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December Weather in Falls City, United States

Last updated: June 24, 2025

The average temperature in Falls City, United States during December hovers around 2°C (36°F), with a minimum dipping as low as -21°C (-5°F) and a maximum reaching up to 23°C (73°F). Expect a rainfall of approximately 32 mm (1.2 in) spread over 3 days, and prepare for a notably high average humidity of 84%.

December Temperature in Falls City

In December in Falls City, the average temperature is 2°C (36°F). The maximum temperature can reach 23°C (73°F), while the minimum can drop as low as -21°C (-5°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

December Weather in Falls City: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Falls City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Falls City, December typically has an average temperature of 2°C (36°F), with highs reaching up to 23°C (73°F) and lows dropping to around -21°C (-5°F).
JanFebMarAprMayJunJulAugSepOctNovDec283045536577797671554335
Data source: Temperature data for Falls City 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 Falls City

In Falls City in December, the precipitation amount is 32 mm (1.2 in) over the course of 3 days.

December Precipitation Trends in Falls City

The chart displays monthly precipitation patterns in Falls City, 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 Falls City, December typically receives around 32 mm (1.2 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec39319382170125111115731193832
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Falls City

In Falls City in December, humidity is 84%. With an average temperature of 2°C (36°F), this humidity feels like a cold, damp blanket wrapping around you, making outdoor activities less inviting and requiring extra layers to stay comfortable while traveling.

December Average Humidity in Falls City

This chart illustrates the average monthly humidity levels in Falls City, 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 Falls City is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%78%70%73%82%82%81%78%71%71%81%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Falls City

In Falls City 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 Falls City, you can check the information here.

Maximum UV Index Levels in Falls City for December

The chart shows the monthly maximum UV Index (UVI) for Falls City 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 Falls City typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111199643
Data source: Falls City 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 Falls City Compares to Other Months

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

This table compares monthly weather conditions in Falls City, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)39 mm (1.5 inches)76%moderate
February Weather-1°C (30°F)31 mm (1.2 inches)77%moderate
March Weather7°C (45°F)93 mm (3.6 inches)70%high
April Weather12°C (53°F)82 mm (3.2 inches)73%very high
May Weather18°C (65°F)170 mm (6.7 inches)82%very high
June Weather25°C (77°F)125 mm (4.9 inches)82%extreme
July Weather26°C (80°F)111 mm (4.4 inches)81%extreme
August Weather24°C (76°F)115 mm (4.5 inches)78%very high
September Weather22°C (72°F)73 mm (2.9 inches)71%very high
October Weather13°C (56°F)119 mm (4.7 inches)71%high
November Weather6°C (43°F)38 mm (1.5 inches)81%moderate
December Weather2°C (36°F)32 mm (1.2 inches)84%moderate

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