Last updated: June 24, 2025
In December, the average temperature in Eustis, United States hovers around -7°C (19°F), with extremes dipping to a chilling -28°C (-19°F) and peaking at a mild 12°C (55°F). Expect 11 days of precipitation, totaling approximately 89 mm (3.5 in), all while maintaining an average humidity level of 85%. Stay warm and prepared for the elements!
In December in Eustis, the average temperature is -7°C (19°F), with maximums reaching 12°C (55°F) and minimums dropping as low as -28°C (-19°F). Travelers should be prepared for a wide range of temperatures and dress in layers to stay comfortable during their visit.
In Eustis in December, the precipitation amount is 89 mm (3.5 in) over a span of 11 days.
In Eustis in December, humidity is 85%. With an average temperature of -7°C (19°F), this humidity feels like a biting chill that permeates your clothes, making any outdoor travel uncomfortable and requiring careful planning to stay warm and dry.
In Eustis 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 Eustis, you can visit Hourly UV Index in Eustis.
UV Risk Categories
Weather in Eustis varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Eustis, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -10°C (14°F) | 82 mm (3.2 inches) | 91% | low |
| February Weather | -9°C (17°F) | 81 mm (3.2 inches) | 89% | moderate |
| March Weather | -5°C (24°F) | 75 mm (3.0 inches) | 85% | high |
| April Weather | 2°C (36°F) | 108 mm (4.2 inches) | 84% | very high |
| May Weather | 10°C (50°F) | 99 mm (3.9 inches) | 78% | very high |
| June Weather | 15°C (60°F) | 95 mm (3.7 inches) | 72% | very high |
| July Weather | 18°C (65°F) | 105 mm (4.1 inches) | 75% | very high |
| August Weather | 17°C (63°F) | 99 mm (3.9 inches) | 74% | very high |
| September Weather | 13°C (56°F) | 68 mm (2.7 inches) | 77% | high |
| October Weather | 7°C (44°F) | 121 mm (4.8 inches) | 85% | moderate |
| November Weather | -1°C (30°F) | 99 mm (3.9 inches) | 86% | moderate |
| December Weather | -7°C (19°F) | 89 mm (3.5 inches) | 85% | low |