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December Weather in Mammoth Spring, United States

Last updated: June 24, 2025

In December, the average temperature in Mammoth Spring, United States hovers around 6°C (43°F), presenting a cool climate for visitors. Temperatures can vary significantly, with a minimum of -11°C (12°F) and a maximum reach of 25°C (77°F). Alongside this temperature range, expect 86 mm (3.4 in) of precipitation spread across 8 days, contributing to an average humidity level of 86%. Plan accordingly to fully enjoy your time in this charming destination!

December Temperature in Mammoth Spring

In December in Mammoth Spring, the average temperature is 6°C (43°F), with maximums reaching 25°C (77°F) and minimums dropping as low as -11°C (12°F). This wide range of temperatures makes it essential for travelers to pack layers to accommodate both warm afternoons and chilly evenings.

December Weather in Mammoth Spring: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Mammoth Spring, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mammoth Spring, December typically has an average temperature of 6°C (43°F), with highs reaching up to 25°C (77°F) and lows dropping to around -11°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec374151576876817874614743
Data source: Temperature data for Mammoth Spring 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 Mammoth Spring

In Mammoth Spring in December, the precipitation amount reaches 86 mm (3.4 in) over the course of 8 days.

December Precipitation Trends in Mammoth Spring

The chart displays monthly precipitation patterns in Mammoth Spring, 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 Mammoth Spring, December typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec871131451711788479105701168086
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mammoth Spring

In Mammoth Spring in December humidity is 86%. With an average temperature of 6°C (43°F), this humidity feels like a chilling blanket enveloping you, making outdoor exploration feel damp and uncomfortable.

December Average Humidity in Mammoth Spring

This chart illustrates the average monthly humidity levels in Mammoth Spring, 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 Mammoth Spring is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%80%80%83%83%76%69%68%72%83%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mammoth Spring

In Mammoth Spring in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Mammoth Spring, you can check the information here.

Maximum UV Index Levels in Mammoth Spring for December

The chart shows the monthly maximum UV Index (UVI) for Mammoth Spring 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 Mammoth Spring typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36810101111109753
Data source: Mammoth Spring 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 Mammoth Spring Compares to Other Months

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

This table compares monthly weather conditions in Mammoth Spring, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)87 mm (3.4 inches)83%moderate
February Weather5°C (41°F)113 mm (4.4 inches)81%high
March Weather10°C (51°F)145 mm (5.7 inches)80%very high
April Weather14°C (57°F)171 mm (6.7 inches)80%very high
May Weather20°C (68°F)178 mm (7.0 inches)83%very high
June Weather25°C (76°F)84 mm (3.3 inches)83%extreme
July Weather27°C (81°F)79 mm (3.1 inches)76%extreme
August Weather25°C (78°F)105 mm (4.1 inches)69%very high
September Weather23°C (74°F)70 mm (2.8 inches)68%very high
October Weather16°C (61°F)116 mm (4.6 inches)72%high
November Weather8°C (48°F)80 mm (3.1 inches)83%moderate
December Weather6°C (43°F)86 mm (3.4 inches)86%moderate

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