Last updated: June 24, 2025
In December, the average temperature in Fountain City, United States hovers around -4°C (26°F), with extremes ranging from a chilly -27°C (-17°F) to a moderate high of 17°C (63°F). Expect about 45 mm (1.8 in) of precipitation spread over 7 days, resulting in an average humidity of 85%. Prepare accordingly for a cold and damp month!
In December in Fountain City, the average temperature is -4°C (26°F). The maximum can reach 17°C (63°F) while the minimum can drop as low as -27°C (-17°F). Travelers should be prepared for a wide range of temperatures, from chilly days to unexpectedly warm spells.
In Fountain City in December, the precipitation amount is 45 mm (1.8 in) spread over a duration of 7 days.
In Fountain City in December humidity is 85%. With an average temperature of -4°C (26°F), this humidity feels like a biting chill that seeps through your layers, making travel uncomfortable and urging you to seek warmth quickly.
In Fountain City 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 Fountain City, you can visit Hourly UV Index in Fountain City.
UV Risk Categories
Weather in Fountain City varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Fountain City, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (18°F) | 34 mm (1.3 inches) | 88% | low |
| February Weather | -7°C (19°F) | 48 mm (1.9 inches) | 89% | moderate |
| March Weather | 1°C (35°F) | 55 mm (2.2 inches) | 86% | moderate |
| April Weather | 7°C (45°F) | 92 mm (3.6 inches) | 85% | very high |
| May Weather | 15°C (59°F) | 147 mm (5.8 inches) | 79% | very high |
| June Weather | 21°C (71°F) | 147 mm (5.8 inches) | 80% | very high |
| July Weather | 23°C (74°F) | 99 mm (3.9 inches) | 80% | very high |
| August Weather | 21°C (70°F) | 133 mm (5.2 inches) | 78% | very high |
| September Weather | 18°C (64°F) | 112 mm (4.4 inches) | 80% | high |
| October Weather | 9°C (49°F) | 115 mm (4.5 inches) | 84% | moderate |
| November Weather | 1°C (35°F) | 51 mm (2.0 inches) | 89% | moderate |
| December Weather | -4°C (26°F) | 45 mm (1.8 inches) | 85% | low |