Last updated: June 24, 2025
In December, the average temperature in Brookfield, United States hovers around -2°C (29°F), with a striking range where the minimum can plunge to -24°C (-11°F) and the maximum can reach a mild 16°C (60°F). Expect about 125 mm (4.9 in) of precipitation spread over 10 days, contributing to an average humidity of 81%. Be prepared for a chilly yet enchanting environment!
In December in Brookfield, the average temperature is -2°C (29°F), with maximums reaching 16°C (60°F) and minimums dropping as low as -24°C (-11°F). Travelers should be prepared for a wide range of temperatures, so layering is essential for comfort during activities.
In Brookfield in December, the precipitation amount is 125 mm (4.9 in) spread over a period of 10 days.
In Brookfield in December humidity is 81%. With an average temperature of -2°C (29°F), this humidity feels like an uncomfortable chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay warm while traveling.
In Brookfield 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 Brookfield, you can visit Hourly UV Index in Brookfield.
UV Risk Categories
Weather in Brookfield varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Brookfield, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (24°F) | 79 mm (3.1 inches) | 86% | moderate |
| February Weather | -3°C (27°F) | 89 mm (3.5 inches) | 84% | moderate |
| March Weather | 1°C (33°F) | 80 mm (3.2 inches) | 82% | moderate |
| April Weather | 7°C (45°F) | 132 mm (5.2 inches) | 80% | very high |
| May Weather | 14°C (57°F) | 77 mm (3.0 inches) | 72% | very high |
| June Weather | 19°C (67°F) | 93 mm (3.7 inches) | 72% | very high |
| July Weather | 22°C (72°F) | 153 mm (6.0 inches) | 67% | very high |
| August Weather | 22°C (71°F) | 87 mm (3.4 inches) | 66% | very high |
| September Weather | 18°C (64°F) | 73 mm (2.9 inches) | 71% | high |
| October Weather | 11°C (52°F) | 126 mm (5.0 inches) | 78% | moderate |
| November Weather | 3°C (38°F) | 111 mm (4.4 inches) | 84% | moderate |
| December Weather | -2°C (29°F) | 125 mm (4.9 inches) | 81% | low |