nomadseason

December Weather in Newton, United States

Last updated: June 24, 2025

In December, the average temperature in Newton, United States is 13°C (55°F), with a minimum dipping to -5°C (24°F) and peaking at 27°C (82°F). Expect 113 mm (4.4 in) of precipitation spread over about 10 days, and a high average humidity of 88%. Prepare for a mix of cool and warm days in this unique climate!

December Temperature in Newton

In December in Newton, the average temperature is 13°C (55°F). The maximum can reach 27°C (82°F), while the minimum can drop to as low as -5°C (24°F). This varied climate makes Newton a versatile destination, so travelers should be prepared for both warm days and chilly nights.

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

The chart illustrates December temperature patterns in Newton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Newton, December typically has an average temperature of 13°C (55°F), with highs reaching up to 27°C (82°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec525862677580828280725955
Data source: Temperature data for Newton generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Newton

In Newton in December, the total precipitation amount is 113 mm (4.4 in) over a span of 10 days.

December Precipitation Trends in Newton

The chart displays monthly precipitation patterns in Newton, 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 Newton, December typically receives around 113 mm (4.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec8211371100761241281141178156113
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Newton

In Newton in December humidity is 88%. With an average temperature of 13°C (55°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while exploring, as the moisture in the air can lead to a rather uncomfortable experience for traveling.

December Average Humidity in Newton

This chart illustrates the average monthly humidity levels in Newton, 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 Newton is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%82%80%76%73%74%80%79%83%77%84%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Newton

In Newton 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 Newton for better planning.

Maximum UV Index Levels in Newton for December

The chart shows the monthly maximum UV Index (UVI) for Newton 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 Newton typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111111111110864
Data source: Newton 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 Newton Compares to Other Months

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

This table compares monthly weather conditions in Newton, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)82 mm (3.2 inches)85%moderate
February Weather15°C (59°F)113 mm (4.5 inches)82%very high
March Weather17°C (63°F)71 mm (2.8 inches)80%very high
April Weather20°C (68°F)100 mm (3.9 inches)76%extreme
May Weather24°C (76°F)76 mm (3.0 inches)73%extreme
June Weather27°C (80°F)124 mm (4.9 inches)74%extreme
July Weather28°C (82°F)128 mm (5.0 inches)80%extreme
August Weather28°C (82°F)114 mm (4.5 inches)79%extreme
September Weather26°C (80°F)117 mm (4.6 inches)83%very high
October Weather22°C (73°F)81 mm (3.2 inches)77%very high
November Weather15°C (59°F)55 mm (2.2 inches)84%high
December Weather13°C (55°F)113 mm (4.4 inches)88%moderate

Compare Newton's Climate with Cities Worldwide