December Weather in Astor, United States

Last updated: June 24, 2025

In December, the average temperature in Astor, United States hovers around 17°C (62°F), offering a pleasant climate for various activities. Expect a minimum chill of 1°C (35°F) and a delightful maximum of 28°C (83°F) throughout the month. As you enjoy the weather, keep in mind that precipitation averages 67 mm (2.7 in) over about 7 days, and the air maintains an average humidity level of 84%, creating a refreshing atmosphere.

December Temperature in Astor

In December in Astor, the average temperature is 17°C (62°F). Maximums can reach 28°C (83°F), while minimums can drop as low as 1°C (35°F). This makes Astor an ideal destination for travelers seeking a mix of mild days and cooler nights.

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

The chart illustrates December temperature patterns in Astor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Astor, December typically has an average temperature of 17°C (62°F), with highs reaching up to 28°C (83°F) and lows dropping to around 1°C (35°F).

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

December Precipitation in Astor

In Astor in December, the precipitation amount is 67 mm (2.7 in) over a span of 7 days.

December Precipitation Trends in Astor

The chart displays monthly precipitation patterns in Astor, 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 Astor, December typically receives around 67 mm (2.7 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 Astor

In Astor in December humidity is 84%. With an average temperature of 17°C (62°F), this humidity feels like a warm blanket enveloping you, making travel both comforting and slightly stifling, as you navigate through a haze of thick, moisture-laden air.

December Average Humidity in Astor

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

In Astor 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 Astor.

Maximum UV Index Levels in Astor for December

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

Data source: Astor 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 Astor Compares to Other Months

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

This table compares monthly weather conditions in Astor, 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 (59°F)	46 mm (1.8 inches)	83%	moderate
February Weather	18°C (65°F)	55 mm (2.2 inches)	80%	very high
March Weather	19°C (67°F)	25 mm (1.0 inches)	75%	very high
April Weather	22°C (71°F)	80 mm (3.1 inches)	70%	extreme
May Weather	25°C (77°F)	101 mm (4.0 inches)	68%	extreme
June Weather	27°C (80°F)	192 mm (7.6 inches)	75%	extreme
July Weather	27°C (81°F)	225 mm (8.9 inches)	79%	extreme
August Weather	28°C (82°F)	195 mm (7.7 inches)	81%	extreme
September Weather	27°C (81°F)	157 mm (6.2 inches)	83%	extreme
October Weather	25°C (77°F)	95 mm (3.8 inches)	81%	very high
November Weather	19°C (67°F)	63 mm (2.5 inches)	82%	high
December Weather	17°C (62°F)	67 mm (2.7 inches)	84%	moderate