December Weather in Webster, United States

Last updated: June 24, 2025

In December, the average temperature in Webster, United States hovers around 17°C (63°F), with a range that can dip to 0°C (33°F) and peak at 29°C (85°F). Expect a light drizzle, as precipitation amounts to 71 mm (2.8 in) over 7 days. The air feels quite humid, with an average humidity level of 84%, making it a uniquely atmospheric time to explore!

December Temperature in Webster

In December in Webster, the average temperature is 17°C (63°F). Maximum temperatures can reach 29°C (85°F), while the minimum can drop as low as 0°C (33°F). Be sure to pack layers to accommodate the varying temperatures during your travels.

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

The chart illustrates December temperature patterns in Webster, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Webster, December typically has an average temperature of 17°C (63°F), with highs reaching up to 29°C (85°F) and lows dropping to around 0°C (33°F).

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

December Precipitation in Webster

In Webster in December, the precipitation amount is 71 mm (2.8 in) over a span of 7 days.

December Precipitation Trends in Webster

The chart displays monthly precipitation patterns in Webster, 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 Webster, December typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 7 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 Webster

In Webster in December, humidity is 84%. With an average temperature of 17°C (63°F), this humidity feels like a warm, sticky embrace that can make traveling feel heavy and cumbersome, often leaving visitors yearning for refreshing breezes and shade.

December Average Humidity in Webster

This chart illustrates the average monthly humidity levels in Webster, 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 Webster 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 Webster

In Webster 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 Webster.

Maximum UV Index Levels in Webster for December

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

Data source: Webster 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 Webster Compares to Other Months

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

This table compares monthly weather conditions in Webster, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	15°C (60°F)	43 mm (1.7 inches)	83%	moderate
February Weather	19°C (66°F)	59 mm (2.3 inches)	80%	very high
March Weather	20°C (68°F)	19 mm (0.7 inches)	75%	very high
April Weather	23°C (73°F)	75 mm (3.0 inches)	70%	extreme
May Weather	25°C (78°F)	108 mm (4.2 inches)	68%	extreme
June Weather	27°C (81°F)	211 mm (8.3 inches)	75%	extreme
July Weather	27°C (81°F)	240 mm (9.5 inches)	79%	extreme
August Weather	28°C (82°F)	227 mm (9.0 inches)	81%	extreme
September Weather	27°C (81°F)	182 mm (7.2 inches)	83%	extreme
October Weather	25°C (77°F)	79 mm (3.1 inches)	81%	very high
November Weather	20°C (68°F)	49 mm (1.9 inches)	82%	high
December Weather	17°C (63°F)	71 mm (2.8 inches)	84%	moderate