Last updated: June 24, 2025
In December, the average temperature in Montevallo, United States hovers around 10°C (51°F). Expect a chilly minimum of -6°C (22°F), while temperatures can peak at a pleasant 25°C (77°F). During this month, precipitation accumulates to 139 mm (5.5 in) over 13 days, contributing to an average humidity of 88%. Prepare for a refreshing, albeit damp, experience!
In December in Montevallo, the average temperature is 10°C (51°F). Maximum temperatures can reach 25°C (77°F), while the minimum can drop as low as -6°C (22°F). This variation in temperature makes Montevallo an ideal destination for travelers seeking both mild weather and the possibility of crisp, cooler days.
In Montevallo in December, the precipitation amount is 139 mm (5.5 in) over the course of 13 days.
In Montevallo in December, humidity is 88%. With an average temperature of 10°C (51°F), this humidity feels like a thick blanket of moisture enveloping you, making every step feel heavier and leaving you yearning for a refreshing breeze as you navigate the streets.
In Montevallo in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Montevallo for better planning.
UV Risk Categories
Weather in Montevallo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Montevallo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 9°C (48°F) | 107 mm (4.2 inches) | 85% | moderate |
| February Weather | 12°C (54°F) | 157 mm (6.2 inches) | 84% | high |
| March Weather | 15°C (59°F) | 135 mm (5.3 inches) | 82% | very high |
| April Weather | 18°C (64°F) | 142 mm (5.6 inches) | 82% | very high |
| May Weather | 23°C (73°F) | 117 mm (4.6 inches) | 81% | extreme |
| June Weather | 25°C (78°F) | 155 mm (6.1 inches) | 77% | extreme |
| July Weather | 27°C (81°F) | 111 mm (4.4 inches) | 77% | extreme |
| August Weather | 27°C (80°F) | 123 mm (4.8 inches) | 72% | extreme |
| September Weather | 25°C (77°F) | 82 mm (3.2 inches) | 73% | very high |
| October Weather | 20°C (68°F) | 130 mm (5.1 inches) | 73% | very high |
| November Weather | 12°C (54°F) | 85 mm (3.3 inches) | 85% | high |
| December Weather | 10°C (51°F) | 139 mm (5.5 inches) | 88% | moderate |