nomadseason

December Weather in Montello, United States

Last updated: June 24, 2025

In Montello, United States, the average temperature in December hovers around -2°C (28°F), with extremes ranging from a chilly -24°C (-11°F) to a mild 18°C (64°F). Expect about 49 mm (1.9 in) of precipitation spread over 7 days, contributing to an average humidity of 81%. Prepare for a brisk month filled with invigorating weather!

December Temperature in Montello

In December in Montello, the average temperature is -2°C (28°F). Maximums can reach 18°C (64°F) and minimums can drop as low as -24°C (-11°F). Travelers should be prepared for a wide range of temperatures and dress accordingly, ensuring they enjoy their visit to Montello comfortably.

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

The chart illustrates December temperature patterns in Montello, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Montello, December typically has an average temperature of -2°C (28°F), with highs reaching up to 18°C (64°F) and lows dropping to around -24°C (-11°F).
JanFebMarAprMayJunJulAugSepOctNovDec202134455970747064503628
Data source: Temperature data for Montello 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 Montello

In Montello in December, the precipitation amount is 49 mm (1.9 in) over the course of 7 days.

December Precipitation Trends in Montello

The chart displays monthly precipitation patterns in Montello, 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 Montello, December typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec45506197118114111105921034649
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Montello

In Montello in December, humidity is 81%. With an average temperature of -2°C (28°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm and dry.

December Average Humidity in Montello

This chart illustrates the average monthly humidity levels in Montello, 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 Montello is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Montello

In Montello in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Montello, you can visit Hourly UV Index in Montello.

Maximum UV Index Levels in Montello for December

The chart shows the monthly maximum UV Index (UVI) for Montello 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 Montello typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34589101097532
Data source: Montello 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 Montello Compares to Other Months

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

This table compares monthly weather conditions in Montello, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (21°F)45 mm (1.8 inches)85%moderate
February Weather-6°C (21°F)50 mm (2.0 inches)85%moderate
March Weather1°C (35°F)61 mm (2.4 inches)85%moderate
April Weather7°C (45°F)97 mm (3.8 inches)85%very high
May Weather15°C (59°F)118 mm (4.6 inches)78%very high
June Weather21°C (70°F)114 mm (4.5 inches)80%very high
July Weather23°C (74°F)111 mm (4.4 inches)78%very high
August Weather21°C (71°F)105 mm (4.1 inches)76%very high
September Weather18°C (64°F)92 mm (3.6 inches)79%high
October Weather10°C (51°F)103 mm (4.0 inches)83%moderate
November Weather2°C (36°F)46 mm (1.8 inches)88%moderate
December Weather-2°C (28°F)49 mm (1.9 inches)81%low

Compare Montello's Climate with Cities Worldwide