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May Weather in Santo Domingo, Mexico

Last updated: August 27, 2025

In May, the average temperature in Santo Domingo, Mexico is a pleasant 20°C (68°F). Expect minimums of 13°C (56°F) and maximums reaching 27°C (81°F). However, be prepared for frequent rain, as the area sees a total precipitation of 395 mm (15.6 in) over 31 days. With an average humidity of 65%, the atmosphere can feel quite moist, so pack accordingly!

May Temperature in Santo Domingo

In May in Santo Domingo, the average temperature is 20°C (68°F). The maximum can reach 27°C (81°F) and the minimum can be as low as 13°C (56°F). This mild weather makes it an ideal time for outdoor activities and sightseeing.

May Weather in Santo Domingo: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Santo Domingo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santo Domingo, May typically has an average temperature of 20°C (68°F), with highs reaching up to 27°C (81°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec646566676867676767676664
Data source: Temperature data for Santo Domingo 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 Santo Domingo

In Santo Domingo in May, the precipitation amount reaches 395 mm (15.6 in) over the course of 31 days.

May Precipitation Trends in Santo Domingo

The chart displays monthly precipitation patterns in Santo Domingo, 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 Santo Domingo, May typically receives around 395 mm (15.6 inches) of precipitation spread over approximately 31 days.
JanFebMarAprMayJunJulAugSepOctNovDec39347713139548127243443636011452
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Santo Domingo

In Santo Domingo in May humidity is 65%. With an average temperature of 20°C (68°F), this humidity feels quite muggy for traveling, making even short walks feel a bit sticky and requiring frequent hydration.

May Average Humidity in Santo Domingo

This chart illustrates the average monthly humidity levels in Santo Domingo, 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 Santo Domingo is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%68%59%57%65%66%75%82%82%83%80%76%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Santo Domingo

In Santo Domingo in May, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Santo Domingo.

Maximum UV Index Levels in Santo Domingo for May

The chart shows the monthly maximum UV Index (UVI) for Santo Domingo 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 Santo Domingo typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151515151414131110
Data source: Santo Domingo 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 Santo Domingo Compares to Other Months

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

This table compares monthly weather conditions in Santo Domingo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (64°F)39 mm (1.5 inches)76%extreme
February Weather18°C (65°F)34 mm (1.3 inches)68%extreme
March Weather19°C (66°F)77 mm (3.0 inches)59%extreme
April Weather19°C (67°F)131 mm (5.1 inches)57%extreme
May Weather20°C (68°F)395 mm (15.6 inches)65%extreme
June Weather20°C (67°F)481 mm (18.9 inches)66%extreme
July Weather20°C (68°F)272 mm (10.7 inches)75%extreme
August Weather19°C (67°F)434 mm (17.1 inches)82%extreme
September Weather19°C (67°F)436 mm (17.2 inches)82%extreme
October Weather19°C (67°F)360 mm (14.2 inches)83%extreme
November Weather19°C (66°F)114 mm (4.5 inches)80%extreme
December Weather18°C (65°F)52 mm (2.0 inches)76%very high

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