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December Weather in Horntown, United States

Last updated: June 24, 2025

In Horntown, United States, the average temperature in December hovers around 7°C (45°F). Expect a minimum of -8°C (18°F) and a maximum of 20°C (69°F). During the month, precipitation reaches 102 mm (4.0 in) over approximately 10 days, while the average humidity remains high at 84%. Stay prepared for a chilly and damp atmosphere!

December Temperature in Horntown

In December in Horntown, the average temperature is 7°C (45°F). The maximum can reach 20°C (69°F), and the minimum can be as low as -8°C (18°F). Travelers should be prepared for a range of temperatures, from cool days to chilly nights.

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

The chart illustrates December temperature patterns in Horntown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Horntown, December typically has an average temperature of 7°C (45°F), with highs reaching up to 20°C (69°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec404347566574807873655145
Data source: Temperature data for Horntown 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 Horntown

In Horntown in December, the total precipitation amount is 102 mm (4.0 in) falling over the course of 10 days.

December Precipitation Trends in Horntown

The chart displays monthly precipitation patterns in Horntown, 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 Horntown, December typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec811049290989112111710112389102
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Horntown

In Horntown in December, humidity is 84%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm while exploring the sights.

December Average Humidity in Horntown

This chart illustrates the average monthly humidity levels in Horntown, 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 Horntown is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%82%81%80%82%81%81%78%80%84%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Horntown

In Horntown 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 Horntown, you can check the information here.

Maximum UV Index Levels in Horntown for December

The chart shows the monthly maximum UV Index (UVI) for Horntown 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 Horntown typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010108753
Data source: Horntown 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 Horntown Compares to Other Months

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

This table compares monthly weather conditions in Horntown, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)81 mm (3.2 inches)84%moderate
February Weather6°C (44°F)104 mm (4.1 inches)83%moderate
March Weather8°C (47°F)92 mm (3.6 inches)82%high
April Weather13°C (57°F)90 mm (3.5 inches)81%very high
May Weather18°C (65°F)97 mm (3.8 inches)80%very high
June Weather23°C (74°F)91 mm (3.6 inches)82%very high
July Weather27°C (80°F)121 mm (4.7 inches)81%very high
August Weather26°C (79°F)117 mm (4.6 inches)81%very high
September Weather23°C (74°F)101 mm (4.0 inches)78%very high
October Weather18°C (65°F)123 mm (4.9 inches)80%high
November Weather11°C (52°F)89 mm (3.5 inches)84%moderate
December Weather7°C (45°F)102 mm (4.0 inches)84%moderate

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