December Weather in Annawan, United States

Last updated: June 24, 2025

In December, the average temperature in Annawan, United States hovers around 0°C (33°F). Be prepared for a range, where minimums can plunge to -21°C (-6°F) and maximums can reach a pleasant 21°C (70°F). Expect about 48 mm (1.9 in) of precipitation over 6 days, with an average humidity of 84% ensuring a crisp, refreshing atmosphere.

December Temperature in Annawan

In December in Annawan, the average temperature is 0°C (33°F). Maximum temperatures can reach 21°C (70°F), while minimums can drop as low as -21°C (-6°F). Be prepared for a wide range of temperatures, making it essential to pack for both warmth and comfort while traveling.

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

The chart illustrates December temperature patterns in Annawan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Annawan, December typically has an average temperature of 0°C (33°F), with highs reaching up to 21°C (70°F) and lows dropping to around -21°C (-6°F).

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

December Precipitation in Annawan

In Annawan in December, the precipitation amount is 48 mm (1.9 in) distributed over 6 days.

December Precipitation Trends in Annawan

The chart displays monthly precipitation patterns in Annawan, 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 Annawan, December typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 6 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 Annawan

In Annawan in December humidity is 84%. With average temperature 0°C (33°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures less enjoyable and travel plans challenging.

December Average Humidity in Annawan

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

In Annawan in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Annawan, you can visit Hourly UV Index in Annawan.

Maximum UV Index Levels in Annawan for December

The chart shows the monthly maximum UV Index (UVI) for Annawan 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 Annawan typically reaches 2, which falls under the low exposure category.

Data source: Annawan 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 Annawan Compares to Other Months

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

This table compares monthly weather conditions in Annawan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	56 mm (2.2 inches)	81%	moderate
February Weather	-3°C (27°F)	59 mm (2.3 inches)	81%	moderate
March Weather	5°C (40°F)	95 mm (3.7 inches)	81%	high
April Weather	10°C (50°F)	113 mm (4.5 inches)	82%	very high
May Weather	17°C (63°F)	151 mm (5.9 inches)	78%	very high
June Weather	23°C (73°F)	146 mm (5.7 inches)	81%	very high
July Weather	25°C (77°F)	88 mm (3.4 inches)	79%	very high
August Weather	23°C (74°F)	69 mm (2.7 inches)	77%	very high
September Weather	20°C (69°F)	111 mm (4.4 inches)	78%	very high
October Weather	12°C (55°F)	120 mm (4.7 inches)	78%	high
November Weather	4°C (39°F)	52 mm (2.0 inches)	87%	moderate
December Weather	0°C (33°F)	48 mm (1.9 inches)	84%	low