Last updated: June 24, 2025
In December, the average temperature in Manhattan, United States hovers around 1°C (34°F), with a minimum of -21°C (-5°F) and a maximum of 19°C (67°F). Expect about 56 mm (2.2 in) of precipitation over 7 days, and prepare for high humidity levels averaging 84%.
In December in Manhattan, the average temperature is 1°C (34°F). The maximum can reach 19°C (67°F), while the minimum can drop as low as -21°C (-5°F). It's important to pack for a range of temperatures if you're planning to travel during this month.
In Manhattan in December, the total precipitation amount is 56 mm (2.2 in) over a period of 7 days.
In Manhattan in December humidity is 84%. With an average temperature of 1°C (34°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and requiring extra layers to keep warm while navigating the damp air.
In Manhattan 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 Manhattan, you can visit Hourly UV Index in Manhattan.
UV Risk Categories
Weather in Manhattan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Manhattan, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -3°C (27°F) | 65 mm (2.6 inches) | 82% | moderate |
February Weather | -2°C (29°F) | 67 mm (2.6 inches) | 83% | moderate |
March Weather | 4°C (40°F) | 93 mm (3.7 inches) | 84% | high |
April Weather | 9°C (49°F) | 122 mm (4.8 inches) | 85% | very high |
May Weather | 16°C (62°F) | 159 mm (6.3 inches) | 79% | very high |
June Weather | 22°C (72°F) | 143 mm (5.6 inches) | 82% | very high |
July Weather | 24°C (76°F) | 114 mm (4.5 inches) | 80% | very high |
August Weather | 23°C (74°F) | 86 mm (3.4 inches) | 81% | very high |
September Weather | 20°C (68°F) | 81 mm (3.2 inches) | 80% | very high |
October Weather | 13°C (55°F) | 138 mm (5.4 inches) | 82% | high |
November Weather | 4°C (40°F) | 61 mm (2.4 inches) | 88% | moderate |
December Weather | 1°C (34°F) | 56 mm (2.2 inches) | 84% | low |