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December Weather in Santo Domingo, Peru

Last updated: August 27, 2025

In Santo Domingo, Peru, the average temperature in December is a pleasant 20°C (69°F), with fluctuations that can range from a minimum of 14°C (57°F) to a maximum of 28°C (82°F). Expect about 25 mm (1.0 in) of precipitation spread over 6 days, and enjoy the high humidity level of 91% that keeps the atmosphere lush and vibrant.

December Temperature in Santo Domingo

In December, in Santo Domingo, the average temperature is 20°C (69°F). The maximum can reach 28°C (82°F), while the minimum can be as low as 14°C (57°F). This pleasant climate makes Santo Domingo an ideal destination for travelers looking to enjoy moderate temperatures and outdoor activities.

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

The chart illustrates December 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, December typically has an average temperature of 20°C (69°F), with highs reaching up to 28°C (82°F) and lows dropping to around 14°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec727373706865646364656669
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.

December Precipitation in Santo Domingo

In Santo Domingo in December, the precipitation amount is 25 mm (1.0 in) spread over 6 days.

December Precipitation Trends in Santo Domingo

The chart displays monthly precipitation patterns in Santo Domingo, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Santo Domingo, December typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec3041723510454710825
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santo Domingo

In Santo Domingo in December, humidity is 91%. With an average temperature of 20°C (69°F), this humidity feels like a thick, warm blanket enveloping you, making outdoor activities quite challenging and prompting you to seek shade and hydration frequently while traveling.

December Average Humidity in Santo Domingo

This chart illustrates the average monthly humidity levels in Santo Domingo, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Santo Domingo is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%90%89%84%73%55%53%62%82%89%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Santo Domingo

In Santo Domingo in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Santo Domingo, you can check here.

Maximum UV Index Levels in Santo Domingo for December

The chart shows the monthly maximum UV Index (UVI) for Santo Domingo in December, 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 December, the maximum UV index in Santo Domingo typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151515141211111113141414
Data source: Santo Domingo December 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 December 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 December’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 December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)30 mm (1.2 inches)91%extreme
February Weather23°C (74°F)41 mm (1.6 inches)89%extreme
March Weather23°C (73°F)72 mm (2.8 inches)89%extreme
April Weather21°C (70°F)35 mm (1.4 inches)88%extreme
May Weather20°C (68°F)9 mm (0.4 inches)84%extreme
June Weather19°C (66°F)4 mm (0.2 inches)73%extreme
July Weather18°C (64°F)5 mm (0.2 inches)55%extreme
August Weather17°C (63°F)4 mm (0.2 inches)53%extreme
September Weather18°C (64°F)6 mm (0.3 inches)62%extreme
October Weather18°C (65°F)10 mm (0.4 inches)82%extreme
November Weather19°C (66°F)8 mm (0.3 inches)89%extreme
December Weather20°C (69°F)25 mm (1.0 inches)91%extreme

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