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December Weather in Vineyards, United States

Last updated: June 24, 2025

In December, the average temperature in Vineyards, United States hovers around 20°C (69°F), providing a comfortable climate. Expect minimums dipping to 8°C (46°F) and maximums reaching up to 28°C (83°F). During this time, the region experiences approximately 43 mm (1.7 in) of precipitation spread over 5 days, accompanied by an average humidity level of 84%. Whether you're exploring the sights or relaxing outdoors, Vineyards in December offers a delightful atmosphere!

December Temperature in Vineyards

In December in Vineyards, the average temperature is 20°C (69°F). Maximum temperatures can reach 28°C (83°F), and the minimum can drop to as low as 8°C (46°F). This mild weather makes Vineyards an ideal destination for outdoor activities and exploration during this time of year.

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

The chart illustrates December temperature patterns in Vineyards, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vineyards, December typically has an average temperature of 20°C (69°F), with highs reaching up to 28°C (83°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec667071767981828282807369
Data source: Temperature data for Vineyards 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 Vineyards

In Vineyards in December, the precipitation amount is 43 mm (1.7 in) over the course of 5 days.

December Precipitation Trends in Vineyards

The chart displays monthly precipitation patterns in Vineyards, 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 Vineyards, December typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec32342543135191209221181895043
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Vineyards

In Vineyards in December humidity is 84%. With an average temperature of 20°C (69°F), this humidity feels like walking through a warm, moist blanket, making travel feel heavy and slightly fatigued as the heat clings to your skin and leaves you yearning for a refreshing breeze.

December Average Humidity in Vineyards

This chart illustrates the average monthly humidity levels in Vineyards, 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 Vineyards is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%80%75%68%65%73%77%80%83%83%83%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Vineyards

In Vineyards in December, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Vineyards, you can refer to this Hourly UV Index in Vineyards.

Maximum UV Index Levels in Vineyards for December

The chart shows the monthly maximum UV Index (UVI) for Vineyards 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 Vineyards typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec69101212121212111076
Data source: Vineyards 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 Vineyards Compares to Other Months

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

This table compares monthly weather conditions in Vineyards, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (66°F)32 mm (1.3 inches)83%high
February Weather21°C (70°F)34 mm (1.3 inches)80%very high
March Weather22°C (71°F)25 mm (1.0 inches)75%very high
April Weather24°C (76°F)43 mm (1.7 inches)68%extreme
May Weather26°C (79°F)135 mm (5.3 inches)65%extreme
June Weather27°C (82°F)191 mm (7.5 inches)73%extreme
July Weather28°C (82°F)209 mm (8.2 inches)77%extreme
August Weather28°C (83°F)221 mm (8.7 inches)80%extreme
September Weather28°C (82°F)181 mm (7.1 inches)83%extreme
October Weather26°C (80°F)89 mm (3.5 inches)83%very high
November Weather23°C (73°F)50 mm (2.0 inches)83%high
December Weather20°C (69°F)43 mm (1.7 inches)84%high

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