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December Weather in Arivaca, United States

Last updated: June 24, 2025

In December, the average temperature in Arivaca, United States sits comfortably at 11°C (52°F). Expect a range from a chilly -3°C (27°F) to a warm 25°C (78°F). During this month, you'll likely encounter about 21 mm (0.8 in) of precipitation, spread across 3 days, with an average humidity of a notable 81%. Perfect for those who appreciate mild weather and a touch of rain!

December Temperature in Arivaca

In December in Arivaca, the average temperature is 11°C (52°F). The maximum can reach 25°C (78°F), while the minimum can drop as low as -3°C (27°F). Be prepared for a variety of weather conditions while traveling, from warm sunny days to chilly nights.

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

The chart illustrates December temperature patterns in Arivaca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arivaca, December typically has an average temperature of 11°C (52°F), with highs reaching up to 25°C (78°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec515259677383838279706152
Data source: Temperature data for Arivaca 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 Arivaca

In Arivaca in December, the precipitation amount is 21 mm (0.8 in) over a period of 3 days.

December Precipitation Trends in Arivaca

The chart displays monthly precipitation patterns in Arivaca, 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 Arivaca, December typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec27311933774564291721
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Arivaca

In Arivaca in December humidity is 81%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make outdoor excursions quite uncomfortable, causing a muggy heaviness that dampens clothes and leaves travelers longing for dryer weather.

December Average Humidity in Arivaca

This chart illustrates the average monthly humidity levels in Arivaca, 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 Arivaca is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%71%60%43%32%28%38%60%72%66%74%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Arivaca

In Arivaca in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Arivaca.

Maximum UV Index Levels in Arivaca for December

The chart shows the monthly maximum UV Index (UVI) for Arivaca 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 Arivaca typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710121213121211965
Data source: Arivaca 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 Arivaca Compares to Other Months

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

This table compares monthly weather conditions in Arivaca, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (51°F)27 mm (1.1 inches)74%moderate
February Weather11°C (53°F)31 mm (1.2 inches)71%high
March Weather15°C (59°F)19 mm (0.8 inches)60%very high
April Weather20°C (68°F)3 mm (0.1 inches)43%extreme
May Weather23°C (73°F)3 mm (0.1 inches)32%extreme
June Weather29°C (84°F)7 mm (0.3 inches)28%extreme
July Weather28°C (83°F)74 mm (2.9 inches)38%extreme
August Weather28°C (82°F)56 mm (2.2 inches)60%extreme
September Weather26°C (79°F)42 mm (1.6 inches)72%extreme
October Weather21°C (70°F)9 mm (0.4 inches)66%very high
November Weather16°C (62°F)17 mm (0.7 inches)74%high
December Weather11°C (52°F)21 mm (0.8 inches)81%moderate

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