marc?

May is the month with the most rainfall in Saint-Marc, Haiti. Rain falls for 25.3 days and accumulates 118mm (4.65") of precipitation.

How much does it rain in Saint-Marc in May?

In Saint-Marc, Haiti, in May, it is raining for 25.3 days, with typically 118mm (4.65") of accumulated precipitation.

What is the sea water temperature in May in Saint-Marc?

In Saint-Marc, Haiti, in May, the average water temperature is 28°C (82.4°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.

What is the average length of the day in May in Saint-Marc?

In May, the average length of the day is 13h.

How long on average sun shines in May in Saint-Marc?

The average sunshine in May is 10.6h.

What is the month with the highest UV index in Saint-Marc?

Months with the highest UV index in Saint-Marc, Haiti, are April through September, with an average maximum UV index of 7.

How high is the UV index in May in Saint-Marc?

The average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to the UV radiation.

Average temperature in May
Saint-Marc, Haiti

Average temperature in May - Saint-Marc, Haiti
  • Average high temperature in May: 29.3°C

The warmest month (with the highest average high temperature) is July (30.7°C).
The month with the lowest average high temperature is January (27.3°C).

  • Average low temperature in May: 22.5°C

The month with the highest average low temperature is July (23.5°C).
The coldest month (with the lowest average low temperature) is January (20.1°C).

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Average pressure in May
Saint-Marc, Haiti

Average pressure in May - Saint-Marc, Haiti
  • Average pressure in May: 1014.7mbar

The month with the highest atmospheric pressure is January (1016.6mbar).
The month with the lowest atmospheric pressure is October (1012.5mbar).

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Average wind speed in May
Saint-Marc, Haiti

Average wind speed in May - Saint-Marc, Haiti
  • Average wind speed in May: 7.9km/h

The windiest month (with the highest average wind speed) is February (11.2km/h).
The calmest month (with the lowest average wind speed) is September (7km/h).

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Average humidity in May
Saint-Marc, Haiti

Average humidity in May - Saint-Marc, Haiti
  • Average humidity in May: 76%

The month with the highest relative humidity is November (81%).
Months with the lowest relative humidity are March and April (74%).

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Average rainfall in May
Saint-Marc, Haiti

Average rainfall in May - Saint-Marc, Haiti
  • Average rainfall in May: 118mm

The wettest month (with the highest rainfall) is May (118mm).
The driest months (with the least rainfall) are January and December (13mm).

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Average rainfall days in May
Saint-Marc, Haiti

Average rainfall days in May - Saint-Marc, Haiti
  • Average rainfall days in May: 25.3 days

The month with the highest number of rainy days is May (25.3 days).
The month with the least rainy days is December (8.5 days).

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Average sea temperature in May
Saint-Marc, Haiti

Average sea temperature in May - Saint-Marc, Haiti
  • Average sea temperature in May: 28°C

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 (26.8°C).

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Average daylight in May /
Average sunshine in May
Saint-Marc, Haiti

Average daylight in May / Average sunshine in May - Saint-Marc, Haiti
  • Average daylight in May: 13h

The month with the longest days is June (Average daylight: 13.3h).
The month with the shortest days is December (Average daylight: 11h).

  • Average sunshine in May: 10.6h

Months with the most sunshine are July and August (Average sunshine: 11.3h).
Months with the least sunshine are January and February (Average sunshine: 7.2).

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Average sunshine days in May
Saint-Marc, Haiti

Average sunshine days in May - Saint-Marc, Haiti
  • Average sunshine days in May: 4 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is September (3.2 days).

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Average UV index in May
Saint-Marc, Haiti

Average UV index in May - Saint-Marc, Haiti
  • Average UV index in May: 7

Months with the highest UV index are April, May, June, July, August and September (UV index 7).
Months with the lowest UV index are January, February, March, October, November and December (UV index 6).

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Average cloud cover in May
Saint-Marc, Haiti

Average cloud cover in May - Saint-Marc, Haiti
  • Average cloud cover in May: 32

The month with the most cloud cover is May (Cloud cover 32).
The month with the least cloud cover is December (Cloud cover 18).

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Average visibility in May
Saint-Marc, Haiti

Average visibility in May - Saint-Marc, Haiti
  • Average visibility in May: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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