January Weather in Santo Domingo, Mexico

Last updated: August 27, 2025

In Santo Domingo, Mexico, the average temperature in January hovers around 18°C (64°F), making it a comfortable time to visit. Expect minimum temperatures to drop to 9°C (48°F), while highs can reach up to 26°C (79°F). During this month, precipitation averages at 39 mm (1.5 in) over 9 days, and the air feels quite humid, with an average humidity of 76%.

January Temperature in Santo Domingo

In January in Santo Domingo, the average temperature is 18°C (64°F). The maximum can reach 26°C (79°F), while the minimum can be as low as 9°C (48°F). This mild weather makes Santo Domingo an ideal destination for travelers seeking comfortable and enjoyable conditions for outdoor activities.

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 18°C (64°F), with highs reaching up to 26°C (79°F) and lows dropping to around 9°C (48°F).

Data source: Temperature data for Santo Domingo generated using information from the Copernicus Climate Change Service.

January Precipitation in Santo Domingo

In Santo Domingo in January, the precipitation amount is 39 mm (1.5 in) spread over 9 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 39 mm (1.5 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Santo Domingo

In Santo Domingo in January, humidity is 76%. With an average temperature of 18°C (64°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities feel steamy and invigorating—perfect for exploring charming streets, though you might want to take breaks in the shade.

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 76%, offering insight into how humid the weather typically is during this month.

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 reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, 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 11, which falls under the extreme exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	18°C (64°F)	39 mm (1.5 inches)	76%	extreme
February Weather	18°C (65°F)	34 mm (1.3 inches)	68%	extreme
March Weather	19°C (66°F)	77 mm (3.0 inches)	59%	extreme
April Weather	19°C (67°F)	131 mm (5.1 inches)	57%	extreme
May Weather	20°C (68°F)	395 mm (15.6 inches)	65%	extreme
June Weather	20°C (67°F)	481 mm (18.9 inches)	66%	extreme
July Weather	20°C (68°F)	272 mm (10.7 inches)	75%	extreme
August Weather	19°C (67°F)	434 mm (17.1 inches)	82%	extreme
September Weather	19°C (67°F)	436 mm (17.2 inches)	82%	extreme
October Weather	19°C (67°F)	360 mm (14.2 inches)	83%	extreme
November Weather	19°C (66°F)	114 mm (4.5 inches)	80%	extreme
December Weather	18°C (65°F)	52 mm (2.0 inches)	76%	very high