Last updated: June 24, 2025
In December, the average temperature in Adams, United States hovers around -3°C (26°F). However, be prepared for a range that can drop to a chilling -23°C (-9°F) or rise to a pleasant 19°C (67°F). Expect approximately 37 mm (1.4 in) of precipitation over 6 days, along with a notable average humidity of 83%.
In December in Adams, the average temperature is -3°C (26°F), with maximums reaching 19°C (67°F) and minimums dropping as low as -23°C (-9°F). Be prepared for chilly weather and substantial fluctuations in temperature if you plan to travel during this time.
In Adams in December, the precipitation amount is 37 mm (1.4 in) over a span of 6 days.
In Adams in December, humidity is 83%. With an average temperature of -3°C (26°F), this humidity feels like a heavy blanket of cold air enveloping you, making it challenging to stay warm while traveling. The dampness seeps into your clothing, creating an uncomfortable chill that lingers even indoors, often requiring extra layers and careful planning for outdoor activities.
In Adams 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 Adams, you can check the information here.
UV Risk Categories
Weather in Adams varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Adams, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (18°F) | 36 mm (1.4 inches) | 82% | moderate |
| February Weather | -8°C (18°F) | 47 mm (1.8 inches) | 84% | moderate |
| March Weather | 1°C (34°F) | 66 mm (2.6 inches) | 80% | moderate |
| April Weather | 7°C (45°F) | 80 mm (3.1 inches) | 81% | very high |
| May Weather | 15°C (59°F) | 152 mm (6.0 inches) | 74% | very high |
| June Weather | 22°C (71°F) | 133 mm (5.2 inches) | 80% | very high |
| July Weather | 23°C (73°F) | 90 mm (3.5 inches) | 80% | very high |
| August Weather | 21°C (70°F) | 104 mm (4.1 inches) | 77% | very high |
| September Weather | 18°C (64°F) | 112 mm (4.4 inches) | 75% | very high |
| October Weather | 9°C (49°F) | 115 mm (4.5 inches) | 80% | moderate |
| November Weather | 1°C (34°F) | 50 mm (2.0 inches) | 87% | moderate |
| December Weather | -3°C (26°F) | 37 mm (1.4 inches) | 83% | moderate |