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May Weather in Saint-Marc, Haiti

Last updated: August 23, 2025

In May, the average temperature in Saint-Marc, Haiti hovers around 27°C (80°F). Expect a comfortable range with minimums dipping to 23°C (73°F) and maximums peaking at 30°C (86°F). However, do prepare for a bit of rain, as 78 mm (3.1 in) of precipitation may grace 19 days of the month. With an average humidity of 60%, the weather is sure to feel warm and tropical!

May Temperature in Saint-Marc

In May, in Saint-Marc, the average temperature is 27°C (80°F), with maximums reaching 30°C (86°F) and minimums dropping to as low as 23°C (73°F). This mild and pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

May Weather in Saint-Marc: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Saint-Marc, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Marc, May typically has an average temperature of 27°C (80°F), with highs reaching up to 30°C (86°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777788081828281817978
Data source: Temperature data for Saint-Marc generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Saint-Marc

In Saint-Marc in May, the precipitation amount is 78 mm (3.1 in), occurring over the course of 19 days.

May Precipitation Trends in Saint-Marc

The chart displays monthly precipitation patterns in Saint-Marc, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Saint-Marc, May typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec141323587865628497978314
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Saint-Marc

In Saint-Marc in May, humidity is 60%. With an average temperature of 27°C (80°F), this humidity feels like a warm embrace, making travel slightly sticky yet invigorating, as it heightens the sense of adventure and helps you appreciate the vibrant surroundings even more.

May Average Humidity in Saint-Marc

This chart illustrates the average monthly humidity levels in Saint-Marc, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Saint-Marc is approximately 60%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%63%62%62%60%62%70%76%76%76%76%71%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Saint-Marc

In Saint-Marc in May, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Saint-Marc.

Maximum UV Index Levels in Saint-Marc for May

The chart shows the monthly maximum UV Index (UVI) for Saint-Marc in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Saint-Marc typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313121212121198
Data source: Saint-Marc May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How May Weather in Saint-Marc Compares to Other Months

Weather in Saint-Marc varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Saint-Marc, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Saint-Marc, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)14 mm (0.6 inches)65%very high
February Weather25°C (77°F)13 mm (0.5 inches)63%extreme
March Weather25°C (77°F)23 mm (0.9 inches)62%extreme
April Weather26°C (79°F)58 mm (2.3 inches)62%extreme
May Weather27°C (80°F)78 mm (3.1 inches)60%extreme
June Weather27°C (81°F)64 mm (2.5 inches)61%extreme
July Weather28°C (82°F)62 mm (2.4 inches)70%extreme
August Weather28°C (82°F)84 mm (3.3 inches)76%extreme
September Weather27°C (82°F)97 mm (3.8 inches)76%extreme
October Weather27°C (81°F)97 mm (3.8 inches)76%extreme
November Weather26°C (79°F)82 mm (3.2 inches)76%very high
December Weather26°C (79°F)14 mm (0.5 inches)71%very high

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