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December Weather in Rio Grande, Dominican Republic

Last updated: August 23, 2025

In Rio Grande, Dominican Republic, the average temperature in December hovers around 25°C (77°F), perfect for outdoor activities. Expect a minimum of 21°C (69°F) and a maximum of 31°C (88°F), making it a warm and inviting destination. However, be prepared for some rain, as precipitation averages 59 mm (2.3 in) over 15 days. With an average humidity of 69%, the weather remains pleasantly tropical!

December Temperature in Rio Grande

In December in Rio Grande, the average temperature is 25°C (77°F). Maximums can reach 31°C (88°F), and minimums can be as low as 21°C (69°F). This pleasant climate makes Rio Grande an ideal destination for travelers seeking warm weather and outdoor activities.

December Weather in Rio Grande: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Rio Grande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Grande, December typically has an average temperature of 25°C (77°F), with highs reaching up to 31°C (88°F) and lows dropping to around 21°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec757575777981818281807977
Data source: Temperature data for Rio Grande 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 Rio Grande

In Rio Grande in December, the total precipitation amount is 59 mm (2.3 in) spread over 15 days.

December Precipitation Trends in Rio Grande

The chart displays monthly precipitation patterns in Rio Grande, 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 Rio Grande, December typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec65461165653314448112727359
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rio Grande

In Rio Grande in December humidity is 69%. With an average temperature of 25°C (77°F), this humidity feels like a warm, heavy blanket enveloping you, making every step feel slightly sluggish and encouraging frequent breaks to enjoy refreshing beverages and cool breezes.

December Average Humidity in Rio Grande

This chart illustrates the average monthly humidity levels in Rio Grande, 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 Rio Grande is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%63%59%58%57%57%63%71%73%72%72%69%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rio Grande

In Rio Grande in December, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Rio Grande.

Maximum UV Index Levels in Rio Grande for December

The chart shows the monthly maximum UV Index (UVI) for Rio Grande 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 Rio Grande typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313121313121198
Data source: Rio Grande 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 Rio Grande Compares to Other Months

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

This table compares monthly weather conditions in Rio Grande, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)65 mm (2.6 inches)65%very high
February Weather24°C (75°F)46 mm (1.8 inches)63%extreme
March Weather24°C (76°F)116 mm (4.6 inches)59%extreme
April Weather25°C (78°F)56 mm (2.2 inches)58%extreme
May Weather26°C (80°F)53 mm (2.1 inches)57%extreme
June Weather27°C (81°F)31 mm (1.2 inches)57%extreme
July Weather27°C (82°F)44 mm (1.7 inches)63%extreme
August Weather28°C (82°F)48 mm (1.9 inches)71%extreme
September Weather27°C (82°F)112 mm (4.4 inches)73%extreme
October Weather27°C (80°F)72 mm (2.8 inches)72%extreme
November Weather26°C (79°F)73 mm (2.9 inches)72%very high
December Weather25°C (77°F)59 mm (2.3 inches)69%very high

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