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December Weather in Hillsborough, Grenada

Last updated: August 23, 2025

In December, the average temperature in Hillsborough, Grenada is a warm 27°C (80°F), with a minimum of 24°C (76°F) and a maximum reaching 28°C (83°F). Expect some rain during this time, with precipitation totaling approximately 66 mm (2.6 in) across 19 days. The air is quite humid, featuring an average humidity level of 82%.

December Temperature in Hillsborough

In December in Hillsborough, the average temperature is 27°C (80°F), with maximums reaching 28°C (83°F) and minimums dipping to 24°C (76°F). This mild climate makes it an ideal destination for travelers seeking warm and pleasant weather.

December Weather in Hillsborough: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Hillsborough, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hillsborough, December typically has an average temperature of 27°C (80°F), with highs reaching up to 28°C (83°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec797878798081818182818180
Data source: Temperature data for Hillsborough 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 Hillsborough

In Hillsborough in December, the precipitation amount is 66 mm (2.6 in) over the course of 19 days.

December Precipitation Trends in Hillsborough

The chart displays monthly precipitation patterns in Hillsborough, 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 Hillsborough, December typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec473344284610415016413818012766
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hillsborough

In Hillsborough in December, humidity is 82%. With an average temperature of 27°C (80°F), this humidity feels like a warm blanket enveloping you, making outdoor activities feel sticky and heavy, often leaving travelers longing for shade and a refreshing drink.

December Average Humidity in Hillsborough

This chart illustrates the average monthly humidity levels in Hillsborough, 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 Hillsborough is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%80%80%79%80%83%84%81%80%82%83%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Hillsborough

In Hillsborough in December, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Hillsborough.

Maximum UV Index Levels in Hillsborough for December

The chart shows the monthly maximum UV Index (UVI) for Hillsborough 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 Hillsborough typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111214141413131414131110
Data source: Hillsborough 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 Hillsborough Compares to Other Months

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

This table compares monthly weather conditions in Hillsborough, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)47 mm (1.8 inches)81%extreme
February Weather26°C (78°F)33 mm (1.3 inches)80%extreme
March Weather26°C (79°F)44 mm (1.7 inches)80%extreme
April Weather26°C (80°F)28 mm (1.1 inches)79%extreme
May Weather27°C (81°F)46 mm (1.8 inches)80%extreme
June Weather27°C (81°F)104 mm (4.1 inches)83%extreme
July Weather27°C (81°F)150 mm (5.9 inches)84%extreme
August Weather27°C (81°F)164 mm (6.4 inches)81%extreme
September Weather28°C (82°F)138 mm (5.4 inches)80%extreme
October Weather27°C (82°F)180 mm (7.1 inches)82%extreme
November Weather27°C (81°F)127 mm (5.0 inches)83%extreme
December Weather27°C (80°F)66 mm (2.6 inches)82%very high

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