nomadseason

December Weather in Sentinel, United States

Last updated: June 24, 2025

In December, the average temperature in Sentinel, United States hovers around 6°C (43°F). While you might experience chilly lows of -11°C (13°F), temperatures can also soar to a pleasant 28°C (82°F). With an average precipitation of 26 mm (1.0 in) over just 2 days, you can expect some refreshing rain. Don't forget, the air will be quite humid, boasting an average humidity level of 84%.

December Temperature in Sentinel

In December in Sentinel, the average temperature is 6°C (43°F). Maximums can reach 28°C (82°F) and minimums can be as low as -11°C (13°F). Pack layers to prepare for a wide range of temperatures while exploring.

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

The chart illustrates December temperature patterns in Sentinel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sentinel, December typically has an average temperature of 6°C (43°F), with highs reaching up to 28°C (82°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec383953596979828175614943
Data source: Temperature data for Sentinel 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 Sentinel

In Sentinel in December, the precipitation amount is 26 mm (1.0 in) over the course of 2 days.

December Precipitation Trends in Sentinel

The chart displays monthly precipitation patterns in Sentinel, 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 Sentinel, December typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec3526727913580424360691826
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Sentinel

In Sentinel in December, humidity is 84%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that penetrates your clothing, making outdoor excursions uncomfortable and prompting travelers to seek refuge indoors or find warm, sheltered spots to enjoy their surroundings.

December Average Humidity in Sentinel

This chart illustrates the average monthly humidity levels in Sentinel, 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 Sentinel 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 Sentinel

In Sentinel 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 Sentinel for better planning.

Maximum UV Index Levels in Sentinel for December

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

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

This table compares monthly weather conditions in Sentinel, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)35 mm (1.4 inches)76%moderate
February Weather4°C (40°F)26 mm (1.0 inches)76%high
March Weather11°C (53°F)71 mm (2.8 inches)70%very high
April Weather15°C (59°F)79 mm (3.1 inches)72%very high
May Weather21°C (69°F)134 mm (5.3 inches)82%extreme
June Weather26°C (79°F)80 mm (3.1 inches)82%extreme
July Weather28°C (83°F)42 mm (1.7 inches)80%extreme
August Weather27°C (81°F)42 mm (1.7 inches)72%extreme
September Weather24°C (75°F)60 mm (2.4 inches)64%very high
October Weather16°C (61°F)69 mm (2.7 inches)71%high
November Weather10°C (49°F)18 mm (0.7 inches)81%moderate
December Weather6°C (43°F)26 mm (1.0 inches)84%moderate

Compare Sentinel's Climate with Cities Worldwide