Last updated: June 24, 2025
In December, the average temperature in Carrolltown, United States is a chilly 1°C (33°F). Expect a temperature range that can dip as low as -16°C (3°F) and reach a maximum of 18°C (64°F). During this time, 107 mm (4.2 in) of precipitation typically falls over 13 days, contributing to a high average humidity of 88%.
In December in Carrolltown, the average temperature is 1°C (33°F). The maximum can reach 18°C (64°F), and the minimum can be as low as -16°C (3°F). Be prepared for a wide range of temperatures, so plan your wardrobe accordingly for your visit to Carrolltown.
In Carrolltown in December, the total precipitation amount is 107 mm (4.2 in) distributed over a span of 13 days.
In Carrolltown in December humidity is 88%. With an average temperature of 1°C (33°F), this humidity feels like a damp chill wrapping around you, making it difficult to stay warm while traveling, as each breath carries a heavy, cold moisture that clings to your skin.
In Carrolltown 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 Carrolltown, you can check the information here.
UV Risk Categories
Weather in Carrolltown varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Carrolltown, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (28°F) | 86 mm (3.4 inches) | 89% | moderate |
| February Weather | 0°C (32°F) | 123 mm (4.8 inches) | 90% | moderate |
| March Weather | 3°C (38°F) | 106 mm (4.2 inches) | 89% | high |
| April Weather | 9°C (48°F) | 127 mm (5.0 inches) | 88% | very high |
| May Weather | 15°C (59°F) | 146 mm (5.8 inches) | 80% | very high |
| June Weather | 19°C (67°F) | 127 mm (5.0 inches) | 79% | very high |
| July Weather | 22°C (72°F) | 125 mm (4.9 inches) | 74% | very high |
| August Weather | 21°C (71°F) | 98 mm (3.8 inches) | 64% | very high |
| September Weather | 18°C (65°F) | 130 mm (5.1 inches) | 67% | very high |
| October Weather | 12°C (54°F) | 114 mm (4.5 inches) | 81% | high |
| November Weather | 4°C (39°F) | 88 mm (3.5 inches) | 89% | moderate |
| December Weather | 1°C (33°F) | 107 mm (4.2 inches) | 88% | moderate |