Last updated: June 24, 2025
In December, the average temperature in Trumansburg, United States hovers around 0°C (32°F), with a chilly minimum of -17°C (2°F) and a peak of 17°C (63°F). Expect 91 mm (3.6 in) of precipitation spread across 15 days, contributing to an average humidity of 86%. Prepare for a wet and crisp month!
In December in Trumansburg, the average temperature is 0°C (32°F). Maximums can reach 17°C (63°F), and minimums can be as low as -17°C (2°F). Travelers should be prepared for chilly weather and pack accordingly to enjoy their visit.
In Trumansburg in December, the total precipitation amount is 91 mm (3.6 in) over a span of 15 days.
In Trumansburg in December humidity is 86%. With an average temperature of 0°C (32°F), this humidity feels like a biting chill that seeps into your bones, making travel feel uncomfortable and damp, as the cold air combines with the moisture to create a brisk sensation that may deter outdoor exploration.
In Trumansburg 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 Trumansburg, you can visit Hourly UV Index in Trumansburg.
UV Risk Categories
Weather in Trumansburg varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Trumansburg, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 76 mm (3.0 inches) | 90% | moderate |
| February Weather | -2°C (28°F) | 85 mm (3.4 inches) | 90% | moderate |
| March Weather | 1°C (35°F) | 80 mm (3.2 inches) | 87% | high |
| April Weather | 8°C (46°F) | 111 mm (4.4 inches) | 88% | very high |
| May Weather | 14°C (58°F) | 119 mm (4.7 inches) | 82% | very high |
| June Weather | 19°C (67°F) | 90 mm (3.5 inches) | 79% | very high |
| July Weather | 22°C (72°F) | 135 mm (5.3 inches) | 78% | very high |
| August Weather | 21°C (71°F) | 86 mm (3.4 inches) | 76% | very high |
| September Weather | 18°C (64°F) | 82 mm (3.2 inches) | 78% | very high |
| October Weather | 12°C (54°F) | 144 mm (5.7 inches) | 84% | high |
| November Weather | 4°C (39°F) | 89 mm (3.5 inches) | 89% | moderate |
| December Weather | 0°C (32°F) | 91 mm (3.6 inches) | 86% | low |