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December Weather in Penasco, United States

Last updated: June 24, 2025

In December in Penasco, United States, the average temperature hovers around -2°C (28°F), with potential extremes ranging from a chilly -24°C (-11°F) to a mild 15°C (60°F). Expect about 25 mm (1.0 in) of precipitation spread over 5 days, while the air remains quite humid, with an average humidity level of 85%. 🥶🌧️

December Temperature in Penasco

In December in Penasco, the average temperature is -2°C (28°F), with maximums reaching up to 15°C (60°F) and minimums plummeting as low as -24°C (-11°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack appropriately for both chilly and moderately warm conditions.

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

The chart illustrates December temperature patterns in Penasco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Penasco, December typically has an average temperature of -2°C (28°F), with highs reaching up to 15°C (60°F) and lows dropping to around -24°C (-11°F).
JanFebMarAprMayJunJulAugSepOctNovDec242737465666686661483828
Data source: Temperature data for Penasco 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 Penasco

In Penasco in December, the total precipitation amount is 25 mm (1.0 in) over a span of 5 days.

December Precipitation Trends in Penasco

The chart displays monthly precipitation patterns in Penasco, 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 Penasco, December typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec302836243322543327302525
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Penasco

In Penasco in December, humidity is 85%. With an average temperature of -2°C (28°F), this humidity feels like an icy grip that clings uncomfortably to your skin, making every step feel heavier and hastening the chill that seeps into your bones, discouraging long outdoor excursions and leaving you yearning for warmth and shelter.

December Average Humidity in Penasco

This chart illustrates the average monthly humidity levels in Penasco, 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 Penasco is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%75%68%62%55%54%61%70%78%81%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Penasco

In Penasco 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 Penasco for better planning.

Maximum UV Index Levels in Penasco for December

The chart shows the monthly maximum UV Index (UVI) for Penasco 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 Penasco typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710111213131211864
Data source: Penasco 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 Penasco Compares to Other Months

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

This table compares monthly weather conditions in Penasco, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)30 mm (1.2 inches)84%moderate
February Weather-3°C (27°F)28 mm (1.1 inches)84%high
March Weather3°C (37°F)36 mm (1.4 inches)74%very high
April Weather8°C (47°F)24 mm (1.0 inches)68%extreme
May Weather13°C (56°F)33 mm (1.3 inches)62%extreme
June Weather19°C (66°F)22 mm (0.9 inches)55%extreme
July Weather20°C (68°F)54 mm (2.1 inches)54%extreme
August Weather19°C (67°F)33 mm (1.3 inches)61%extreme
September Weather16°C (61°F)27 mm (1.1 inches)70%extreme
October Weather9°C (49°F)30 mm (1.2 inches)78%very high
November Weather3°C (38°F)25 mm (1.0 inches)81%high
December Weather-2°C (28°F)25 mm (1.0 inches)85%moderate

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