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.
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.
In Fort Wayne in December, the total precipitation amount is 60 mm (2.4 in), occurring over a span of 9 days.
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.
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.
UV Risk Categories
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.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| 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 Weather | 4°C (40°F) | 101 mm (4.0 inches) | 86% | high |
| April Weather | 9°C (49°F) | 98 mm (3.9 inches) | 87% | very high |
| May Weather | 16°C (62°F) | 128 mm (5.1 inches) | 81% | very high |
| June Weather | 22°C (72°F) | 122 mm (4.8 inches) | 82% | very high |
| July Weather | 24°C (76°F) | 106 mm (4.2 inches) | 81% | very high |
| August Weather | 23°C (73°F) | 101 mm (4.0 inches) | 79% | very high |
| September Weather | 20°C (68°F) | 66 mm (2.6 inches) | 78% | very high |
| October Weather | 13°C (56°F) | 108 mm (4.3 inches) | 81% | high |
| November Weather | 5°C (41°F) | 82 mm (3.2 inches) | 89% | moderate |
| December Weather | 1°C (34°F) | 60 mm (2.4 inches) | 86% | low |