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December Weather in Boswell, United States

Last updated: June 24, 2025

In December, the average temperature in Boswell, United States hovers around 2°C (35°F). You can expect a minimum dip to -24°C (-11°F) and a maximum rise to 18°C (64°F). With about 58 mm (2.3 in) of precipitation spread over 9 days, the air tends to be quite humid, with an average humidity of 84%.

December Temperature in Boswell

In December in Boswell, the average temperature is 2°C (35°F), with maximums reaching 18°C (64°F) and minimums dropping as low as -24°C (-11°F). Be prepared for a wide range of temperatures, so pack accordingly for your trip!

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

The chart illustrates December temperature patterns in Boswell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Boswell, December typically has an average temperature of 2°C (35°F), with highs reaching up to 18°C (64°F) and lows dropping to around -24°C (-11°F).
JanFebMarAprMayJunJulAugSepOctNovDec283042516474777469574135
Data source: Temperature data for Boswell 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 Boswell

In Boswell in December, the precipitation amount is 58 mm (2.3 in) spread over 9 days.

December Precipitation Trends in Boswell

The chart displays monthly precipitation patterns in Boswell, 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 Boswell, December typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec747610910915310791110741217558
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Boswell

In Boswell in December, humidity is 84%. With an average temperature of 2°C (35°F), this humidity feels like an uncomfortable chill that penetrates your bones, making outdoor travel quite brisk and uninviting.

December Average Humidity in Boswell

This chart illustrates the average monthly humidity levels in Boswell, 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 Boswell is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Boswell

In Boswell 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 Boswell, you can visit Hourly UV Index in Boswell.

Maximum UV Index Levels in Boswell for December

The chart shows the monthly maximum UV Index (UVI) for Boswell 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 Boswell typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098642
Data source: Boswell 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 Boswell Compares to Other Months

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

This table compares monthly weather conditions in Boswell, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)74 mm (2.9 inches)82%moderate
February Weather-1°C (31°F)76 mm (3.0 inches)83%moderate
March Weather5°C (42°F)109 mm (4.3 inches)84%high
April Weather11°C (52°F)109 mm (4.3 inches)85%very high
May Weather18°C (64°F)153 mm (6.0 inches)79%very high
June Weather23°C (74°F)106 mm (4.2 inches)82%extreme
July Weather25°C (77°F)91 mm (3.6 inches)80%very high
August Weather23°C (74°F)110 mm (4.3 inches)81%very high
September Weather21°C (70°F)74 mm (2.9 inches)80%very high
October Weather14°C (57°F)121 mm (4.8 inches)82%high
November Weather5°C (41°F)75 mm (3.0 inches)88%moderate
December Weather2°C (35°F)58 mm (2.3 inches)84%low

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