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December Weather in Rainbow City, United States

Last updated: June 24, 2025

In December, the average temperature in Rainbow City, United States hovers around 4°C (39°F). Expect temperatures to range from a frigid -15°C (5°F) at the lowest to a pleasant 20°C (67°F) at the highest. During this period, the area receives an average precipitation of 49 mm (1.9 in) over 7 days, accompanied by a high humidity level of 82%.

December Temperature in Rainbow City

In December in Rainbow City, the average temperature is 4°C (39°F), with maximums reaching 20°C (67°F) and minimums dropping as low as -15°C (5°F). Travelers should be prepared for a wide range of temperatures and dress in layers to stay comfortable throughout the day.

December Weather in Rainbow City: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Rainbow City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rainbow City, December typically has an average temperature of 4°C (39°F), with highs reaching up to 20°C (67°F) and lows dropping to around -15°C (5°F).
JanFebMarAprMayJunJulAugSepOctNovDec373945556273737268574839
Data source: Temperature data for Rainbow City generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Rainbow City

In Rainbow City in December, the precipitation amount is 49 mm (1.9 in) over the course of 7 days.

December Precipitation Trends in Rainbow City

The chart displays monthly precipitation patterns in Rainbow City, 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 Rainbow City, December typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec586455111571265341362649
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rainbow City

In Rainbow City in December, humidity is 82%. With an average temperature of 4°C (39°F), this humidity feels like a chill that seeps into your bones, making it uncomfortable for traveling as you find yourself bundled up, yet still damp and cold.

December Average Humidity in Rainbow City

This chart illustrates the average monthly humidity levels in Rainbow City, 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 Rainbow City is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%79%67%55%40%33%34%48%64%67%77%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rainbow City

In Rainbow City 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 Rainbow City.

Maximum UV Index Levels in Rainbow City for December

The chart shows the monthly maximum UV Index (UVI) for Rainbow City 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 Rainbow City typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710111213121211865
Data source: Rainbow City 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 Rainbow City Compares to Other Months

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

This table compares monthly weather conditions in Rainbow City, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)58 mm (2.3 inches)76%moderate
February Weather4°C (39°F)64 mm (2.5 inches)79%high
March Weather7°C (46°F)55 mm (2.2 inches)67%very high
April Weather13°C (55°F)11 mm (0.4 inches)55%extreme
May Weather17°C (62°F)15 mm (0.6 inches)40%extreme
June Weather23°C (74°F)7 mm (0.3 inches)33%extreme
July Weather23°C (73°F)126 mm (5.0 inches)34%extreme
August Weather22°C (72°F)53 mm (2.1 inches)48%extreme
September Weather20°C (68°F)41 mm (1.6 inches)64%extreme
October Weather14°C (58°F)36 mm (1.4 inches)67%very high
November Weather9°C (49°F)26 mm (1.0 inches)77%high
December Weather4°C (39°F)49 mm (1.9 inches)82%moderate

Compare Rainbow City's Climate with Cities Worldwide