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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 10°C (49°F), creating a cool atmosphere for visitors. Expect a minimum dip to -6°C (22°F) and a pleasant maximum of 26°C (79°F). Make sure to prepare for some moisture, with an average precipitation of 87 mm (3.4 in) spread over 8 days, resulting in a relatively high average humidity of 87%.

December Temperature in Boswell

In December in Boswell, the average temperature is 10°C (49°F), with a maximum reaching 26°C (79°F) and a minimum that can drop to -6°C (22°F). Be sure to pack layers to accommodate the fluctuating temperatures during your visit!

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 10°C (49°F), with highs reaching up to 26°C (79°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec444658637280838278655449
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 87 mm (3.4 in), which occurs over a span of 8 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 87 mm (3.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec831131291521961076398911516287
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 87%. With an average temperature of 10°C (49°F), this humidity feels like a damp chill that clings to your skin, making outdoor excursions somewhat uncomfortable and requiring layered clothing to navigate the cold, clammy air effectively.

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 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
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 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 Boswell for better planning.

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 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
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 Weather7°C (44°F)82 mm (3.2 inches)80%moderate
February Weather8°C (47°F)113 mm (4.4 inches)79%high
March Weather14°C (58°F)129 mm (5.1 inches)78%very high
April Weather17°C (63°F)152 mm (6.0 inches)78%very high
May Weather22°C (72°F)196 mm (7.7 inches)81%extreme
June Weather27°C (80°F)107 mm (4.2 inches)78%extreme
July Weather28°C (83°F)63 mm (2.5 inches)73%extreme
August Weather28°C (83°F)98 mm (3.9 inches)66%extreme
September Weather25°C (78°F)91 mm (3.6 inches)65%very high
October Weather18°C (65°F)151 mm (5.9 inches)72%very high
November Weather12°C (54°F)62 mm (2.4 inches)82%high
December Weather10°C (49°F)87 mm (3.4 inches)87%moderate

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