Last updated: June 24, 2025
In December, the average temperature in Susquehanna, United States hovers around -1°C (31°F). Expect chilly conditions, with minimum temperatures dipping as low as -20°C (-4°F) and occasional peaks reaching 16°C (61°F). During this month, precipitation totals about 97 mm (3.8 in) over 13 days, contributing to an overall humidity level of 85%, which adds to the crisp winter atmosphere. Stay warm and prepared for unpredictable weather!
In December in Susquehanna, the average temperature is -1°C (31°F), with maximums reaching 16°C (61°F) and minimums dipping as low as -20°C (-4°F). Be prepared for a wide range of temperatures if you plan to travel to Susquehanna this month.
In Susquehanna in December, the precipitation amount is 97 mm (3.8 in) over the course of 13 days.
In Susquehanna in December, humidity is 85%. With an average temperature of -1°C (31°F), this humidity feels like an uncomfortable chill that makes any outdoor travel feel damp and biting, penetrating through layers of clothing and making each breath feel cold and heavy.
In Susquehanna 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 Susquehanna, you can visit Hourly UV Index in Susquehanna.
UV Risk Categories
Weather in Susquehanna varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Susquehanna, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (26°F) | 79 mm (3.1 inches) | 87% | moderate |
| February Weather | -2°C (29°F) | 96 mm (3.8 inches) | 85% | moderate |
| March Weather | 1°C (34°F) | 93 mm (3.7 inches) | 85% | high |
| April Weather | 8°C (46°F) | 127 mm (5.0 inches) | 83% | very high |
| May Weather | 14°C (57°F) | 137 mm (5.4 inches) | 75% | very high |
| June Weather | 19°C (66°F) | 115 mm (4.5 inches) | 73% | very high |
| July Weather | 22°C (71°F) | 132 mm (5.2 inches) | 65% | very high |
| August Weather | 21°C (69°F) | 125 mm (4.9 inches) | 62% | very high |
| September Weather | 17°C (63°F) | 101 mm (4.0 inches) | 66% | very high |
| October Weather | 11°C (53°F) | 146 mm (5.7 inches) | 79% | high |
| November Weather | 3°C (38°F) | 103 mm (4.1 inches) | 87% | moderate |
| December Weather | -1°C (31°F) | 97 mm (3.8 inches) | 85% | low |