Last updated: June 24, 2025
In Yorktown Heights, United States, the average temperature in December hovers around 2°C (36°F), with minimums dipping to -13°C (9°F) and maximums reaching 16°C (62°F). Expect about 109 mm (4.3 in) of precipitation spread over 11 days, contributing to the area's average humidity of 80%.
In December in Yorktown Heights, the average temperature is 2°C (36°F). The maximum can reach 16°C (62°F), while the minimum can drop to -13°C (9°F). Travelers should be prepared for cold weather and dress in layers to stay comfortable during their visit.
In Yorktown Heights in December, the precipitation amount is 109 mm (4.3 in), occurring over a span of 11 days.
In Yorktown Heights in December humidity is 80%. With an average temperature of 2°C (36°F), this humidity feels like a heavy, damp chill that seeps into your bones, making it challenging for outdoor adventures and often necessitating layered clothing to stay warm and comfortable while exploring.
In Yorktown Heights 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 Yorktown Heights, you can visit Hourly UV Index in Yorktown Heights.
UV Risk Categories
Weather in Yorktown Heights varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Yorktown Heights, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (32°F) | 70 mm (2.7 inches) | 84% | moderate |
| February Weather | 1°C (34°F) | 100 mm (3.9 inches) | 82% | moderate |
| March Weather | 4°C (40°F) | 90 mm (3.5 inches) | 81% | high |
| April Weather | 10°C (50°F) | 119 mm (4.7 inches) | 78% | very high |
| May Weather | 15°C (60°F) | 116 mm (4.6 inches) | 69% | very high |
| June Weather | 21°C (70°F) | 93 mm (3.7 inches) | 69% | very high |
| July Weather | 24°C (76°F) | 136 mm (5.4 inches) | 62% | very high |
| August Weather | 23°C (74°F) | 116 mm (4.6 inches) | 65% | very high |
| September Weather | 20°C (68°F) | 114 mm (4.5 inches) | 68% | very high |
| October Weather | 14°C (58°F) | 139 mm (5.5 inches) | 74% | high |
| November Weather | 7°C (44°F) | 90 mm (3.5 inches) | 82% | moderate |
| December Weather | 2°C (36°F) | 109 mm (4.3 inches) | 80% | low |