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December Weather in Galesville, United States

Last updated: June 24, 2025

In December, the average temperature in Galesville, United States hovers around 6°C (43°F). Expect chilly lows of -8°C (18°F) and highs reaching up to 18°C (65°F). With an average precipitation of 103 mm (4.1 in) over 10 days, it's wise to prepare for some rain. Additionally, the average humidity sits at a high 84%, adding to the overall brisk atmosphere.

December Temperature in Galesville

In December in Galesville, the average temperature is 6°C (43°F). Maximums can reach 18°C (65°F), and minimums can drop as low as -8°C (18°F). Be prepared for a wide range of temperatures and pack accordingly for your travel to Galesville during this time.

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

The chart illustrates December temperature patterns in Galesville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Galesville, December typically has an average temperature of 6°C (43°F), with highs reaching up to 18°C (65°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec384146566575807873645042
Data source: Temperature data for Galesville 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 Galesville

In Galesville in December, the precipitation amount is 103 mm (4.1 in) over a span of 10 days.

December Precipitation Trends in Galesville

The chart displays monthly precipitation patterns in Galesville, 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 Galesville, December typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec69113911001329817215411313286103
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Galesville

In Galesville in December, humidity is 84%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that penetrates your clothing, making outdoor excursions uncomfortable and prompting travelers to seek refuge indoors or find warm, sheltered spots to enjoy their surroundings.

December Average Humidity in Galesville

This chart illustrates the average monthly humidity levels in Galesville, 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 Galesville is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%83%81%78%79%74%72%75%81%85%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Galesville

In Galesville 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 Galesville, you can check the information here.

Maximum UV Index Levels in Galesville for December

The chart shows the monthly maximum UV Index (UVI) for Galesville 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 Galesville typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010108753
Data source: Galesville 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 Galesville Compares to Other Months

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

This table compares monthly weather conditions in Galesville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)69 mm (2.7 inches)84%moderate
February Weather5°C (41°F)113 mm (4.5 inches)83%moderate
March Weather8°C (46°F)91 mm (3.6 inches)83%high
April Weather13°C (56°F)100 mm (3.9 inches)81%very high
May Weather19°C (66°F)132 mm (5.2 inches)78%very high
June Weather24°C (75°F)98 mm (3.8 inches)79%very high
July Weather27°C (81°F)172 mm (6.8 inches)74%very high
August Weather26°C (78°F)154 mm (6.1 inches)72%very high
September Weather23°C (73°F)113 mm (4.4 inches)75%very high
October Weather18°C (64°F)132 mm (5.2 inches)81%high
November Weather10°C (50°F)86 mm (3.4 inches)85%moderate
December Weather6°C (43°F)103 mm (4.1 inches)84%moderate

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