Last updated: June 24, 2025
In December, the average temperature in Shelby, United States hovers around 0°C (32°F). Temperatures can dip as low as -21°C (-6°F) and rise to a comfortable 18°C (64°F). During this month, precipitation averages 52 mm (2.1 in), typically spread over 9 days, contributing to a high average humidity of 86%. Be prepared for a chilly and wet experience!
In December in Shelby, the average temperature is 0°C (32°F). The maximum can reach 18°C (64°F), while the minimum can drop as low as -21°C (-6°F). Be prepared for a wide temperature range if you plan to travel during this month.
In Shelby in December, the total precipitation amount is 52 mm (2.1 in) over the course of 9 days.
In Shelby in December humidity is 86%. With an average temperature of 0°C (32°F), this humidity feels like a biting chill that seeps into your bones, making travel feel uncomfortable and damp, as the cold air combines with the moisture to create a brisk sensation that may deter outdoor exploration.
In Shelby 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 Shelby, you can visit Hourly UV Index in Shelby.
UV Risk Categories
Weather in Shelby varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Shelby, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (26°F) | 60 mm (2.4 inches) | 88% | low |
| February Weather | -2°C (28°F) | 65 mm (2.6 inches) | 87% | moderate |
| March Weather | 2°C (36°F) | 65 mm (2.6 inches) | 85% | moderate |
| April Weather | 8°C (46°F) | 93 mm (3.7 inches) | 86% | very high |
| May Weather | 15°C (59°F) | 106 mm (4.2 inches) | 80% | very high |
| June Weather | 21°C (69°F) | 100 mm (3.9 inches) | 80% | very high |
| July Weather | 23°C (74°F) | 85 mm (3.3 inches) | 80% | very high |
| August Weather | 22°C (72°F) | 86 mm (3.4 inches) | 80% | very high |
| September Weather | 18°C (65°F) | 73 mm (2.9 inches) | 80% | high |
| October Weather | 12°C (54°F) | 101 mm (4.0 inches) | 84% | moderate |
| November Weather | 4°C (39°F) | 70 mm (2.8 inches) | 89% | moderate |
| December Weather | 0°C (32°F) | 52 mm (2.1 inches) | 86% | low |