December Weather in Brighton, United States

Last updated: June 24, 2025

In December, the average temperature in Brighton, United States hovers around 0°C (32°F), making it a chilly time of year. Expect a minimum drop to -22°C (-7°F) and a potential peak of 23°C (73°F), offering a wide range of conditions. Alongside this temperature swing, you'll encounter an average precipitation of 47 mm (1.8 in) over about 5 days. Don't forget your layers, as the average humidity stands at a brisk 84%!

December Temperature in Brighton

In December, in Brighton, the average temperature is 0°C (32°F). The maximum can reach 23°C (73°F) and the minimum can be as low as -22°C (-7°F). Be prepared for a wide range of temperatures if you plan to visit during this time.

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

The chart illustrates December temperature patterns in Brighton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brighton, December typically has an average temperature of 0°C (32°F), with highs reaching up to 23°C (73°F) and lows dropping to around -22°C (-7°F).
JanFebMarAprMayJunJulAugSepOctNovDec242641506375777469543932
Data source: Temperature data for Brighton 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 Brighton

In Brighton in December, the total precipitation amount is 47 mm (1.8 in) over the course of 5 days.

December Precipitation Trends in Brighton

The chart displays monthly precipitation patterns in Brighton, 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 Brighton, December typically receives around 47 mm (1.8 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec5158898215114270681141285047
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Brighton

In Brighton in December, humidity is 84%. With an average temperature of 0°C (32°F), this humidity feels like a cold, damp chill that seeps into your clothes, making traveling uncomfortable and necessitating extra layers to stay warm despite the moisture-laden air.

December Average Humidity in Brighton

This chart illustrates the average monthly humidity levels in Brighton, 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 Brighton is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%81%81%82%78%81%79%77%78%79%87%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Brighton

In Brighton 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 Brighton, you can check the information here.

Maximum UV Index Levels in Brighton for December

The chart shows the monthly maximum UV Index (UVI) for Brighton 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 Brighton typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098643
Data source: Brighton 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 Brighton Compares to Other Months

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

This table compares monthly weather conditions in Brighton, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)51 mm (2.0 inches)81%moderate
February Weather-3°C (26°F)58 mm (2.3 inches)81%moderate
March Weather5°C (41°F)89 mm (3.5 inches)81%high
April Weather10°C (50°F)82 mm (3.2 inches)82%very high
May Weather17°C (63°F)151 mm (5.9 inches)78%very high
June Weather24°C (75°F)142 mm (5.6 inches)81%extreme
July Weather25°C (77°F)70 mm (2.7 inches)79%very high
August Weather23°C (74°F)68 mm (2.7 inches)77%very high
September Weather20°C (69°F)113 mm (4.5 inches)78%very high
October Weather12°C (54°F)128 mm (5.0 inches)78%high
November Weather4°C (39°F)50 mm (2.0 inches)87%moderate
December Weather0°C (32°F)47 mm (1.8 inches)84%moderate

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