nomadseason

December Weather in Patterson, United States

Last updated: June 24, 2025

In December, the average temperature in Patterson, United States hovers around 13°C (55°F). However, be prepared for a range of conditions; temperatures can dip as low as -5°C (23°F) or soar to a warm 28°C (83°F). Rain is also a possibility, with 120 mm (4.7 in) of precipitation expected over 9 days. With an average humidity of 85%, pack accordingly to stay comfortable during your visit!

December Temperature in Patterson

In December in Patterson, the average temperature is 13°C (55°F). Maximum temperatures can reach 28°C (83°F), while minimums can drop as low as -5°C (23°F). This makes Patterson a destination that offers a diverse range of weather conditions, perfect for travelers seeking both warmth and a touch of winter chill.

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

The chart illustrates December temperature patterns in Patterson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Patterson, December typically has an average temperature of 13°C (55°F), with highs reaching up to 28°C (83°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec535962687680828279725955
Data source: Temperature data for Patterson generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Patterson

In Patterson in December, the precipitation amount is 120 mm (4.7 in) over the course of 9 days.

December Precipitation Trends in Patterson

The chart displays monthly precipitation patterns in Patterson, 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 Patterson, December typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec62836772771161491241216953120
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Patterson

In Patterson in December, humidity is 85%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making even short walks feel exhausting and urging travelers to seek shade and refreshment frequently.

December Average Humidity in Patterson

This chart illustrates the average monthly humidity levels in Patterson, 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 Patterson is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%79%78%73%72%74%82%82%83%79%82%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Patterson

In Patterson 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 Patterson for better planning.

Maximum UV Index Levels in Patterson for December

The chart shows the monthly maximum UV Index (UVI) for Patterson 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 Patterson typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579101111111110864
Data source: Patterson 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 Patterson Compares to Other Months

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

This table compares monthly weather conditions in Patterson, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (53°F)62 mm (2.4 inches)84%moderate
February Weather15°C (59°F)83 mm (3.3 inches)79%high
March Weather17°C (63°F)67 mm (2.6 inches)78%very high
April Weather20°C (68°F)72 mm (2.8 inches)72%very high
May Weather24°C (76°F)77 mm (3.0 inches)72%extreme
June Weather26°C (80°F)116 mm (4.6 inches)74%extreme
July Weather28°C (82°F)149 mm (5.9 inches)82%extreme
August Weather28°C (82°F)124 mm (4.9 inches)82%extreme
September Weather26°C (79°F)121 mm (4.8 inches)83%very high
October Weather22°C (72°F)69 mm (2.7 inches)79%very high
November Weather15°C (59°F)53 mm (2.1 inches)82%high
December Weather13°C (55°F)120 mm (4.7 inches)85%moderate

Compare Patterson's Climate with Cities Worldwide