December Weather in Largo, United States

Last updated: June 24, 2025

In December, the average temperature in Largo, United States hovers around 18°C (65°F), making it a comfortable time to visit. Expect a minimum of 7°C (44°F) and a potential maximum of 24°C (76°F). Be prepared for some rain, as you might encounter 70 mm (2.8 in) of precipitation spread over 6 days. With an average humidity level of 84%, the air may feel a bit damp, adding to the unique atmosphere of the season.

December Temperature in Largo

In December in Largo, the average temperature is 18°C (65°F), with maximums reaching 24°C (76°F) and minimums dropping to as low as 7°C (44°F). This mild climate makes it an ideal time for exploring the beautiful surroundings and enjoying outdoor activities.

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

The chart illustrates December temperature patterns in Largo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Largo, December typically has an average temperature of 18°C (65°F), with highs reaching up to 24°C (76°F) and lows dropping to around 7°C (44°F).

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

December Precipitation in Largo

In Largo in December, the precipitation amount is 70 mm (2.8 in) over the course of 6 days.

December Precipitation Trends in Largo

The chart displays monthly precipitation patterns in Largo, 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 Largo, December typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 6 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 Largo

In Largo in December, humidity is 84%. With an average temperature of 18°C (65°F), this humidity feels like a thick blanket enveloping you, making travel feel heavy and slightly uncomfortable as the air clings to your skin and limits your breath.

December Average Humidity in Largo

This chart illustrates the average monthly humidity levels in Largo, 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 Largo is approximately 84%, 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 Largo

In Largo in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Largo.

Maximum UV Index Levels in Largo for December

The chart shows the monthly maximum UV Index (UVI) for Largo 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 Largo typically reaches 5, which falls under the moderate exposure category.

Data source: Largo 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 Largo Compares to Other Months

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

This table compares monthly weather conditions in Largo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (61°F)	43 mm (1.7 inches)	82%	high
February Weather	18°C (65°F)	57 mm (2.2 inches)	82%	very high
March Weather	20°C (68°F)	20 mm (0.8 inches)	79%	very high
April Weather	22°C (73°F)	66 mm (2.6 inches)	78%	extreme
May Weather	25°C (77°F)	103 mm (4.0 inches)	76%	extreme
June Weather	27°C (81°F)	159 mm (6.3 inches)	75%	extreme
July Weather	28°C (82°F)	210 mm (8.3 inches)	74%	extreme
August Weather	28°C (83°F)	221 mm (8.7 inches)	74%	extreme
September Weather	27°C (82°F)	135 mm (5.3 inches)	78%	extreme
October Weather	26°C (78°F)	71 mm (2.8 inches)	79%	very high
November Weather	21°C (70°F)	46 mm (1.8 inches)	82%	high
December Weather	18°C (65°F)	70 mm (2.8 inches)	84%	moderate