Last updated: June 24, 2025
In December, the average temperature in Holly, United States hovers around 0°C (32°F). Expect chilly mínimums of -21°C (-5°F) and the occasional warm peak at 17°C (63°F). During this month, precipitation averages 54 mm (2.1 in) spread over about 10 days, contributing to a notable average humidity level of 86%.
In December in Holly, the average temperature is 0°C (32°F). The maximum can reach 17°C (63°F) while the minimum can drop as low as -21°C (-5°F). Travelers should be prepared for a wide range of temperatures and dress in layers to stay comfortable.
In Holly in December, the total precipitation amount is 54 mm (2.1 in) over the course of 10 days.
In Holly 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 Holly 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 Holly, you can visit Hourly UV Index in Holly.
UV Risk Categories
Weather in Holly varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Holly, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (26°F) | 63 mm (2.5 inches) | 88% | low |
| February Weather | -3°C (27°F) | 66 mm (2.6 inches) | 87% | moderate |
| March Weather | 2°C (36°F) | 69 mm (2.7 inches) | 85% | moderate |
| April Weather | 8°C (46°F) | 91 mm (3.6 inches) | 86% | very high |
| May Weather | 15°C (59°F) | 107 mm (4.2 inches) | 80% | very high |
| June Weather | 21°C (69°F) | 104 mm (4.1 inches) | 80% | very high |
| July Weather | 23°C (74°F) | 85 mm (3.3 inches) | 80% | very high |
| August Weather | 22°C (72°F) | 79 mm (3.1 inches) | 80% | very high |
| September Weather | 18°C (65°F) | 80 mm (3.2 inches) | 80% | high |
| October Weather | 12°C (53°F) | 107 mm (4.2 inches) | 84% | moderate |
| November Weather | 3°C (39°F) | 69 mm (2.7 inches) | 89% | moderate |
| December Weather | 0°C (32°F) | 54 mm (2.1 inches) | 86% | low |