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December Weather in Fostoria, United States

Last updated: June 24, 2025

In Fostoria, United States, the average temperature in December hovers around 2°C (35°F). However, temperatures can range from a chilly -22°C (-7°F) to a mild 17°C (64°F). Expect 61 mm (2.4 in) of precipitation over approximately 11 days, with an average humidity of 86%. Be prepared for varying conditions as you explore this captivating destination!

December Temperature in Fostoria

In December in Fostoria, the average temperature is 2°C (35°F). Maximum temperatures can reach 17°C (64°F), while minimums can drop as low as -22°C (-7°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your trip.

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

The chart illustrates December temperature patterns in Fostoria, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fostoria, December typically has an average temperature of 2°C (35°F), with highs reaching up to 17°C (64°F) and lows dropping to around -22°C (-7°F).
JanFebMarAprMayJunJulAugSepOctNovDec293140506271757368574135
Data source: Temperature data for Fostoria 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 Fostoria

In Fostoria in December, the total precipitation amount is 61 mm (2.4 in) over the course of 11 days.

December Precipitation Trends in Fostoria

The chart displays monthly precipitation patterns in Fostoria, 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 Fostoria, December typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec7179911021451251259067928861
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Fostoria

In Fostoria in December humidity is 86%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill that seeps into your bones, making traveling quite uncomfortable as your clothes cling to you and the cold air cuts through any warmth you try to find.

December Average Humidity in Fostoria

This chart illustrates the average monthly humidity levels in Fostoria, 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 Fostoria 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 Fostoria

In Fostoria 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 Fostoria, you can visit Hourly UV Index in Fostoria.

Maximum UV Index Levels in Fostoria for December

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

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

This table compares monthly weather conditions in Fostoria, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)71 mm (2.8 inches)88%moderate
February Weather-1°C (31°F)79 mm (3.1 inches)87%moderate
March Weather5°C (40°F)91 mm (3.6 inches)87%high
April Weather10°C (50°F)102 mm (4.0 inches)87%very high
May Weather17°C (62°F)145 mm (5.7 inches)81%very high
June Weather22°C (72°F)125 mm (4.9 inches)82%very high
July Weather24°C (76°F)125 mm (4.9 inches)81%very high
August Weather23°C (73°F)90 mm (3.5 inches)78%very high
September Weather20°C (68°F)67 mm (2.6 inches)78%very high
October Weather14°C (57°F)92 mm (3.6 inches)82%high
November Weather5°C (42°F)88 mm (3.5 inches)89%moderate
December Weather2°C (35°F)61 mm (2.4 inches)86%low

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