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December Weather in Cache, United States

Last updated: June 24, 2025

In December, the average temperature in Cache, United States is around 7°C (45°F). However, be prepared for a range that can dip to a chilly -8°C (18°F) or rise to a warm 29°C (84°F). Rain is likely, with an average precipitation of 34 mm (1.3 in) over just 3 days. Additionally, expect a high level of humidity at 84%, making the air feel quite cool.

December Temperature in Cache

In December, in Cache, the average temperature is 7°C (45°F). The maximum can reach 29°C (84°F), while the minimum can be as low as -8°C (18°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates December temperature patterns in Cache, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cache, December typically has an average temperature of 7°C (45°F), with highs reaching up to 29°C (84°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec404255617180848276625145
Data source: Temperature data for Cache 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 Cache

In Cache in December, the precipitation amount is 34 mm (1.3 in) over the course of 3 days.

December Precipitation Trends in Cache

The chart displays monthly precipitation patterns in Cache, 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 Cache, December typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec40357410113961424789802234
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Cache

In Cache in December, humidity is 84%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm while exploring the sights.

December Average Humidity in Cache

This chart illustrates the average monthly humidity levels in Cache, 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 Cache is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%76%70%72%82%82%80%72%64%71%81%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Cache

In Cache 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 Cache for better planning.

Maximum UV Index Levels in Cache for December

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

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

This table compares monthly weather conditions in Cache, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)40 mm (1.6 inches)76%moderate
February Weather5°C (42°F)35 mm (1.4 inches)76%high
March Weather13°C (55°F)74 mm (2.9 inches)70%very high
April Weather16°C (61°F)101 mm (4.0 inches)72%very high
May Weather21°C (71°F)139 mm (5.5 inches)82%extreme
June Weather27°C (80°F)61 mm (2.4 inches)82%extreme
July Weather29°C (84°F)42 mm (1.6 inches)80%extreme
August Weather28°C (83°F)47 mm (1.8 inches)72%extreme
September Weather24°C (76°F)89 mm (3.5 inches)64%very high
October Weather17°C (63°F)80 mm (3.1 inches)71%high
November Weather10°C (51°F)22 mm (0.9 inches)81%moderate
December Weather7°C (45°F)34 mm (1.3 inches)84%moderate

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