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December Weather in Henderson, United States

Last updated: June 24, 2025

In Henderson, United States, the average temperature in December hovers around 8°C (46°F), with a minimum dipping as low as -10°C (14°F) and a maximum reaching up to 24°C (75°F). Expect 145 mm (5.7 in) of precipitation over approximately 10 days this month, accompanied by a high average humidity of 88%. Be prepared for some chilly and wet conditions!

December Temperature in Henderson

In December, in Henderson, the average temperature is 8°C (46°F). The maximum can reach 24°C (75°F), while the minimum can drop to as low as -10°C (14°F). Be prepared for varying temperatures if you're planning to travel during this time!

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

The chart illustrates December temperature patterns in Henderson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Henderson, December typically has an average temperature of 8°C (46°F), with highs reaching up to 24°C (75°F) and lows dropping to around -10°C (14°F).
JanFebMarAprMayJunJulAugSepOctNovDec414554607178817975645046
Data source: Temperature data for Henderson 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 Henderson

In Henderson in December, the precipitation amount is 145 mm (5.7 in) spread over a duration of 10 days.

December Precipitation Trends in Henderson

The chart displays monthly precipitation patterns in Henderson, 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 Henderson, December typically receives around 145 mm (5.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec10218016615311310713211011911882145
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Henderson

In Henderson in December, humidity is 88%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration feel much more uncomfortable than the temperature alone would suggest.

December Average Humidity in Henderson

This chart illustrates the average monthly humidity levels in Henderson, 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 Henderson is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%81%83%83%80%74%70%73%85%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Henderson

In Henderson 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 Henderson, you can check the information here.

Maximum UV Index Levels in Henderson for December

The chart shows the monthly maximum UV Index (UVI) for Henderson 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 Henderson typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710111111109753
Data source: Henderson 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 Henderson Compares to Other Months

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

This table compares monthly weather conditions in Henderson, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)102 mm (4.0 inches)86%moderate
February Weather7°C (46°F)180 mm (7.1 inches)85%high
March Weather12°C (54°F)166 mm (6.5 inches)84%high
April Weather16°C (60°F)153 mm (6.0 inches)81%very high
May Weather21°C (71°F)113 mm (4.4 inches)83%extreme
June Weather25°C (78°F)107 mm (4.2 inches)83%extreme
July Weather27°C (81°F)132 mm (5.2 inches)80%extreme
August Weather26°C (79°F)110 mm (4.3 inches)73%very high
September Weather24°C (75°F)119 mm (4.7 inches)70%very high
October Weather18°C (64°F)118 mm (4.6 inches)73%high
November Weather10°C (50°F)82 mm (3.2 inches)85%moderate
December Weather8°C (46°F)145 mm (5.7 inches)88%moderate

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