December Weather in Zwolle, United States

Last updated: June 24, 2025

In December, the average temperature in Zwolle, United States is a comfortable 12°C (54°F). Expect a low of 1°C (34°F) and a high of 26°C (79°F), making it a month of varied weather. With an average precipitation of 133 mm (5.3 in) over 9 days, it's wise to prepare for some rain. Additionally, the average humidity hovers around a muggy 88%, ensuring the air feels quite moist.

December Temperature in Zwolle

In December in Zwolle, the average temperature is 12°C (54°F). Maximum temperatures can reach 26°C (79°F), while minimums can drop as low as 1°C (34°F). Overall, it's advisable to pack layers for your trip to Zwolle during this month to stay comfortable throughout the day.

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

The chart illustrates December temperature patterns in Zwolle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Zwolle, December typically has an average temperature of 12°C (54°F), with highs reaching up to 26°C (79°F) and lows dropping to around 1°C (34°F).

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

December Precipitation in Zwolle

In Zwolle in December, the precipitation amount is 133 mm (5.3 in) spread over 9 days.

December Precipitation Trends in Zwolle

The chart displays monthly precipitation patterns in Zwolle, 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 Zwolle, December typically receives around 133 mm (5.3 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 Zwolle

In Zwolle in December, humidity is 88%. With an average temperature of 12°C (54°F), this humidity feels like a thick, damp blanket, making traveling a bit uncomfortable as the air clings to your skin, causing you to sweat even in cooler weather.

December Average Humidity in Zwolle

This chart illustrates the average monthly humidity levels in Zwolle, 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 Zwolle is approximately 88%, 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 Zwolle

In Zwolle 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 Zwolle for better planning.

Maximum UV Index Levels in Zwolle for December

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

Data source: Zwolle 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 Zwolle Compares to Other Months

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

This table compares monthly weather conditions in Zwolle, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	105 mm (4.1 inches)	81%	moderate
February Weather	12°C (53°F)	160 mm (6.3 inches)	81%	very high
March Weather	16°C (62°F)	132 mm (5.2 inches)	79%	very high
April Weather	19°C (66°F)	162 mm (6.4 inches)	80%	extreme
May Weather	24°C (75°F)	171 mm (6.7 inches)	81%	extreme
June Weather	27°C (81°F)	128 mm (5.0 inches)	76%	extreme
July Weather	28°C (83°F)	97 mm (3.8 inches)	73%	extreme
August Weather	28°C (83°F)	139 mm (5.5 inches)	71%	extreme
September Weather	26°C (79°F)	130 mm (5.1 inches)	72%	very high
October Weather	21°C (70°F)	110 mm (4.3 inches)	73%	very high
November Weather	14°C (58°F)	74 mm (2.9 inches)	83%	high
December Weather	12°C (54°F)	133 mm (5.3 inches)	88%	moderate