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December Weather in Peterstown, United States

Last updated: June 24, 2025

In Peterstown, United States, the average temperature in December hovers around 4°C (39°F). Expect a chilly range with minimums reaching -17°C (2°F) and maximums climbing to 20°C (68°F). This month typically brings 93 mm (3.7 in) of precipitation spread across 9 days, contributing to an average humidity level of 86%, creating a damp and cool atmosphere.

December Temperature in Peterstown

In December in Peterstown, the average temperature is 4°C (39°F). The maximum can reach 20°C (68°F), while the minimum can drop to as low as -17°C (2°F). It's advisable to pack layers and prepare for a mix of chilly and mild weather when traveling during this time.

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

The chart illustrates December temperature patterns in Peterstown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Peterstown, December typically has an average temperature of 4°C (39°F), with highs reaching up to 20°C (68°F) and lows dropping to around -17°C (2°F).
JanFebMarAprMayJunJulAugSepOctNovDec343944536268737167574338
Data source: Temperature data for Peterstown 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 Peterstown

In Peterstown in December, the precipitation amount is 93 mm (3.7 in) over the course of 9 days.

December Precipitation Trends in Peterstown

The chart displays monthly precipitation patterns in Peterstown, 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 Peterstown, December typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7512594113128946683941106893
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Peterstown

In Peterstown in December humidity is 86%. With an average temperature of 4°C (39°F), this humidity feels like a chilly mist enveloping you, making it essential to bundle up while exploring, as each breath comes with a damp chill that can be quite refreshing yet starkly invigorating for travelers.

December Average Humidity in Peterstown

This chart illustrates the average monthly humidity levels in Peterstown, 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 Peterstown is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%84%83%83%79%66%68%78%89%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Peterstown

In Peterstown 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 Peterstown, you can check the information here.

Maximum UV Index Levels in Peterstown for December

The chart shows the monthly maximum UV Index (UVI) for Peterstown 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 Peterstown typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109753
Data source: Peterstown 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 Peterstown Compares to Other Months

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

This table compares monthly weather conditions in Peterstown, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)75 mm (2.9 inches)87%moderate
February Weather4°C (40°F)125 mm (4.9 inches)87%high
March Weather7°C (45°F)94 mm (3.7 inches)86%very high
April Weather12°C (53°F)113 mm (4.5 inches)84%very high
May Weather17°C (62°F)128 mm (5.0 inches)83%extreme
June Weather20°C (68°F)94 mm (3.7 inches)83%extreme
July Weather23°C (73°F)66 mm (2.6 inches)79%extreme
August Weather22°C (71°F)83 mm (3.3 inches)66%very high
September Weather19°C (67°F)94 mm (3.7 inches)68%very high
October Weather14°C (57°F)110 mm (4.3 inches)78%high
November Weather6°C (43°F)68 mm (2.7 inches)89%moderate
December Weather4°C (39°F)93 mm (3.7 inches)86%moderate

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