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December Weather in Shannon Hills, United States

Last updated: June 24, 2025

In Shannon Hills, United States, the average temperature in December hovers around 9°C (48°F), with a surprising range that can dip to a chilly -8°C (19°F) or soar to a warm 26°C (80°F). Expect 144 mm (5.7 in) of precipitation spread across approximately 10 days, contributing to an average humidity level of 87% that adds to the overall atmosphere.

December Temperature in Shannon Hills

In December in Shannon Hills, the average temperature is 9°C (48°F), with maximums reaching 26°C (80°F) and minimums dropping as low as -8°C (19°F). Travelers should prepare for a wide range of temperatures and pack accordingly for both warm days and chilly nights.

December Weather in Shannon Hills: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Shannon Hills, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shannon Hills, December typically has an average temperature of 9°C (48°F), with highs reaching up to 26°C (80°F) and lows dropping to around -8°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec434656617279828076655248
Data source: Temperature data for Shannon Hills 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 Shannon Hills

In Shannon Hills in December, the precipitation amount is 144 mm (5.7 in) over a duration of 10 days.

December Precipitation Trends in Shannon Hills

The chart displays monthly precipitation patterns in Shannon Hills, 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 Shannon Hills, December typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec9014615015915710498115999876144
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Shannon Hills

In Shannon Hills in December humidity is 87%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and requiring extra layers and careful planning for any activities.

December Average Humidity in Shannon Hills

This chart illustrates the average monthly humidity levels in Shannon Hills, 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 Shannon Hills is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%77%78%82%81%75%61%59%69%82%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Shannon Hills

In Shannon Hills 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 Shannon Hills for better planning.

Maximum UV Index Levels in Shannon Hills for December

The chart shows the monthly maximum UV Index (UVI) for Shannon Hills 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 Shannon Hills typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109754
Data source: Shannon Hills 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 Shannon Hills Compares to Other Months

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

This table compares monthly weather conditions in Shannon Hills, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)90 mm (3.6 inches)82%moderate
February Weather8°C (46°F)146 mm (5.7 inches)79%high
March Weather14°C (57°F)150 mm (5.9 inches)77%very high
April Weather16°C (62°F)159 mm (6.3 inches)78%very high
May Weather22°C (72°F)157 mm (6.2 inches)82%extreme
June Weather26°C (79°F)104 mm (4.1 inches)81%extreme
July Weather28°C (82°F)98 mm (3.9 inches)75%extreme
August Weather27°C (81°F)115 mm (4.5 inches)61%very high
September Weather25°C (77°F)99 mm (3.9 inches)59%very high
October Weather18°C (65°F)98 mm (3.8 inches)69%high
November Weather11°C (52°F)76 mm (3.0 inches)82%moderate
December Weather9°C (48°F)144 mm (5.7 inches)87%moderate

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