Last updated: June 24, 2025
In December, the average temperature in Bay Shore, United States hovers around -2°C (29°F), with extremes ranging from a chilly -17°C (2°F) to a more mild 14°C (57°F). Expect considerable precipitation, totaling 91 mm (3.6 in) over 17 days, while the air remains quite damp with an average humidity of 87%.
In December in Bay Shore, the average temperature is -2°C (29°F). The maximum can reach 14°C (57°F), and the minimum can be as low as -17°C (2°F). Travelers should be prepared for a wide range of temperatures, from chilly to mild, while enjoying the scenic winter landscape.
In Bay Shore in December, the precipitation amount is 91 mm (3.6 in) over the course of 17 days.
In Bay Shore in December humidity is 87%. With an average temperature of -2°C (29°F), this humidity feels like an uncomfortable chill that seeps into your bones, making it challenging to enjoy outdoor activities.
In Bay Shore 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 Bay Shore, you can visit Hourly UV Index in Bay Shore.
UV Risk Categories
Weather in Bay Shore varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Bay Shore, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (23°F) | 65 mm (2.6 inches) | 91% | low |
| February Weather | -5°C (23°F) | 76 mm (3.0 inches) | 91% | moderate |
| March Weather | -1°C (30°F) | 63 mm (2.5 inches) | 87% | moderate |
| April Weather | 4°C (39°F) | 99 mm (3.9 inches) | 87% | high |
| May Weather | 10°C (49°F) | 108 mm (4.3 inches) | 82% | very high |
| June Weather | 16°C (60°F) | 103 mm (4.1 inches) | 79% | very high |
| July Weather | 20°C (68°F) | 89 mm (3.5 inches) | 75% | very high |
| August Weather | 20°C (68°F) | 97 mm (3.8 inches) | 76% | very high |
| September Weather | 16°C (62°F) | 90 mm (3.5 inches) | 79% | high |
| October Weather | 10°C (50°F) | 159 mm (6.3 inches) | 83% | moderate |
| November Weather | 3°C (37°F) | 97 mm (3.8 inches) | 86% | moderate |
| December Weather | -2°C (29°F) | 91 mm (3.6 inches) | 87% | low |