December Weather in Fort Wayne, United States

Last updated: June 24, 2025

In December, the average temperature in Fort Wayne, United States hovers around 1°C (34°F). Expect chilly conditions, with minimums plunging to -22°C (-7°F) and maxing out at a milder 16°C (62°F). Prepare for 60 mm (2.4 in) of precipitation spread over 9 days, while maintaining an average humidity of 86%, creating a crisp and damp atmosphere.

December Temperature in Fort Wayne

In December in Fort Wayne, the average temperature is 1°C (34°F). Maximum temperatures can reach 16°C (62°F), while minimum temperatures can drop as low as -22°C (-7°F). Travelers should be prepared for a wide range of temperatures during this time.

December Weather in Fort Wayne: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Fort Wayne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fort Wayne, December typically has an average temperature of 1°C (34°F), with highs reaching up to 16°C (62°F) and lows dropping to around -22°C (-7°F).
JanFebMarAprMayJunJulAugSepOctNovDec283040496272767367554034
Data source: Temperature data for Fort Wayne 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 Fort Wayne

In Fort Wayne in December, the total precipitation amount is 60 mm (2.4 in), occurring over a span of 9 days.

December Precipitation Trends in Fort Wayne

The chart displays monthly precipitation patterns in Fort Wayne, 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 Fort Wayne, December typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec737710198128122106101661088260
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Fort Wayne

In Fort Wayne in December, humidity is 86%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making outdoor adventures brisk and invigorating but challenging for travel.

December Average Humidity in Fort Wayne

This chart illustrates the average monthly humidity levels in Fort Wayne, 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 Fort Wayne is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%86%87%81%82%81%79%78%81%89%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Fort Wayne

In Fort Wayne 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 Fort Wayne, you can visit Hourly UV Index in Fort Wayne.

Maximum UV Index Levels in Fort Wayne for December

The chart shows the monthly maximum UV Index (UVI) for Fort Wayne 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 Fort Wayne typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35699101098642
Data source: Fort Wayne 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 Fort Wayne Compares to Other Months

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

This table compares monthly weather conditions in Fort Wayne, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)73 mm (2.9 inches)85%moderate
February Weather-1°C (30°F)77 mm (3.0 inches)85%moderate
March Weather4°C (40°F)101 mm (4.0 inches)86%high
April Weather9°C (49°F)98 mm (3.9 inches)87%very high
May Weather16°C (62°F)128 mm (5.1 inches)81%very high
June Weather22°C (72°F)122 mm (4.8 inches)82%very high
July Weather24°C (76°F)106 mm (4.2 inches)81%very high
August Weather23°C (73°F)101 mm (4.0 inches)79%very high
September Weather20°C (68°F)66 mm (2.6 inches)78%very high
October Weather13°C (56°F)108 mm (4.3 inches)81%high
November Weather5°C (41°F)82 mm (3.2 inches)89%moderate
December Weather1°C (34°F)60 mm (2.4 inches)86%low

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