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December Weather in Melrose, United States

Last updated: June 24, 2025

In December, the average temperature in Melrose, United States hovers around 5°C (42°F), with a minimum dipping to -8°C (18°F) and occasional maximums reaching 23°C (73°F). Expect a light drizzle, with total precipitation around 7 mm (0.3 in) over the course of 1 day. Humidity levels are typically high, averaging 77%, creating a crisp atmosphere throughout the month.

December Temperature in Melrose

In December in Melrose, the average temperature is 5°C (42°F). The maximum can reach 23°C (73°F), while the minimum can drop as low as -8°C (18°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates December temperature patterns in Melrose, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Melrose, December typically has an average temperature of 5°C (42°F), with highs reaching up to 23°C (73°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec394352596977797771584841
Data source: Temperature data for Melrose 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 Melrose

In Melrose in December, the precipitation amount is 7 mm (0.3 in) over the course of 1 day.

December Precipitation Trends in Melrose

The chart displays monthly precipitation patterns in Melrose, 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 Melrose, December typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec15112820324626453258127
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Melrose

In Melrose in December, humidity is 77%. With an average temperature of 5°C (42°F), this humidity feels like a chilly, damp embrace, making outdoor activities feel quite uncomfortable and the air heavy as you traverse the landscape.

December Average Humidity in Melrose

This chart illustrates the average monthly humidity levels in Melrose, 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 Melrose is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%75%61%62%69%74%75%78%76%76%80%77%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Melrose

In Melrose 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 Melrose for better planning.

Maximum UV Index Levels in Melrose for December

The chart shows the monthly maximum UV Index (UVI) for Melrose 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 Melrose typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111212121210864
Data source: Melrose 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 Melrose Compares to Other Months

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

This table compares monthly weather conditions in Melrose, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)15 mm (0.6 inches)74%moderate
February Weather6°C (43°F)11 mm (0.4 inches)75%high
March Weather11°C (52°F)28 mm (1.1 inches)61%very high
April Weather15°C (59°F)20 mm (0.8 inches)61%extreme
May Weather20°C (69°F)32 mm (1.2 inches)69%extreme
June Weather25°C (77°F)46 mm (1.8 inches)74%extreme
July Weather26°C (80°F)26 mm (1.0 inches)75%extreme
August Weather25°C (78°F)45 mm (1.8 inches)78%extreme
September Weather22°C (71°F)32 mm (1.3 inches)76%very high
October Weather14°C (58°F)58 mm (2.3 inches)76%very high
November Weather9°C (49°F)12 mm (0.5 inches)80%high
December Weather5°C (42°F)7 mm (0.3 inches)77%moderate

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