Last updated: June 24, 2025
In Port Ewen, United States, the average temperature in December hovers around 0°C (33°F), with extremes ranging from a chilly -19°C (-2°F) to a mild 16°C (62°F). Expect about 108 mm (4.2 in) of precipitation over 10 days, and a notably high average humidity of 80% during this time.
In December in Port Ewen, the average temperature is 0°C (33°F). The maximum can reach 16°C (62°F) and the minimum can be as low as -19°C (-2°F). Travelers should be prepared for a wide range of temperatures, from chilly to mild, during this time.
In Port Ewen in December, the precipitation amount is 108 mm (4.2 in) distributed over a duration of 10 days.
In Port Ewen in December humidity is 80%. With an average temperature of 0°C (33°F), this humidity feels like an uncomfortable chill that clings to your skin, making travel feel damp and frigid, as if each breath is infused with brisk moisture that can seep through your layers.
In Port Ewen 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 Port Ewen, you can visit Hourly UV Index in Port Ewen.
UV Risk Categories
Weather in Port Ewen varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Port Ewen, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (28°F) | 74 mm (2.9 inches) | 84% | moderate |
| February Weather | -1°C (31°F) | 92 mm (3.6 inches) | 82% | moderate |
| March Weather | 3°C (37°F) | 85 mm (3.3 inches) | 81% | high |
| April Weather | 9°C (48°F) | 141 mm (5.6 inches) | 78% | very high |
| May Weather | 15°C (59°F) | 126 mm (5.0 inches) | 69% | very high |
| June Weather | 20°C (68°F) | 100 mm (3.9 inches) | 69% | very high |
| July Weather | 23°C (74°F) | 149 mm (5.9 inches) | 62% | very high |
| August Weather | 22°C (72°F) | 126 mm (4.9 inches) | 65% | very high |
| September Weather | 18°C (65°F) | 98 mm (3.8 inches) | 68% | very high |
| October Weather | 13°C (55°F) | 153 mm (6.0 inches) | 74% | high |
| November Weather | 5°C (41°F) | 97 mm (3.8 inches) | 82% | moderate |
| December Weather | 0°C (33°F) | 108 mm (4.2 inches) | 80% | low |