Last updated: June 24, 2025
In Gypsum, United States, the average temperature in December hovers around -8°C (19°F), but don’t be surprised by the extremes—minimums can plummet to -27°C (-16°F), while the mercury may rise to a maximum of 11°C (53°F). Expect 55 mm (2.2 in) of precipitation spread over 10 days, contributing to a notably high average humidity of 89%. Stay prepared for a frosty adventure!
In December in Gypsum, the average temperature is -8°C (19°F). Maximum temperatures can reach 11°C (53°F), while minimums can drop as low as -27°C (-16°F). Be prepared for a wide range of temperatures, from chilly days to colder nights, when traveling during this time.
In Gypsum in December, the precipitation amount is 55 mm (2.2 in) spread over a duration of 10 days.
In Gypsum in December humidity is 89%. With an average temperature of -8°C (19°F), this humidity feels like a biting chill, making it crucial for travelers to bundle up and prepare for the damp, cold air that penetrates even the warmest clothing.
In Gypsum in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Gypsum for better planning.
UV Risk Categories
Weather in Gypsum varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Gypsum, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (19°F) | 53 mm (2.1 inches) | 88% | moderate |
| February Weather | -6°C (21°F) | 74 mm (2.9 inches) | 87% | high |
| March Weather | -1°C (30°F) | 61 mm (2.4 inches) | 81% | very high |
| April Weather | 1°C (35°F) | 57 mm (2.2 inches) | 76% | extreme |
| May Weather | 6°C (44°F) | 53 mm (2.1 inches) | 66% | extreme |
| June Weather | 14°C (57°F) | 34 mm (1.4 inches) | 58% | extreme |
| July Weather | 18°C (64°F) | 39 mm (1.5 inches) | 52% | extreme |
| August Weather | 17°C (62°F) | 33 mm (1.3 inches) | 56% | extreme |
| September Weather | 13°C (55°F) | 24 mm (0.9 inches) | 65% | very high |
| October Weather | 3°C (38°F) | 56 mm (2.2 inches) | 76% | high |
| November Weather | -3°C (27°F) | 45 mm (1.8 inches) | 82% | moderate |
| December Weather | -8°C (19°F) | 55 mm (2.2 inches) | 89% | moderate |