December Weather in Bellville, United States

Last updated: June 24, 2025

In Bellville, United States, the average temperature in December hovers around 14°C (57°F). While you can expect a chilly minimum of -3°C (27°F), the mercury might rise to a warm 29°C (85°F) on select days. With 101 mm (4.0 in) of precipitation spread over 9 days, stay prepared for wet weather. Plus, the average humidity is around 84%, making for a rather damp atmosphere.

December Temperature in Bellville

In December in Bellville, the average temperature is 14°C (57°F). The maximum can reach 29°C (85°F), and the minimum can be as low as -3°C (27°F). This variation makes it essential for travelers to prepare for a diverse range of weather conditions.

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

The chart illustrates December temperature patterns in Bellville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bellville, December typically has an average temperature of 14°C (57°F), with highs reaching up to 29°C (85°F) and lows dropping to around -3°C (27°F).

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

December Precipitation in Bellville

In Bellville in December, the total precipitation amount is 101 mm (4.0 in), occurring over a span of 9 days.

December Precipitation Trends in Bellville

The chart displays monthly precipitation patterns in Bellville, 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 Bellville, December typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 9 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 Bellville

In Bellville in December, humidity is 84%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities feel stifling and requiring frequent breaks to cool off.

December Average Humidity in Bellville

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

In Bellville 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 Bellville.

Maximum UV Index Levels in Bellville for December

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

Data source: Bellville 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 Bellville Compares to Other Months

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

This table compares monthly weather conditions in Bellville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	74 mm (2.9 inches)	78%	moderate
February Weather	13°C (56°F)	87 mm (3.4 inches)	81%	very high
March Weather	18°C (65°F)	67 mm (2.7 inches)	76%	very high
April Weather	21°C (70°F)	83 mm (3.3 inches)	79%	very high
May Weather	25°C (78°F)	176 mm (6.9 inches)	79%	extreme
June Weather	28°C (82°F)	135 mm (5.3 inches)	74%	extreme
July Weather	29°C (85°F)	101 mm (4.0 inches)	71%	extreme
August Weather	30°C (85°F)	145 mm (5.7 inches)	68%	extreme
September Weather	27°C (81°F)	126 mm (5.0 inches)	73%	extreme
October Weather	22°C (72°F)	92 mm (3.6 inches)	75%	very high
November Weather	16°C (62°F)	75 mm (3.0 inches)	78%	high
December Weather	14°C (57°F)	101 mm (4.0 inches)	84%	moderate