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December Weather in Tranquillity, United States

Last updated: June 24, 2025

In December, the average temperature in Tranquillity, United States hovers around 10°C (51°F). While you might experience a chilly minimum of -2°C (28°F), temperatures can also rise to a pleasant 24°C (75°F). Be prepared for some rain, as average precipitation reaches 53 mm (2.1 in) over 7 days. With an average humidity of 80%, you'll definitely want to dress accordingly!

December Temperature in Tranquillity

In December in Tranquillity, the average temperature is 10°C (51°F). The maximum can reach 24°C (75°F), while the minimum can drop as low as -2°C (28°F). Be prepared for a range of temperatures to ensure a comfortable and enjoyable travel experience.

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

The chart illustrates December temperature patterns in Tranquillity, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tranquillity, December typically has an average temperature of 10°C (51°F), with highs reaching up to 24°C (75°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec515458667382878579685750
Data source: Temperature data for Tranquillity 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 Tranquillity

In Tranquillity in December, the total precipitation amount is 53 mm (2.1 in) spread over a period of 7 days.

December Precipitation Trends in Tranquillity

The chart displays monthly precipitation patterns in Tranquillity, 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 Tranquillity, December typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec69496624181000102553
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tranquillity

In Tranquillity in December, humidity is 80%. With an average temperature of 10°C (51°F), this humidity feels like a damp layer clinging to the skin, making outdoor activities uncomfortable and requiring travelers to dress in layers to cope with the chill and moisture in the air.

December Average Humidity in Tranquillity

This chart illustrates the average monthly humidity levels in Tranquillity, 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 Tranquillity is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%82%78%71%64%59%54%55%62%78%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Tranquillity

In Tranquillity 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 Tranquillity, you can check the information here.

Maximum UV Index Levels in Tranquillity for December

The chart shows the monthly maximum UV Index (UVI) for Tranquillity 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 Tranquillity typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4589101211109753
Data source: Tranquillity 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 Tranquillity Compares to Other Months

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

This table compares monthly weather conditions in Tranquillity, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (51°F)69 mm (2.7 inches)82%moderate
February Weather12°C (54°F)49 mm (1.9 inches)84%moderate
March Weather15°C (59°F)66 mm (2.6 inches)82%very high
April Weather19°C (66°F)24 mm (1.0 inches)78%very high
May Weather23°C (73°F)18 mm (0.7 inches)71%very high
June Weather28°C (82°F)1 mm (0.0 inches)64%extreme
July Weather31°C (87°F)0 mm (0.0 inches)58%extreme
August Weather30°C (86°F)0 mm (0.0 inches)54%very high
September Weather26°C (79°F)0 mm (0.0 inches)55%very high
October Weather20°C (68°F)10 mm (0.4 inches)62%high
November Weather14°C (58°F)25 mm (1.0 inches)78%moderate
December Weather10°C (51°F)53 mm (2.1 inches)80%moderate

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