Last updated: June 24, 2025
In December, the average temperature in Melrose, United States hovers around -6°C (21°F), with potential extremes ranging from a chilly -28°C (-19°F) to a milder 9°C (49°F). Expect around 45 mm (1.8 in) of precipitation spread over 7 days, contributing to an average humidity of 84%. Stay warm and prepared for the cold!
In December in Melrose, the average temperature is -6°C (21°F). The maximum can reach 9°C (49°F), while the minimum can drop as low as -28°C (-19°F). Be prepared for harsh winter conditions and dress warmly if you plan to travel during this time.
In Melrose in December, the precipitation amount is 45 mm (1.8 in) spread over a duration of 7 days.
In Melrose in December humidity is 84%. With an average temperature of -6°C (21°F), this humidity feels like an icy blanket enveloping you, making travel uncomfortable as the cold dampness seeps into your bones and slows your movements, turning each step into a shivering struggle.
In Melrose 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 Melrose, you can visit Hourly UV Index in Melrose.
UV Risk Categories
Weather in Melrose varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Melrose, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -10°C (14°F) | 19 mm (0.8 inches) | 87% | low |
| February Weather | -10°C (14°F) | 22 mm (0.8 inches) | 90% | moderate |
| March Weather | -1°C (31°F) | 44 mm (1.7 inches) | 85% | moderate |
| April Weather | 5°C (41°F) | 73 mm (2.9 inches) | 84% | high |
| May Weather | 14°C (57°F) | 88 mm (3.5 inches) | 78% | very high |
| June Weather | 21°C (70°F) | 75 mm (2.9 inches) | 80% | very high |
| July Weather | 23°C (73°F) | 100 mm (3.9 inches) | 81% | very high |
| August Weather | 20°C (69°F) | 131 mm (5.2 inches) | 81% | very high |
| September Weather | 17°C (62°F) | 113 mm (4.4 inches) | 81% | high |
| October Weather | 8°C (46°F) | 99 mm (3.9 inches) | 84% | moderate |
| November Weather | -1°C (31°F) | 28 mm (1.1 inches) | 88% | moderate |
| December Weather | -6°C (21°F) | 45 mm (1.8 inches) | 84% | low |