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December Weather in Louisa, United States

Last updated: June 24, 2025

In Louisa, United States, the average temperature in December hovers around 5°C (42°F). This month can bring a chill, with temperatures dipping as low as -12°C (10°F), while some days may even reach a pleasant 21°C (70°F). Expect about 123 mm (4.8 in) of precipitation spread across 11 days, contributing to the high average humidity of 88%. Embrace the cozy atmosphere as you navigate the seasonal quirks!

December Temperature in Louisa

In December in Louisa, the average temperature is 5°C (42°F), with maximums reaching 21°C (70°F) and minimums dropping as low as -12°C (10°F). Pack accordingly to experience a wide range of temperatures during your travels!

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

The chart illustrates December temperature patterns in Louisa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Louisa, December typically has an average temperature of 5°C (42°F), with highs reaching up to 21°C (70°F) and lows dropping to around -12°C (10°F).
JanFebMarAprMayJunJulAugSepOctNovDec374248566773777571614642
Data source: Temperature data for Louisa 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 Louisa

In Louisa in December, the precipitation amount is 123 mm (4.8 in) occurring over the course of 11 days.

December Precipitation Trends in Louisa

The chart displays monthly precipitation patterns in Louisa, 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 Louisa, December typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec10015211812713216011712010311674123
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Louisa

In Louisa in December humidity is 88%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less appealing and leading you to seek warmth indoors instead.

December Average Humidity in Louisa

This chart illustrates the average monthly humidity levels in Louisa, 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 Louisa is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%84%84%83%79%66%67%76%89%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Louisa

In Louisa 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 Louisa, you can check the information here.

Maximum UV Index Levels in Louisa for December

The chart shows the monthly maximum UV Index (UVI) for Louisa 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 Louisa typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010109753
Data source: Louisa 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 Louisa Compares to Other Months

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

This table compares monthly weather conditions in Louisa, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)100 mm (3.9 inches)88%moderate
February Weather6°C (42°F)152 mm (6.0 inches)88%moderate
March Weather9°C (49°F)118 mm (4.7 inches)87%high
April Weather14°C (57°F)127 mm (5.0 inches)84%very high
May Weather19°C (67°F)132 mm (5.2 inches)84%very high
June Weather23°C (73°F)160 mm (6.3 inches)83%very high
July Weather25°C (78°F)117 mm (4.6 inches)79%very high
August Weather24°C (75°F)120 mm (4.7 inches)66%very high
September Weather22°C (71°F)103 mm (4.1 inches)67%very high
October Weather16°C (61°F)116 mm (4.6 inches)76%high
November Weather8°C (46°F)74 mm (2.9 inches)89%moderate
December Weather5°C (42°F)123 mm (4.8 inches)88%moderate

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