Last updated: June 24, 2025
In December, the average temperature in Cleveland, United States hovers around 6°C (44°F), making it a cool time of year. You might experience temperatures that can dip as low as -9°C (16°F) or rise to a pleasant 25°C (78°F). Be prepared for some wet days, as 37 mm (1.4 in) of precipitation is expected over 4 days. Don't forget the average humidity level of 85%, which can make the air feel even cooler!
In December in Cleveland, the average temperature is 6°C (44°F). Maximums can reach 25°C (78°F), while minimums can drop as low as -9°C (16°F). This variation makes Cleveland a destination where travelers should be prepared for both mild and chilly weather, ensuring an enjoyable experience regardless of the temperature.
In Cleveland in December, the precipitation amount is 37 mm (1.4 in) over the course of 4 days.
In Cleveland in December, humidity is 85%. With an average temperature of 6°C (44°F), this humidity feels like a chilly dampness that seeps into your clothes, making travel uncomfortable and adding an extra layer of chill to the air.
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 | 3°C (38°F) | 63 mm (2.5 inches) | 77% | moderate |
| February Weather | 4°C (40°F) | 52 mm (2.0 inches) | 76% | high |
| March Weather | 12°C (53°F) | 100 mm (3.9 inches) | 71% | high |
| April Weather | 15°C (59°F) | 120 mm (4.7 inches) | 73% | very high |
| May Weather | 21°C (69°F) | 159 mm (6.2 inches) | 83% | very high |
| June Weather | 26°C (79°F) | 101 mm (4.0 inches) | 83% | extreme |
| July Weather | 28°C (83°F) | 92 mm (3.6 inches) | 81% | extreme |
| August Weather | 27°C (80°F) | 111 mm (4.4 inches) | 73% | very high |
| September Weather | 24°C (76°F) | 90 mm (3.5 inches) | 67% | very high |
| October Weather | 16°C (62°F) | 124 mm (4.9 inches) | 72% | high |
| November Weather | 10°C (50°F) | 37 mm (1.5 inches) | 82% | moderate |
| December Weather | 6°C (44°F) | 37 mm (1.4 inches) | 85% | moderate |