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December Weather in Medford, United States

Last updated: June 24, 2025

In December, the average temperature in Medford, United States hovers around 5°C (41°F). Expect chilly days, with minimums plunging to -12°C (11°F) and the occasional warm-up reaching up to 26°C (79°F). This month also brings about 28 mm (1.1 in) of precipitation over 2 days, contributing to an average humidity level of 83%. Get ready for a mix of cool and wet weather!

December Temperature in Medford

In December in Medford, the average temperature is 5°C (41°F), with maximums potentially reaching 26°C (79°F) and minimums dropping as low as -12°C (11°F). This variability makes it essential for travelers to pack layers to accommodate both warm days and chilly nights.

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

The chart illustrates December temperature patterns in Medford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Medford, December typically has an average temperature of 5°C (41°F), with highs reaching up to 26°C (79°F) and lows dropping to around -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec363751586879838075604841
Data source: Temperature data for Medford 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 Medford

In Medford in December, the total precipitation amount is 28 mm (1.1 in) over the course of 2 days.

December Precipitation Trends in Medford

The chart displays monthly precipitation patterns in Medford, 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 Medford, December typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec422980831661325092721102428
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Medford

In Medford in December humidity is 83%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and necessitating extra layers to stay warm and dry.

December Average Humidity in Medford

This chart illustrates the average monthly humidity levels in Medford, 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 Medford is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%76%67%70%82%82%81%76%67%72%80%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Medford

In Medford 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 Medford, you can check the information here.

Maximum UV Index Levels in Medford for December

The chart shows the monthly maximum UV Index (UVI) for Medford 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 Medford typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Medford 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 Medford Compares to Other Months

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

This table compares monthly weather conditions in Medford, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)42 mm (1.6 inches)75%moderate
February Weather3°C (38°F)29 mm (1.1 inches)76%high
March Weather11°C (52°F)80 mm (3.2 inches)67%high
April Weather14°C (58°F)83 mm (3.3 inches)70%very high
May Weather20°C (69°F)166 mm (6.5 inches)82%very high
June Weather26°C (80°F)132 mm (5.2 inches)82%extreme
July Weather28°C (83°F)50 mm (2.0 inches)81%extreme
August Weather27°C (80°F)92 mm (3.6 inches)76%very high
September Weather24°C (75°F)72 mm (2.8 inches)67%very high
October Weather16°C (60°F)110 mm (4.3 inches)72%high
November Weather9°C (48°F)24 mm (0.9 inches)80%moderate
December Weather5°C (41°F)28 mm (1.1 inches)83%moderate

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