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January Weather in Santo Domingo, Mexico

Last updated: August 27, 2025

In January, the average temperature in Santo Domingo, Mexico is a pleasant 23°C (74°F). However, be prepared for fluctuations, as temperatures can dip to a cool 13°C (55°F) or soar up to a scorching 39°C (103°F). Expect 31 mm (1.2 in) of precipitation spread over 8 days, and with an average humidity of 85%, you might want to stay hydrated and enjoy the tropical vibe!

January Temperature in Santo Domingo

In January in Santo Domingo, the average temperature is 23°C (74°F). Maximums can reach 39°C (103°F), while minimums can drop to as low as 13°C (55°F). Be prepared for warm days and cooler nights, making it a great time for both daytime explorations and evening outings.

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

The chart illustrates January 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, January typically has an average temperature of 23°C (74°F), with highs reaching up to 39°C (103°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec747779838481828281797675
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.

January Precipitation in Santo Domingo

In Santo Domingo in January, the precipitation amount is 31 mm (1.2 in) over the course of 8 days.

January Precipitation Trends in Santo Domingo

The chart displays monthly precipitation patterns in Santo Domingo, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Santo Domingo, January typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec311716396120173891621446336
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Santo Domingo

In Santo Domingo in January humidity is 85%. With an average temperature of 23°C (74°F), this humidity feels like a thick, steamy blanket wrapping around you, making outdoor activities draining and sweaty, and leaving you longing for a cool breeze or a refreshing drink to ease the discomfort while traveling.

January Average Humidity in Santo Domingo

This chart illustrates the average monthly humidity levels in Santo Domingo, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Santo Domingo is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%78%67%62%62%63%66%73%82%86%87%88%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Santo Domingo

In Santo Domingo in January, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Santo Domingo.

Maximum UV Index Levels in Santo Domingo for January

The chart shows the monthly maximum UV Index (UVI) for Santo Domingo in January, 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 January, the maximum UV index in Santo Domingo typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131413141313131298
Data source: Santo Domingo January 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 January 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 January’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 January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)31 mm (1.2 inches)85%very high
February Weather25°C (77°F)17 mm (0.7 inches)78%extreme
March Weather26°C (79°F)16 mm (0.6 inches)67%extreme
April Weather28°C (83°F)39 mm (1.5 inches)62%extreme
May Weather29°C (84°F)61 mm (2.4 inches)62%extreme
June Weather27°C (81°F)201 mm (7.9 inches)63%extreme
July Weather28°C (82°F)73 mm (2.9 inches)66%extreme
August Weather28°C (82°F)89 mm (3.5 inches)73%extreme
September Weather27°C (81°F)162 mm (6.4 inches)82%extreme
October Weather26°C (79°F)144 mm (5.7 inches)86%extreme
November Weather24°C (76°F)63 mm (2.5 inches)87%very high
December Weather24°C (75°F)36 mm (1.4 inches)87%very high

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