Last updated: June 24, 2025
In December, the average temperature in Sinclairville, United States hovers around 0°C (32°F), with a minimum plunge down to -17°C (2°F) and a maximum rise to 17°C (62°F). Expect an average of 124 mm (4.9 in) of precipitation over 18 days, contributing to a high average humidity of 87%. Be prepared for a chill in the air and potential for wet conditions!
In December in Sinclairville, the average temperature is 0°C (32°F). Maximum temperatures can reach 17°C (62°F), while minimums can drop as low as -17°C (2°F). Be prepared for a wide range of temperatures, and pack accordingly for your trip!
In Sinclairville in December, the precipitation amount is 124 mm (4.9 in) over a span of 18 days.
In Sinclairville in December, humidity is 87%. With an average temperature of 0°C (32°F), this humidity feels like a damp chill that clings to your skin, making travel uncomfortable and cold, as each breath brings a heavy moisture that seeps into your clothes.
In Sinclairville 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 Sinclairville, you can visit Hourly UV Index in Sinclairville.
UV Risk Categories
Weather in Sinclairville varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sinclairville, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (26°F) | 103 mm (4.1 inches) | 91% | moderate |
| February Weather | -2°C (28°F) | 108 mm (4.2 inches) | 91% | moderate |
| March Weather | 1°C (35°F) | 103 mm (4.0 inches) | 88% | high |
| April Weather | 7°C (45°F) | 127 mm (5.0 inches) | 88% | very high |
| May Weather | 14°C (58°F) | 130 mm (5.1 inches) | 82% | very high |
| June Weather | 19°C (66°F) | 147 mm (5.8 inches) | 79% | very high |
| July Weather | 21°C (71°F) | 164 mm (6.4 inches) | 77% | very high |
| August Weather | 20°C (69°F) | 118 mm (4.6 inches) | 72% | very high |
| September Weather | 17°C (63°F) | 90 mm (3.5 inches) | 76% | very high |
| October Weather | 12°C (53°F) | 153 mm (6.0 inches) | 83% | high |
| November Weather | 3°C (38°F) | 132 mm (5.2 inches) | 88% | moderate |
| December Weather | 0°C (32°F) | 124 mm (4.9 inches) | 87% | low |