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December Weather in Carpinteria, United States

Last updated: June 24, 2025

In December, the average temperature in Carpinteria, United States is a mild 11°C (52°F). Expect temperature variations with a minimum of 1°C (34°F) and a comfortable maximum of 25°C (77°F). You'll likely encounter 58 mm (2.3 in) of precipitation spread over 5 days, and with an average humidity of 76%, the air can feel quite humid.

December Temperature in Carpinteria

In December in Carpinteria, the average temperature is 11°C (52°F). Maximums can reach 25°C (77°F), and minimums can be as low as 1°C (34°F). This range makes it advisable for travelers to dress in layers to comfortably enjoy their time outdoors.

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

The chart illustrates December temperature patterns in Carpinteria, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carpinteria, December typically has an average temperature of 11°C (52°F), with highs reaching up to 25°C (77°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec525254606269737370645852
Data source: Temperature data for Carpinteria 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 Carpinteria

In Carpinteria in December, the precipitation amount is 58 mm (2.3 in) over the course of 5 days.

December Precipitation Trends in Carpinteria

The chart displays monthly precipitation patterns in Carpinteria, 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 Carpinteria, December typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec87758123163122102058
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Carpinteria

In Carpinteria in December, humidity is 76%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make outdoor exploration feel uncomfortable and heavy, often leaving travelers longing for a warm café to escape the cool, moist air.

December Average Humidity in Carpinteria

This chart illustrates the average monthly humidity levels in Carpinteria, 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 Carpinteria is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%82%76%68%58%52%46%39%48%59%72%76%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Carpinteria

In Carpinteria in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Carpinteria for better planning.

Maximum UV Index Levels in Carpinteria for December

The chart shows the monthly maximum UV Index (UVI) for Carpinteria 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 Carpinteria typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121110754
Data source: Carpinteria 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 Carpinteria Compares to Other Months

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

This table compares monthly weather conditions in Carpinteria, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)87 mm (3.4 inches)78%moderate
February Weather11°C (52°F)75 mm (3.0 inches)82%high
March Weather12°C (54°F)81 mm (3.2 inches)75%very high
April Weather15°C (60°F)23 mm (0.9 inches)68%very high
May Weather17°C (63°F)16 mm (0.6 inches)57%extreme
June Weather20°C (69°F)3 mm (0.1 inches)52%extreme
July Weather23°C (73°F)1 mm (0.1 inches)46%extreme
August Weather23°C (74°F)2 mm (0.1 inches)39%extreme
September Weather21°C (70°F)2 mm (0.1 inches)48%very high
October Weather18°C (65°F)10 mm (0.4 inches)59%high
November Weather15°C (58°F)20 mm (0.8 inches)72%moderate
December Weather11°C (52°F)58 mm (2.3 inches)76%moderate

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