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December Weather in Loretto, United States

Last updated: June 24, 2025

In December, the average temperature in Loretto, United States hovers around 6°C (42°F), with a chill that can dip as low as -11°C (12°F) and a rare warm spell reaching up to 22°C (73°F). Visitors should prepare for about 121 mm (4.8 in) of rainfall across 10 days, contributing to a notable average humidity of 88%. Embrace the cozy atmosphere and get ready for a unique experience!

December Temperature in Loretto

In December in Loretto, the average temperature is 6°C (42°F). Maximums can reach 22°C (73°F) while minimums can drop as low as -11°C (12°F). Prepare for a wide range of temperatures and pack accordingly for your trip!

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

The chart illustrates December temperature patterns in Loretto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Loretto, December typically has an average temperature of 6°C (42°F), with highs reaching up to 22°C (73°F) and lows dropping to around -11°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec374149576875787672614642
Data source: Temperature data for Loretto 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 Loretto

In Loretto in December, the precipitation amount is 121 mm (4.8 in) spread over a period of 10 days.

December Precipitation Trends in Loretto

The chart displays monthly precipitation patterns in Loretto, 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 Loretto, December typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec9615013514411915711510412510889121
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Loretto

In Loretto in December, humidity is 88%. With an average temperature of 6°C (42°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as the cold air clings to your skin and saps your energy.

December Average Humidity in Loretto

This chart illustrates the average monthly humidity levels in Loretto, 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 Loretto is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%82%83%83%80%74%71%78%88%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Loretto

In Loretto in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Loretto, you can check the information here.

Maximum UV Index Levels in Loretto for December

The chart shows the monthly maximum UV Index (UVI) for Loretto 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 Loretto typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109753
Data source: Loretto 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 Loretto Compares to Other Months

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

This table compares monthly weather conditions in Loretto, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)96 mm (3.8 inches)87%moderate
February Weather5°C (41°F)150 mm (5.9 inches)86%moderate
March Weather9°C (49°F)135 mm (5.3 inches)86%high
April Weather14°C (57°F)144 mm (5.7 inches)82%very high
May Weather20°C (68°F)119 mm (4.7 inches)82%very high
June Weather24°C (75°F)157 mm (6.2 inches)83%extreme
July Weather26°C (79°F)115 mm (4.5 inches)80%extreme
August Weather25°C (77°F)104 mm (4.1 inches)74%very high
September Weather22°C (72°F)125 mm (4.9 inches)71%very high
October Weather16°C (61°F)108 mm (4.2 inches)78%high
November Weather8°C (46°F)89 mm (3.5 inches)88%moderate
December Weather6°C (42°F)121 mm (4.8 inches)88%moderate

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