Last updated: June 24, 2025
In December, the average temperature in Stuart, United States hovers around -1°C (31°F), with the potential for a chilly minimum of -23°C (-10°F) and a surprising maximum of 22°C (72°F). Expect around 37 mm (1.4 in) of precipitation spread over 5 days, while the air maintains a damp average humidity of 83%. Stay prepared for fluctuating weather conditions!
In December in Stuart, the average temperature is -1°C (31°F). Maximum temperatures can reach 22°C (72°F), while minimums can dip as low as -23°C (-10°F). Be prepared for a wide range of temperatures if you plan to travel during this month.
In Stuart in December, the precipitation amount is 37 mm (1.4 in) spread over a duration of 5 days.
In Stuart in December humidity is 83%. With an average temperature of -1°C (31°F), this humidity feels like a heavy, icy blanket enveloping you, making each step outside feel like a struggle against the cold, damp air that clings to your skin, often leaving you wishing for warmth and refuge indoors.
In Stuart in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Stuart, you can check the information here.
UV Risk Categories
Weather in Stuart varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Stuart, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (23°F) | 35 mm (1.4 inches) | 78% | moderate |
| February Weather | -4°C (24°F) | 38 mm (1.5 inches) | 80% | moderate |
| March Weather | 4°C (40°F) | 84 mm (3.3 inches) | 77% | high |
| April Weather | 10°C (49°F) | 69 mm (2.7 inches) | 77% | very high |
| May Weather | 17°C (62°F) | 177 mm (7.0 inches) | 77% | very high |
| June Weather | 23°C (75°F) | 113 mm (4.4 inches) | 81% | extreme |
| July Weather | 25°C (77°F) | 70 mm (2.8 inches) | 81% | very high |
| August Weather | 23°C (74°F) | 96 mm (3.8 inches) | 77% | very high |
| September Weather | 20°C (69°F) | 102 mm (4.0 inches) | 73% | very high |
| October Weather | 11°C (52°F) | 118 mm (4.7 inches) | 75% | high |
| November Weather | 4°C (39°F) | 35 mm (1.4 inches) | 85% | moderate |
| December Weather | -1°C (31°F) | 37 mm (1.4 inches) | 83% | moderate |