Last updated: June 24, 2025
In December, the average temperature in Cleveland, United States hovers around 7°C (45°F). Expect fluctuations as temperatures can dip to a chilly -7°C (20°F) or rise to a warm 24°C (76°F). With 117 mm (4.6 in) of precipitation spread over 9 days, you'll want to be prepared for some wet weather. Additionally, the average humidity is high at 87%, adding a refreshing touch to the atmosphere.
In December in Cleveland, the average temperature is 7°C (45°F). Maximums can reach 24°C (76°F) and minimums can drop as low as -7°C (20°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.
In Cleveland in December, the total precipitation amount is 117 mm (4.6 in) spread over a period of 9 days.
In Cleveland in December, humidity is 87%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures somewhat uncomfortable and urging travelers to seek refuge in cozy cafes or warm indoor activities.
In Cleveland in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Cleveland, you can check the information here.
UV Risk Categories
Weather in Cleveland varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Cleveland, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (42°F) | 88 mm (3.5 inches) | 86% | moderate |
| February Weather | 8°C (47°F) | 120 mm (4.7 inches) | 85% | high |
| March Weather | 11°C (52°F) | 89 mm (3.5 inches) | 84% | very high |
| April Weather | 16°C (61°F) | 115 mm (4.5 inches) | 82% | very high |
| May Weather | 21°C (70°F) | 123 mm (4.9 inches) | 83% | very high |
| June Weather | 24°C (76°F) | 89 mm (3.5 inches) | 82% | extreme |
| July Weather | 27°C (80°F) | 90 mm (3.5 inches) | 80% | very high |
| August Weather | 25°C (78°F) | 109 mm (4.3 inches) | 74% | very high |
| September Weather | 23°C (73°F) | 133 mm (5.2 inches) | 75% | very high |
| October Weather | 18°C (64°F) | 112 mm (4.4 inches) | 79% | very high |
| November Weather | 10°C (50°F) | 89 mm (3.5 inches) | 87% | moderate |
| December Weather | 7°C (45°F) | 117 mm (4.6 inches) | 87% | moderate |