Last updated: June 24, 2025
In December, the average temperature in Vineyard, United States hovers around 9°C (48°F). Expect chilly nights with a minimum of -3°C (28°F), while daytime highs can reach up to 23°C (74°F). Throughout the month, anticipate a total precipitation of 116 mm (4.6 in) spread over approximately 10 days, with average humidity levels around 83%.
In December in Vineyard, the average temperature is 9°C (48°F). Maximums can reach 23°C (74°F), while minimums can be as low as -3°C (28°F). Be prepared for a range of temperatures to make the most of your travels in this season.
In Vineyard in December, the total precipitation amount is 116 mm (4.6 in) over a span of 10 days.
In Vineyard in December humidity is 83%. With an average temperature of 9°C (48°F), this humidity feels like an enveloping blanket, making outdoor activities quite uncomfortable and encouraging travelers to seek shelter or shade frequently.
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.
UV Risk Categories
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.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 9°C (49°F) | 128 mm (5.0 inches) | 84% | moderate |
February Weather | 11°C (52°F) | 118 mm (4.7 inches) | 84% | moderate |
March Weather | 13°C (55°F) | 119 mm (4.7 inches) | 83% | high |
April Weather | 16°C (62°F) | 54 mm (2.1 inches) | 81% | very high |
May Weather | 20°C (68°F) | 25 mm (1.0 inches) | 74% | very high |
June Weather | 24°C (75°F) | 5 mm (0.2 inches) | 64% | extreme |
July Weather | 25°C (77°F) | 0 mm (0.0 inches) | 44% | extreme |
August Weather | 25°C (77°F) | 0 mm (0.0 inches) | 36% | very high |
September Weather | 23°C (73°F) | 3 mm (0.1 inches) | 44% | very high |
October Weather | 18°C (65°F) | 41 mm (1.6 inches) | 65% | high |
November Weather | 13°C (55°F) | 66 mm (2.6 inches) | 84% | moderate |
December Weather | 9°C (48°F) | 116 mm (4.6 inches) | 83% | moderate |