December Weather in Grenville, Grenada

Last updated: August 23, 2025

In December, the average temperature in Grenville, Grenada is a warm 26°C (80°F), with lows of 24°C (75°F) and highs reaching up to 28°C (83°F). Expect a fair amount of precipitation, with approximately 82 mm (3.2 in) falling over 21 days. The air can feel quite humid too, with an average humidity of 80%.

December Temperature in Grenville

In December in Grenville, the average temperature is 26°C (80°F), with maximums reaching 28°C (83°F) and minimums dipping as low as 24°C (75°F). This pleasant climate makes it an ideal time for travelers looking to enjoy warm weather and outdoor activities.

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

The chart illustrates December temperature patterns in Grenville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grenville, December typically has an average temperature of 26°C (80°F), with highs reaching up to 28°C (83°F) and lows dropping to around 24°C (75°F).

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

December Precipitation in Grenville

In Grenville in December, the precipitation amount is 82 mm (3.2 in) over the course of 21 days.

December Precipitation Trends in Grenville

The chart displays monthly precipitation patterns in Grenville, 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 Grenville, December typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 21 days.

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

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Millimeters (mm) Inches (in)

December Humidity in Grenville

In Grenville in December humidity is 80%. With an average temperature of 26°C (80°F), this humidity feels like a warm, enveloping blanket, making it quite uncomfortable for traveling. The thick, heavy air can leave you feeling sticky and fatigued, making outdoor activities more challenging and necessitating frequent breaks for hydration and cooling down.

December Average Humidity in Grenville

This chart illustrates the average monthly humidity levels in Grenville, 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 Grenville is approximately 80%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Grenville

In Grenville 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 Grenville.

Maximum UV Index Levels in Grenville for December

The chart shows the monthly maximum UV Index (UVI) for Grenville 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 Grenville typically reaches 10, which falls under the very high exposure category.

Data source: Grenville 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 Grenville Compares to Other Months

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

This table compares monthly weather conditions in Grenville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	49 mm (1.9 inches)	78%	extreme
February Weather	26°C (78°F)	37 mm (1.5 inches)	77%	extreme
March Weather	26°C (79°F)	41 mm (1.6 inches)	76%	extreme
April Weather	26°C (80°F)	26 mm (1.0 inches)	75%	extreme
May Weather	27°C (81°F)	52 mm (2.1 inches)	76%	extreme
June Weather	27°C (81°F)	112 mm (4.4 inches)	80%	extreme
July Weather	27°C (81°F)	162 mm (6.4 inches)	83%	extreme
August Weather	27°C (81°F)	174 mm (6.8 inches)	80%	extreme
September Weather	28°C (82°F)	146 mm (5.7 inches)	79%	extreme
October Weather	27°C (82°F)	197 mm (7.8 inches)	79%	extreme
November Weather	27°C (81°F)	134 mm (5.3 inches)	81%	extreme
December Weather	26°C (80°F)	82 mm (3.2 inches)	80%	very high