Last updated: June 24, 2025
In December, the average temperature in Portage Lakes, United States hovers around 2°C (35°F). However, prepare for extremes, as temperatures can drop to a chilling -19°C (-1°F) or rise to a comfortable 18°C (64°F). During this month, you can expect 91 mm (3.6 in) of precipitation spread over 12 days, with an average humidity of 86%, making it a season of both wetness and cold.
In December in Portage Lakes, the average temperature is 2°C (35°F), with maximums reaching up to 18°C (64°F) and minimums dropping as low as -19°C (-1°F). Be prepared for a range of temperatures if you plan to travel during this time.
In Portage Lakes in December, the precipitation amount is 91 mm (3.6 in) over a period of 12 days.
In Portage Lakes in December humidity is 86%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill that seeps into your bones, making traveling quite uncomfortable as your clothes cling to you and the cold air cuts through any warmth you try to find.
In Portage Lakes 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 Portage Lakes, you can visit Hourly UV Index in Portage Lakes.
UV Risk Categories
Weather in Portage Lakes varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Portage Lakes, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 84 mm (3.3 inches) | 88% | moderate |
| February Weather | 0°C (33°F) | 98 mm (3.8 inches) | 88% | moderate |
| March Weather | 4°C (40°F) | 102 mm (4.0 inches) | 87% | high |
| April Weather | 10°C (50°F) | 133 mm (5.2 inches) | 87% | very high |
| May Weather | 16°C (62°F) | 121 mm (4.8 inches) | 81% | very high |
| June Weather | 21°C (70°F) | 131 mm (5.1 inches) | 83% | very high |
| July Weather | 24°C (75°F) | 119 mm (4.7 inches) | 82% | very high |
| August Weather | 22°C (72°F) | 93 mm (3.7 inches) | 76% | very high |
| September Weather | 20°C (67°F) | 101 mm (4.0 inches) | 77% | very high |
| October Weather | 14°C (57°F) | 106 mm (4.2 inches) | 82% | high |
| November Weather | 5°C (41°F) | 93 mm (3.7 inches) | 89% | moderate |
| December Weather | 2°C (35°F) | 91 mm (3.6 inches) | 86% | low |