Last updated: June 24, 2025
In Douglas, United States, the average temperature in December hovers around -2°C (29°F), but be prepared for a range: it can dip as low as -22°C (-7°F) and rise to a pleasant 19°C (66°F). With 25 mm (1.0 in) of precipitation spread over about 6 days, you might want to carry an umbrella alongside your winter gear. The average humidity sits at a cozy 81%, adding to the chilly yet inviting atmosphere of the season.
In December in Douglas, the average temperature is -2°C (29°F), with maximums reaching up to 19°C (66°F) and minimums dropping as low as -22°C (-7°F). This wide temperature range means that travelers should be well-prepared for chilly conditions, as well as the potential for warmer days.
In Douglas in December, the precipitation amount is 25 mm (1.0 in) spread over 6 days.
In Douglas in December humidity is 81%. With an average temperature of -2°C (29°F), this humidity feels like an uncomfortable chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay warm while traveling.
In Douglas 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 Douglas, you can check the information here.
UV Risk Categories
Weather in Douglas varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Douglas, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 20 mm (0.8 inches) | 79% | moderate |
| February Weather | -6°C (22°F) | 32 mm (1.3 inches) | 81% | high |
| March Weather | 1°C (35°F) | 56 mm (2.2 inches) | 70% | high |
| April Weather | 5°C (41°F) | 60 mm (2.4 inches) | 67% | extreme |
| May Weather | 10°C (51°F) | 83 mm (3.3 inches) | 70% | very high |
| June Weather | 19°C (66°F) | 44 mm (1.7 inches) | 75% | extreme |
| July Weather | 23°C (73°F) | 35 mm (1.4 inches) | 76% | extreme |
| August Weather | 21°C (70°F) | 30 mm (1.2 inches) | 76% | very high |
| September Weather | 16°C (62°F) | 35 mm (1.4 inches) | 72% | very high |
| October Weather | 6°C (43°F) | 46 mm (1.8 inches) | 70% | high |
| November Weather | 2°C (36°F) | 26 mm (1.0 inches) | 76% | moderate |
| December Weather | -2°C (29°F) | 25 mm (1.0 inches) | 81% | moderate |