Last updated: June 24, 2025
In December, the average temperature in Montrose, United States hovers around 0°C (33°F). Expect chilly days, with minimums dipping to -17°C (1°F) and highs reaching up to 16°C (61°F). Be prepared for some wet weather, as precipitation averages 83 mm (3.3 in) over 11 days, and humidity levels are notably high at 85%.
In December in Montrose, the average temperature is 0°C (33°F), with maximums reaching up to 16°C (61°F) and minimums plummeting to as low as -17°C (1°F). Travelers should be prepared for a wide range of temperatures during this time, which can make packing for your trip a bit challenging.
In Montrose in December, the precipitation amount is 83 mm (3.3 in) over the course of 11 days.
In Montrose in December, humidity is 85%. With an average temperature of 0°C (33°F), this humidity feels like a heavy blanket, making the air feel colder and more biting, while creating an uncomfortable clamminess that can dampen the thrill of traveling.
In Montrose 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 Montrose, you can visit Hourly UV Index in Montrose.
UV Risk Categories
Weather in Montrose varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Montrose, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (28°F) | 70 mm (2.8 inches) | 87% | moderate |
| February Weather | -1°C (30°F) | 86 mm (3.4 inches) | 85% | moderate |
| March Weather | 2°C (36°F) | 87 mm (3.4 inches) | 85% | high |
| April Weather | 8°C (47°F) | 109 mm (4.3 inches) | 83% | very high |
| May Weather | 15°C (59°F) | 132 mm (5.2 inches) | 75% | very high |
| June Weather | 20°C (67°F) | 95 mm (3.8 inches) | 73% | very high |
| July Weather | 23°C (73°F) | 113 mm (4.5 inches) | 65% | very high |
| August Weather | 21°C (71°F) | 106 mm (4.2 inches) | 62% | very high |
| September Weather | 18°C (64°F) | 93 mm (3.7 inches) | 66% | very high |
| October Weather | 12°C (54°F) | 127 mm (5.0 inches) | 79% | high |
| November Weather | 4°C (40°F) | 91 mm (3.6 inches) | 87% | moderate |
| December Weather | 0°C (33°F) | 83 mm (3.3 inches) | 85% | low |