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December Weather in Tunnel Hill, United States

Last updated: June 24, 2025

In December, the average temperature in Tunnel Hill, United States hovers around 8°C (47°F), with a range that can dip as low as -7°C (19°F) and soar up to 23°C (74°F). Expect 144 mm (5.7 in) of precipitation over approximately 11 days, accompanied by an average humidity level of 88%.

December Temperature in Tunnel Hill

In December in Tunnel Hill, the average temperature is 8°C (47°F). The maximum can reach 23°C (74°F), and the minimum can be as low as -7°C (19°F). Be prepared for a wide range of temperatures, making it essential to pack both warm and light clothing for your trip.

December Weather in Tunnel Hill: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Tunnel Hill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tunnel Hill, December typically has an average temperature of 8°C (47°F), with highs reaching up to 23°C (74°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec444955617176797875655147
Data source: Temperature data for Tunnel Hill 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 Tunnel Hill

In Tunnel Hill in December, the precipitation amount is 144 mm (5.7 in) during 11 days, indicating a relatively wet period for the region.

December Precipitation Trends in Tunnel Hill

The chart displays monthly precipitation patterns in Tunnel Hill, 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 Tunnel Hill, December typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec10918616115010211611014210612882144
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tunnel Hill

In Tunnel Hill in December, humidity is 88%. With an average temperature of 8°C (47°F), this humidity feels like a thick, damp blanket wrapping around you, making even short walks feel heavy and uninviting for travel.

December Average Humidity in Tunnel Hill

This chart illustrates the average monthly humidity levels in Tunnel Hill, 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 Tunnel Hill is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Tunnel Hill

In Tunnel Hill 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 Tunnel Hill for better planning.

Maximum UV Index Levels in Tunnel Hill for December

The chart shows the monthly maximum UV Index (UVI) for Tunnel Hill 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 Tunnel Hill typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109764
Data source: Tunnel Hill 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 Tunnel Hill Compares to Other Months

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

This table compares monthly weather conditions in Tunnel Hill, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)109 mm (4.3 inches)87%moderate
February Weather9°C (49°F)186 mm (7.3 inches)87%high
March Weather13°C (55°F)161 mm (6.3 inches)85%very high
April Weather16°C (61°F)150 mm (5.9 inches)82%very high
May Weather22°C (71°F)102 mm (4.0 inches)83%extreme
June Weather24°C (76°F)116 mm (4.5 inches)82%extreme
July Weather26°C (80°F)110 mm (4.3 inches)78%extreme
August Weather26°C (78°F)142 mm (5.6 inches)67%very high
September Weather24°C (75°F)106 mm (4.2 inches)64%very high
October Weather18°C (65°F)128 mm (5.0 inches)74%high
November Weather10°C (51°F)82 mm (3.2 inches)87%high
December Weather8°C (47°F)144 mm (5.7 inches)88%moderate

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