Last updated: June 24, 2025
In Dexter, United States, the average temperature in December hovers around -1°C (30°F), with extremes ranging from a chilly -23°C (-10°F) to a mild 14°C (57°F). Expect about 108 mm (4.2 in) of precipitation over 15 days, contributing to an average humidity level of 86%. Prepare for a cold and damp month!
In December, the weather in Dexter is quite cold, with an average temperature of -1°C (30°F). Maximum temperatures can reach up to 14°C (57°F), while the minimum can drop as low as -23°C (-10°F). It's essential to pack warm clothing and prepare for a range of temperatures if you're planning to visit.
In Dexter in December, the total precipitation amount is 108 mm (4.2 in) over a period of 15 days.
In Dexter in December, humidity is 86%. With an average temperature of -1°C (30°F), this humidity feels like a heavy blanket wrapping around you, making traveling feel much colder and more uncomfortable than the temperature suggests.
In Dexter 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 Dexter, you can visit Hourly UV Index in Dexter.
UV Risk Categories
Weather in Dexter varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Dexter, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (23°F) | 93 mm (3.7 inches) | 90% | low |
| February Weather | -4°C (25°F) | 88 mm (3.5 inches) | 90% | moderate |
| March Weather | 0°C (32°F) | 86 mm (3.4 inches) | 87% | high |
| April Weather | 6°C (43°F) | 123 mm (4.9 inches) | 88% | very high |
| May Weather | 13°C (56°F) | 103 mm (4.1 inches) | 82% | very high |
| June Weather | 18°C (65°F) | 97 mm (3.8 inches) | 79% | very high |
| July Weather | 22°C (72°F) | 145 mm (5.7 inches) | 78% | very high |
| August Weather | 21°C (70°F) | 107 mm (4.2 inches) | 76% | very high |
| September Weather | 17°C (63°F) | 78 mm (3.1 inches) | 78% | high |
| October Weather | 11°C (53°F) | 160 mm (6.3 inches) | 84% | moderate |
| November Weather | 4°C (39°F) | 127 mm (5.0 inches) | 89% | moderate |
| December Weather | -1°C (30°F) | 108 mm (4.2 inches) | 86% | low |