Last updated: June 24, 2025
In December, the average temperature in McCordsville, United States hovers around 2°C (36°F), with potential extremes ranging from a chilly -22°C (-7°F) to a warmer 18°C (64°F). Expect about 75 mm (2.9 in) of precipitation spread over 10 days, contributing to the high average humidity of 87%. Stay prepared for a mix of cold and damp conditions!
In December in McCordsville, the average temperature is 2°C (36°F), with maximums reaching 18°C (64°F) and minimums dropping as low as -22°C (-7°F). This time of year offers a unique experience for travelers, combining chilly weather with occasional milder days perfect for adventure.
In McCordsville in December, the precipitation amount is 75 mm (2.9 in) spread over a period of 10 days.
In McCordsville in December, humidity is 87%. With an average temperature of 2°C (36°F), this humidity feels like an unwelcome chill that seeps into your bones, making outdoor exploration feel damp and heavy, and encouraging travelers to seek the warmth of indoor attractions instead.
In McCordsville 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 McCordsville, you can visit Hourly UV Index in McCordsville.
UV Risk Categories
Weather in McCordsville varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in McCordsville, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (30°F) | 81 mm (3.2 inches) | 87% | moderate |
| February Weather | 0°C (33°F) | 91 mm (3.6 inches) | 85% | moderate |
| March Weather | 6°C (43°F) | 122 mm (4.8 inches) | 86% | high |
| April Weather | 11°C (52°F) | 92 mm (3.6 inches) | 84% | very high |
| May Weather | 18°C (64°F) | 138 mm (5.4 inches) | 79% | very high |
| June Weather | 23°C (73°F) | 104 mm (4.1 inches) | 82% | extreme |
| July Weather | 25°C (77°F) | 108 mm (4.3 inches) | 79% | very high |
| August Weather | 23°C (74°F) | 92 mm (3.6 inches) | 70% | very high |
| September Weather | 21°C (70°F) | 77 mm (3.0 inches) | 69% | very high |
| October Weather | 14°C (58°F) | 101 mm (4.0 inches) | 76% | high |
| November Weather | 5°C (42°F) | 87 mm (3.4 inches) | 88% | moderate |
| December Weather | 2°C (36°F) | 75 mm (2.9 inches) | 87% | low |