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December Weather in Vineyard, United States

Last updated: June 24, 2025

In Vineyard, United States, the average temperature in December hovers around -3°C (26°F). Expect frosty days, with minimums plummeting to -19°C (-2°F) and peaks reaching a crisp 13°C (56°F). The month brings about 50 mm (2.0 in) of precipitation across roughly 10 days, all under an enveloping humidity of 88%.

December Temperature in Vineyard

In December in Vineyard, the average temperature is -3°C (26°F). The maximum can reach 13°C (56°F), and the minimum can be as low as -19°C (-2°F). Be prepared for winter weather and pack warm layers if you're planning to visit during this time.

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

The chart illustrates December temperature patterns in Vineyard, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vineyard, December typically has an average temperature of -3°C (26°F), with highs reaching up to 13°C (56°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec252937455670787565483826
Data source: Temperature data for Vineyard 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 Vineyard

In Vineyard in December, the precipitation amount is 50 mm (2.0 in) over a span of 10 days.

December Precipitation Trends in Vineyard

The chart displays monthly precipitation patterns in Vineyard, 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 Vineyard, December typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec57605749411091323343350
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Vineyard

In Vineyard in December humidity is 88%. With an average temperature of -3°C (26°F), this humidity feels like an icy dampness that clings to your skin, making every breath feel colder and more challenging, which can make traveling in these conditions quite uncomfortable.

December Average Humidity in Vineyard

This chart illustrates the average monthly humidity levels in Vineyard, 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 Vineyard is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%92%84%75%62%56%44%37%46%67%84%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Vineyard

In Vineyard 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 Vineyard, you can check the information here.

Maximum UV Index Levels in Vineyard for December

The chart shows the monthly maximum UV Index (UVI) for Vineyard 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 Vineyard typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46911111212119753
Data source: Vineyard 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 Vineyard Compares to Other Months

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

This table compares monthly weather conditions in Vineyard, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)57 mm (2.2 inches)91%moderate
February Weather-2°C (29°F)60 mm (2.4 inches)92%high
March Weather3°C (37°F)57 mm (2.2 inches)84%very high
April Weather7°C (45°F)49 mm (1.9 inches)74%extreme
May Weather13°C (56°F)41 mm (1.6 inches)62%extreme
June Weather21°C (70°F)10 mm (0.4 inches)56%extreme
July Weather25°C (78°F)9 mm (0.4 inches)44%extreme
August Weather24°C (76°F)12 mm (0.5 inches)37%extreme
September Weather19°C (66°F)23 mm (0.9 inches)46%very high
October Weather9°C (48°F)34 mm (1.4 inches)67%high
November Weather3°C (38°F)33 mm (1.3 inches)84%moderate
December Weather-3°C (26°F)50 mm (2.0 inches)88%moderate

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