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December Weather in Piqua, United States

Last updated: June 24, 2025

In December, the average temperature in Piqua, United States hovers around 2°C (36°F). Expect chilly days with minimums plunging to -19°C (-1°F) and occasional warmth peaking at 18°C (65°F). This month brings about 78 mm (3.1 in) of precipitation spread over 10 days, along with a high average humidity of 86%, setting the stage for a brisk yet refreshing atmosphere.

December Temperature in Piqua

In December in Piqua, the average temperature is 2°C (36°F). The maximum can reach 18°C (65°F), while the minimum can drop as low as -19°C (-1°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates December temperature patterns in Piqua, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Piqua, December typically has an average temperature of 2°C (36°F), with highs reaching up to 18°C (65°F) and lows dropping to around -19°C (-1°F).
JanFebMarAprMayJunJulAugSepOctNovDec303342516372767369574136
Data source: Temperature data for Piqua 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 Piqua

In Piqua in December, the precipitation amount is 78 mm (3.1 in) over the course of 10 days.

December Precipitation Trends in Piqua

The chart displays monthly precipitation patterns in Piqua, 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 Piqua, December typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec7297103101126121105100781018978
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Piqua

In Piqua in December, humidity is 86%. With an average temperature of 2°C (36°F), this humidity feels like a biting chill that clings to your skin, making outdoor exploration uncomfortable and dampening any enthusiasm for travel.

December Average Humidity in Piqua

This chart illustrates the average monthly humidity levels in Piqua, 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 Piqua is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Piqua

In Piqua in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Piqua, you can visit Hourly UV Index in Piqua.

Maximum UV Index Levels in Piqua for December

The chart shows the monthly maximum UV Index (UVI) for Piqua 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 Piqua typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Piqua 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 Piqua Compares to Other Months

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

This table compares monthly weather conditions in Piqua, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)72 mm (2.8 inches)88%moderate
February Weather0°C (33°F)97 mm (3.8 inches)87%moderate
March Weather5°C (42°F)103 mm (4.0 inches)87%high
April Weather11°C (51°F)101 mm (4.0 inches)87%very high
May Weather17°C (63°F)125 mm (4.9 inches)81%very high
June Weather22°C (72°F)121 mm (4.8 inches)82%very high
July Weather24°C (76°F)105 mm (4.1 inches)81%very high
August Weather23°C (73°F)100 mm (3.9 inches)78%very high
September Weather20°C (69°F)78 mm (3.1 inches)78%very high
October Weather14°C (57°F)101 mm (4.0 inches)82%high
November Weather5°C (42°F)89 mm (3.5 inches)89%moderate
December Weather2°C (36°F)78 mm (3.1 inches)86%low

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