Last updated: June 24, 2025
In December, the average temperature in New Berlin, United States hovers around 2°C (35°F). Expect a chilling minimum of -16°C (4°F), while temperatures can reach a pleasant maximum of 16°C (62°F). This month also sees 90 mm (3.5 in) of precipitation spread over 11 days, with an average humidity of 85%—perfect for cozy indoor activities!
In December in New Berlin, the average temperature is 2°C (35°F), with maximums reaching 16°C (62°F) and minimums dropping as low as -16°C (4°F). Travelers should be prepared for a wide range of temperatures and dress accordingly to ensure comfort during their visit.
In New Berlin in December, the total precipitation amounts to 90 mm (3.5 in) over the course of 11 days.
In New Berlin in December humidity is 85%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill that permeates your clothing, making travel uncomfortable and requiring extra layers to stay warm and dry.
In New Berlin 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 New Berlin, you can visit Hourly UV Index in New Berlin.
UV Risk Categories
Weather in New Berlin varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in New Berlin, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (30°F) | 70 mm (2.8 inches) | 87% | moderate |
| February Weather | 0°C (33°F) | 100 mm (3.9 inches) | 85% | moderate |
| March Weather | 4°C (40°F) | 90 mm (3.5 inches) | 85% | high |
| April Weather | 10°C (50°F) | 112 mm (4.4 inches) | 83% | very high |
| May Weather | 16°C (61°F) | 133 mm (5.3 inches) | 75% | very high |
| June Weather | 21°C (70°F) | 102 mm (4.0 inches) | 73% | very high |
| July Weather | 24°C (75°F) | 145 mm (5.7 inches) | 65% | very high |
| August Weather | 23°C (74°F) | 115 mm (4.5 inches) | 62% | very high |
| September Weather | 19°C (67°F) | 128 mm (5.0 inches) | 66% | very high |
| October Weather | 13°C (57°F) | 130 mm (5.1 inches) | 79% | high |
| November Weather | 5°C (42°F) | 94 mm (3.7 inches) | 87% | moderate |
| December Weather | 2°C (35°F) | 90 mm (3.5 inches) | 85% | low |