December Weather in Opp, United States

Last updated: June 24, 2025

In December, the average temperature in Opp, United States hovers around 12°C (54°F), creating a mild climate for the season. Expect minimum temperatures to dip as low as -5°C (24°F), while maximums can reach a warm 28°C (82°F). With an average precipitation of 135 mm (5.3 in) over 12 days, it's wise to keep an umbrella handy! The air also boasts an average humidity of 86%, enhancing the overall atmospheric feel.

December Temperature in Opp

In December in Opp, the average temperature is 12°C (54°F), with maximums reaching up to 28°C (82°F) and minimums dropping as low as -5°C (24°F). It's advisable to pack layers to accommodate the varying temperatures while exploring this destination.

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

The chart illustrates December temperature patterns in Opp, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Opp, December typically has an average temperature of 12°C (54°F), with highs reaching up to 28°C (82°F) and lows dropping to around -5°C (24°F).

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

December Precipitation in Opp

In Opp in December, the precipitation amount is 135 mm (5.3 in), occurring over the course of 12 days.

December Precipitation Trends in Opp

The chart displays monthly precipitation patterns in Opp, 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 Opp, December typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 12 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 Opp

In Opp in December, humidity is 86%. With an average temperature of 12°C (54°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities uncomfortable and travel challenging due to the heavy, muggy atmosphere.

December Average Humidity in Opp

This chart illustrates the average monthly humidity levels in Opp, 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 Opp is approximately 86%, 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 Opp

In Opp in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Opp for better planning.

Maximum UV Index Levels in Opp for December

The chart shows the monthly maximum UV Index (UVI) for Opp 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 Opp typically reaches 4, which falls under the moderate exposure category.

Data source: Opp 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 Opp Compares to Other Months

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

This table compares monthly weather conditions in Opp, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (51°F)	100 mm (3.9 inches)	83%	moderate
February Weather	14°C (58°F)	126 mm (5.0 inches)	82%	very high
March Weather	16°C (62°F)	86 mm (3.4 inches)	79%	very high
April Weather	19°C (66°F)	121 mm (4.7 inches)	77%	extreme
May Weather	23°C (75°F)	119 mm (4.7 inches)	74%	extreme
June Weather	26°C (79°F)	143 mm (5.6 inches)	70%	extreme
July Weather	27°C (81°F)	130 mm (5.1 inches)	78%	extreme
August Weather	27°C (81°F)	139 mm (5.5 inches)	78%	extreme
September Weather	26°C (78°F)	111 mm (4.4 inches)	79%	very high
October Weather	22°C (71°F)	102 mm (4.0 inches)	74%	very high
November Weather	14°C (58°F)	53 mm (2.1 inches)	83%	high
December Weather	12°C (54°F)	135 mm (5.3 inches)	86%	moderate