December Weather in Big River, United States

Last updated: June 24, 2025

In December, the average temperature in Big River, United States hovers around 12°C (54°F). Expect temperatures to range from a chilly 0°C (32°F) to a pleasant 27°C (81°F). With precipitation measuring approximately 11 mm (0.4 in) over 2 days, you might want to carry an umbrella. Additionally, the average humidity stands at a high 77%, making the air feel a bit more saturated.

December Temperature in Big River

In December in Big River, the average temperature is 12°C (54°F). Maximums can reach 27°C (81°F), while minimums can drop as low as 0°C (32°F). This variability makes Big River an ideal destination for travelers seeking a mix of mild and warmer weather, perfect for outdoor activities and exploration.

December Weather in Big River: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Big River, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Big River, December typically has an average temperature of 12°C (54°F), with highs reaching up to 27°C (81°F) and lows dropping to around 0°C (32°F).

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

December Precipitation in Big River

In Big River in December, the precipitation amount is 11 mm (0.4 in) over the course of 2 days.

December Precipitation Trends in Big River

The chart displays monthly precipitation patterns in Big River, 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 Big River, December typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 2 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Big River

In Big River in December, humidity is 77%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill that wraps around you, making your travels a little more uncomfortable and requiring you to dress in layers to stay warm and dry.

December Average Humidity in Big River

This chart illustrates the average monthly humidity levels in Big River, 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 Big River is approximately 77%, 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 Big River

In Big River 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 Big River for better planning.

Maximum UV Index Levels in Big River for December

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

Data source: Big River 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 Big River Compares to Other Months

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

This table compares monthly weather conditions in Big River, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (55°F)	16 mm (0.6 inches)	77%	moderate
February Weather	15°C (59°F)	16 mm (0.6 inches)	80%	high
March Weather	19°C (66°F)	20 mm (0.8 inches)	68%	very high
April Weather	24°C (76°F)	2 mm (0.1 inches)	58%	very high
May Weather	28°C (82°F)	1 mm (0.1 inches)	45%	extreme
June Weather	34°C (93°F)	1 mm (0.0 inches)	31%	extreme
July Weather	37°C (98°F)	10 mm (0.4 inches)	27%	extreme
August Weather	36°C (98°F)	8 mm (0.3 inches)	30%	extreme
September Weather	32°C (90°F)	8 mm (0.3 inches)	48%	very high
October Weather	24°C (75°F)	11 mm (0.4 inches)	59%	high
November Weather	18°C (64°F)	18 mm (0.7 inches)	70%	moderate
December Weather	12°C (54°F)	11 mm (0.4 inches)	77%	moderate