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December Weather in Melrose, United States

Last updated: June 24, 2025

In Melrose, United States, the average temperature in December hovers around 5°C (41°F). Expect a chilly minimum of -6°C (21°F) and a pleasant maximum of 18°C (65°F). With 167 mm (6.6 in) of precipitation spread over 16 days, be prepared for some wet weather. The air tends to be quite humid, with an average humidity level of 87%.

December Temperature in Melrose

In December in Melrose, the average temperature is 5°C (41°F). Maximum temperatures can reach 18°C (65°F), while minimums can drop as low as -6°C (21°F). Be sure to pack appropriately for varied weather conditions if you're traveling during this time.

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 (41°F), with highs reaching up to 18°C (65°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec424245505562666762534641
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 167 mm (6.6 in) occurring over a span of 16 days.

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 167 mm (6.6 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec1501871301166335276073121167
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 87%. With an average temperature of 5°C (41°F), this humidity feels like a heavy, damp blanket enveloping you, making every step seem laborious and the chill more biting, which can be quite challenging for traveling.

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 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%86%83%83%83%78%67%66%77%87%87%
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 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 Melrose, you can visit Hourly UV Index in Melrose.

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 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346810101098632
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 Weather5°C (42°F)150 mm (5.9 inches)84%moderate
February Weather5°C (42°F)187 mm (7.4 inches)85%moderate
March Weather7°C (45°F)130 mm (5.1 inches)86%high
April Weather10°C (50°F)116 mm (4.6 inches)83%very high
May Weather13°C (56°F)63 mm (2.5 inches)83%very high
June Weather17°C (62°F)35 mm (1.4 inches)83%very high
July Weather19°C (67°F)2 mm (0.1 inches)78%very high
August Weather20°C (67°F)7 mm (0.3 inches)67%very high
September Weather17°C (63°F)60 mm (2.4 inches)66%very high
October Weather12°C (53°F)73 mm (2.9 inches)77%high
November Weather8°C (46°F)121 mm (4.8 inches)87%moderate
December Weather5°C (41°F)167 mm (6.6 inches)87%low

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