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December Weather in Arthur, United States

Last updated: June 24, 2025

In December, the average temperature in Arthur, United States is a cool 2°C (36°F), with extremes ranging from a brisk -20°C (-3°F) to a mild 19°C (66°F). Visitors should prepare for a moderate precipitation amount of 58 mm (2.3 in) spread over 8 days, while experiencing a high average humidity of 87%. 🌧️

December Temperature in Arthur

In December in Arthur, the average temperature is 2°C (36°F), with maximums reaching 19°C (66°F) and minimums dropping as low as -20°C (-3°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates December temperature patterns in Arthur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arthur, December typically has an average temperature of 2°C (36°F), with highs reaching up to 19°C (66°F) and lows dropping to around -20°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec293243536675777470584236
Data source: Temperature data for Arthur 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 Arthur

In Arthur in December, the precipitation amount is 58 mm (2.3 in) over a span of 8 days.

December Precipitation Trends in Arthur

The chart displays monthly precipitation patterns in Arthur, 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 Arthur, December typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec7979124123140112115114831228158
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Arthur

In Arthur in December, humidity is 87%. With an average temperature of 2°C (36°F), this humidity feels like an unwelcome chill that seeps into your bones, making outdoor exploration feel damp and heavy, and encouraging travelers to seek the warmth of indoor attractions instead.

December Average Humidity in Arthur

This chart illustrates the average monthly humidity levels in Arthur, 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 Arthur is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Arthur

In Arthur 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 Arthur, you can check the information here.

Maximum UV Index Levels in Arthur for December

The chart shows the monthly maximum UV Index (UVI) for Arthur 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 Arthur typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Arthur 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 Arthur Compares to Other Months

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

This table compares monthly weather conditions in Arthur, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)79 mm (3.1 inches)84%moderate
February Weather0°C (32°F)79 mm (3.1 inches)82%moderate
March Weather6°C (44°F)124 mm (4.9 inches)84%high
April Weather12°C (53°F)123 mm (4.9 inches)83%very high
May Weather19°C (66°F)140 mm (5.5 inches)80%very high
June Weather24°C (75°F)112 mm (4.4 inches)83%extreme
July Weather25°C (78°F)115 mm (4.5 inches)82%very high
August Weather23°C (74°F)113 mm (4.5 inches)82%very high
September Weather21°C (71°F)83 mm (3.2 inches)79%very high
October Weather14°C (58°F)122 mm (4.8 inches)79%high
November Weather5°C (42°F)81 mm (3.2 inches)88%moderate
December Weather2°C (36°F)58 mm (2.3 inches)87%moderate

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