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December Weather in Savanna, United States

Last updated: June 24, 2025

In December, the average temperature in Savanna, United States hovers around 8°C (47°F). You'll experience a range from a chilly -7°C (19°F) to a warm 26°C (78°F). During this month, expect about 79 mm (3.1 in) of precipitation over 7 days, contributing to an average humidity of 87%.

December Temperature in Savanna

In December in Savanna, the average temperature is 8°C (47°F). The maximum can reach 26°C (78°F) and the minimum can be as low as -7°C (19°F). Be prepared for a wide range of temperatures and pack accordingly for your trip!

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

The chart illustrates December temperature patterns in Savanna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Savanna, December typically has an average temperature of 8°C (47°F), with highs reaching up to 26°C (78°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec424456617079828176635247
Data source: Temperature data for Savanna 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 Savanna

In Savanna in December, the total precipitation amount is 79 mm (3.1 in) distributed over a period of 7 days.

December Precipitation Trends in Savanna

The chart displays monthly precipitation patterns in Savanna, 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 Savanna, December typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec6810110412218985681001091475879
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Savanna

In Savanna in December, humidity is 87%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration uncomfortably muggy despite the cool air.

December Average Humidity in Savanna

This chart illustrates the average monthly humidity levels in Savanna, 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 Savanna is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%75%75%83%82%78%68%64%71%82%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Savanna

In Savanna 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 Savanna for better planning.

Maximum UV Index Levels in Savanna for December

The chart shows the monthly maximum UV Index (UVI) for Savanna 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 Savanna typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710101111109754
Data source: Savanna 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 Savanna Compares to Other Months

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

This table compares monthly weather conditions in Savanna, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)68 mm (2.7 inches)79%moderate
February Weather7°C (44°F)101 mm (4.0 inches)78%high
March Weather13°C (56°F)104 mm (4.1 inches)75%high
April Weather16°C (61°F)122 mm (4.8 inches)75%very high
May Weather21°C (71°F)189 mm (7.4 inches)83%very high
June Weather26°C (79°F)85 mm (3.4 inches)81%extreme
July Weather28°C (83°F)68 mm (2.7 inches)78%extreme
August Weather27°C (81°F)100 mm (3.9 inches)68%very high
September Weather25°C (77°F)109 mm (4.3 inches)64%very high
October Weather17°C (64°F)146 mm (5.8 inches)71%high
November Weather11°C (52°F)58 mm (2.3 inches)82%moderate
December Weather8°C (47°F)79 mm (3.1 inches)87%moderate

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