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May Weather in Santa Martha, Mexico

Last updated: August 27, 2025

In May, the average temperature in Santa Martha, Mexico reaches a warm 29°C (85°F). Expect a comfortable minimum of 18°C (64°F), but be prepared for a peak that can soar to a scorching 43°C (110°F). With an average humidity of 85%, the climate can feel quite steamy, and don't forget to bring your umbrella as 90 mm (3.6 in) of precipitation may grace 16 days of the month!

May Temperature in Santa Martha

In May in Santa Martha, the average temperature is 29°C (85°F). Maximums can reach 43°C (110°F), and minimums can be as low as 18°C (64°F). Travelers should be prepared for hot days and cooler evenings, making it essential to pack accordingly.

May Weather in Santa Martha: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Santa Martha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Martha, May typically has an average temperature of 29°C (85°F), with highs reaching up to 43°C (110°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec677176818584848482787369
Data source: Temperature data for Santa Martha 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 Santa Martha

In Santa Martha in May, the precipitation amount is 90 mm (3.6 in) spread across 16 days.

May Precipitation Trends in Santa Martha

The chart displays monthly precipitation patterns in Santa Martha, 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 Santa Martha, May typically receives around 90 mm (3.6 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec38173534901841711281751392813
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Santa Martha

In Santa Martha in May humidity is 85%. With an average temperature of 29°C (85°F), this humidity feels like a thick blanket enveloping you, making every step feel like a small effort, and often leaving you longing for a cool breeze or shade while exploring the sights.

May Average Humidity in Santa Martha

This chart illustrates the average monthly humidity levels in Santa Martha, 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 Santa Martha is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%83%84%85%79%71%72%80%85%88%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Santa Martha

In Santa Martha in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Santa Martha.

Maximum UV Index Levels in Santa Martha for May

The chart shows the monthly maximum UV Index (UVI) for Santa Martha 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 Santa Martha typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79121212121312121086
Data source: Santa Martha 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 Santa Martha Compares to Other Months

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

This table compares monthly weather conditions in Santa Martha, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (67°F)38 mm (1.5 inches)87%high
February Weather22°C (71°F)17 mm (0.7 inches)85%very high
March Weather24°C (76°F)35 mm (1.4 inches)83%extreme
April Weather27°C (81°F)34 mm (1.3 inches)84%extreme
May Weather29°C (85°F)90 mm (3.6 inches)85%extreme
June Weather29°C (84°F)184 mm (7.3 inches)79%extreme
July Weather29°C (84°F)171 mm (6.7 inches)71%extreme
August Weather29°C (84°F)128 mm (5.0 inches)72%extreme
September Weather28°C (82°F)175 mm (6.9 inches)80%extreme
October Weather26°C (79°F)139 mm (5.5 inches)85%very high
November Weather23°C (73°F)28 mm (1.1 inches)88%very high
December Weather21°C (69°F)13 mm (0.5 inches)89%high

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