December Weather in Roper, United States

Last updated: June 24, 2025

In December, the average temperature in Roper, United States hovers around 9°C (49°F). Expect a minimum of -6°C (21°F) and a pleasant maximum of 24°C (75°F). During this month, precipitation totals about 104 mm (4.1 in) across 10 days, contributing to an average humidity level of 84%. 🌧️

December Temperature in Roper

In December in Roper, the average temperature is 9°C (49°F). Maximum temperatures can reach 24°C (75°F), while minimums can drop as low as -6°C (21°F). Be prepared for a wide range of temperatures when traveling, so pack accordingly!

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

The chart illustrates December temperature patterns in Roper, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roper, December typically has an average temperature of 9°C (49°F), with highs reaching up to 24°C (75°F) and lows dropping to around -6°C (21°F).

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

December Precipitation in Roper

In Roper in December, the precipitation amount is 104 mm (4.1 in) over a period of 10 days.

December Precipitation Trends in Roper

The chart displays monthly precipitation patterns in Roper, 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 Roper, December typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 10 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 Roper

In Roper in December, humidity is 84%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace, making travel uncomfortable as the dampness seeps into your clothes and lingers in the air, leaving you feeling cool yet clammy.

December Average Humidity in Roper

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

In Roper in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Roper, you can check the information here.

Maximum UV Index Levels in Roper for December

The chart shows the monthly maximum UV Index (UVI) for Roper 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 Roper typically reaches 3, which falls under the moderate exposure category.

Data source: Roper 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 Roper Compares to Other Months

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

This table compares monthly weather conditions in Roper, 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 (44°F)	88 mm (3.5 inches)	84%	moderate
February Weather	10°C (50°F)	93 mm (3.7 inches)	81%	high
March Weather	11°C (53°F)	67 mm (2.6 inches)	80%	very high
April Weather	17°C (62°F)	99 mm (3.9 inches)	80%	very high
May Weather	21°C (70°F)	125 mm (4.9 inches)	81%	extreme
June Weather	25°C (77°F)	159 mm (6.3 inches)	82%	very high
July Weather	27°C (80°F)	150 mm (5.9 inches)	83%	extreme
August Weather	26°C (79°F)	188 mm (7.4 inches)	82%	very high
September Weather	24°C (75°F)	128 mm (5.1 inches)	80%	very high
October Weather	19°C (67°F)	81 mm (3.2 inches)	79%	very high
November Weather	12°C (54°F)	91 mm (3.6 inches)	83%	moderate
December Weather	9°C (49°F)	104 mm (4.1 inches)	84%	moderate