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December Weather in Hanover, United States

Last updated: June 24, 2025

In Hanover, United States during December, the average temperature hovers around 1°C (35°F). Expect a chilly range, with minimums dipping to -19°C (-2°F) and maximums reaching a comfortable 22°C (73°F). This month, you can anticipate 31 mm (1.2 in) of precipitation over approximately 3 days, and the air remains quite humid, with an average humidity level of 84%.

December Temperature in Hanover

In December in Hanover, the average temperature is 1°C (35°F). Maximum temperatures can reach 22°C (73°F), while minimums can drop as low as -19°C (-2°F). It's essential to pack layers and prepare for a range of weather conditions when traveling during this time.

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

The chart illustrates December temperature patterns in Hanover, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hanover, December typically has an average temperature of 1°C (35°F), with highs reaching up to 22°C (73°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec292944526477807672544235
Data source: Temperature data for Hanover 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 Hanover

In Hanover in December, the precipitation amount is 31 mm (1.2 in) over the course of 3 days.

December Precipitation Trends in Hanover

The chart displays monthly precipitation patterns in Hanover, 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 Hanover, December typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec28278854183947488691192831
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hanover

In Hanover in December humidity is 84%. With an average temperature of 1°C (35°F), this humidity feels like a cold, damp chill that seeps into your bones, making it feel much colder than the thermometer suggests, which can be quite uncomfortable for traveling.

December Average Humidity in Hanover

This chart illustrates the average monthly humidity levels in Hanover, 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 Hanover is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%78%70%73%82%82%81%78%71%71%81%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Hanover

In Hanover 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 Hanover, you can check the information here.

Maximum UV Index Levels in Hanover for December

The chart shows the monthly maximum UV Index (UVI) for Hanover 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 Hanover typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Hanover 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 Hanover Compares to Other Months

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

This table compares monthly weather conditions in Hanover, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)28 mm (1.1 inches)76%moderate
February Weather-2°C (29°F)26 mm (1.0 inches)77%moderate
March Weather6°C (44°F)88 mm (3.5 inches)70%high
April Weather11°C (53°F)54 mm (2.1 inches)73%very high
May Weather18°C (64°F)183 mm (7.2 inches)82%very high
June Weather25°C (78°F)94 mm (3.7 inches)82%extreme
July Weather27°C (80°F)74 mm (2.9 inches)81%extreme
August Weather25°C (76°F)88 mm (3.5 inches)78%very high
September Weather22°C (72°F)69 mm (2.7 inches)71%very high
October Weather12°C (55°F)119 mm (4.7 inches)71%high
November Weather6°C (43°F)28 mm (1.1 inches)81%moderate
December Weather1°C (35°F)31 mm (1.2 inches)84%moderate

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