December Weather in South Royalton, United States

Last updated: June 24, 2025

In South Royalton, United States, the average temperature in December hovers around -4°C (25°F). Expect chilly extremes, with minimum temperatures plummeting to -26°C (-15°F) and highs reaching 14°C (57°F). This month sees an average precipitation of 95 mm (3.7 in) spread over 11 days, contributing to a high humidity level of 84%. Be prepared for a wet and brisk experience!

December Temperature in South Royalton

In December in South Royalton, the average temperature is -4°C (25°F). Maximums can reach 14°C (57°F) and minimums can be as low as -26°C (-15°F). It's advisable to pack warm clothing and be prepared for fluctuating temperatures if you plan to travel during this time.

December Weather in South Royalton: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in South Royalton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Royalton, December typically has an average temperature of -4°C (25°F), with highs reaching up to 14°C (57°F) and lows dropping to around -26°C (-15°F).

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

December Precipitation in South Royalton

In South Royalton in December, the total precipitation amount is 95 mm (3.7 in) spread over 11 days.

December Precipitation Trends in South Royalton

The chart displays monthly precipitation patterns in South Royalton, 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 South Royalton, December typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 11 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 South Royalton

In South Royalton in December, humidity is 84%. With an average temperature of -4°C (25°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.

December Average Humidity in South Royalton

This chart illustrates the average monthly humidity levels in South Royalton, 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 South Royalton 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 South Royalton

In South Royalton in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in South Royalton, you can visit Hourly UV Index in South Royalton.

Maximum UV Index Levels in South Royalton for December

The chart shows the monthly maximum UV Index (UVI) for South Royalton 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 South Royalton typically reaches 2, which falls under the low exposure category.

Data source: South Royalton 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 South Royalton Compares to Other Months

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

This table compares monthly weather conditions in South Royalton, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	74 mm (2.9 inches)	89%	moderate
February Weather	-5°C (23°F)	82 mm (3.2 inches)	88%	moderate
March Weather	-1°C (30°F)	72 mm (2.8 inches)	86%	high
April Weather	6°C (43°F)	118 mm (4.6 inches)	84%	very high
May Weather	13°C (55°F)	87 mm (3.4 inches)	76%	very high
June Weather	18°C (65°F)	93 mm (3.7 inches)	72%	very high
July Weather	21°C (70°F)	135 mm (5.3 inches)	66%	very high
August Weather	20°C (68°F)	92 mm (3.6 inches)	64%	very high
September Weather	16°C (61°F)	66 mm (2.6 inches)	72%	high
October Weather	9°C (49°F)	138 mm (5.4 inches)	81%	moderate
November Weather	1°C (34°F)	101 mm (4.0 inches)	87%	moderate
December Weather	-4°C (25°F)	95 mm (3.7 inches)	84%	low