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December Weather in Henderson, Argentina

Last updated: August 22, 2025

In Henderson, Argentina, the average temperature in December hovers around 22°C (72°F), making it quite pleasant. However, be prepared for a bit of variability, as temperatures can dip to a chilly 5°C (42°F) or soar to a sizzling 38°C (101°F). With an average precipitation of 72 mm (2.8 in) spread over 9 days, a light raincoat might come in handy. The average humidity sits at a comfortable 48%, adding to the overall enjoyable atmosphere.

December Temperature in Henderson

In December in Henderson, the average temperature is 22°C (72°F). The maximum can reach 38°C (101°F), while the minimum can be as low as 5°C (42°F). This makes Henderson a destination with diverse weather, ideal for travelers seeking both warm and cooler experiences.

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 22°C (72°F), with highs reaching up to 38°C (101°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec747167625448475055606672
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 72 mm (2.8 in) over the course of 9 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 72 mm (2.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec66849610542392332767910172
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 48%. With an average temperature of 22°C (72°F), this humidity feels like a pleasant embrace, making it comfortable for traveling and exploring the sights without feeling overly muggy or sticky.

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 48%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec49%58%65%77%79%76%67%61%67%59%55%48%
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 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Henderson, you can check 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 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141210753457101314
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 Weather23°C (74°F)66 mm (2.6 inches)49%extreme
February Weather22°C (72°F)84 mm (3.3 inches)58%extreme
March Weather20°C (67°F)96 mm (3.8 inches)65%very high
April Weather17°C (62°F)105 mm (4.1 inches)77%high
May Weather12°C (54°F)42 mm (1.6 inches)79%moderate
June Weather9°C (49°F)39 mm (1.5 inches)76%moderate
July Weather8°C (47°F)23 mm (0.9 inches)67%moderate
August Weather10°C (51°F)32 mm (1.3 inches)61%moderate
September Weather13°C (55°F)76 mm (3.0 inches)67%high
October Weather16°C (60°F)79 mm (3.1 inches)59%very high
November Weather19°C (67°F)101 mm (4.0 inches)55%extreme
December Weather22°C (72°F)72 mm (2.8 inches)48%extreme

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