Last updated: June 24, 2025
In December, the average temperature in Kewaunee, United States hovers around -1°C (30°F), with a range that can dip to a brisk -21°C (-5°F) and rise to a mild 14°C (57°F). Expect 62 mm (2.4 in) of precipitation over approximately 8 days, accompanied by a high level of humidity at 87%. Prepare for a chilly yet intriguing month in this unique destination!
In December in Kewaunee, the average temperature is -1°C (30°F), with maximums reaching 14°C (57°F) and minimums dropping as low as -21°C (-5°F). Travelers should be prepared for a wide range of temperatures, from chilly days to much colder nights.
In Kewaunee in December, the precipitation amount is 62 mm (2.4 in) over the course of 8 days.
In Kewaunee in December, humidity is 87%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that penetrates through layers of clothing, making travel uncomfortable as the dampness clings to your skin, intensifying the cold and causing every gust of wind to feel even more frigid.
In Kewaunee 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 Kewaunee, you can visit Hourly UV Index in Kewaunee.
UV Risk Categories
Weather in Kewaunee varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Kewaunee, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (24°F) | 49 mm (1.9 inches) | 89% | low |
| February Weather | -5°C (24°F) | 57 mm (2.3 inches) | 90% | moderate |
| March Weather | 0°C (33°F) | 68 mm (2.7 inches) | 87% | moderate |
| April Weather | 4°C (39°F) | 98 mm (3.9 inches) | 84% | high |
| May Weather | 9°C (48°F) | 110 mm (4.3 inches) | 77% | very high |
| June Weather | 15°C (59°F) | 99 mm (3.9 inches) | 75% | very high |
| July Weather | 20°C (68°F) | 100 mm (3.9 inches) | 74% | very high |
| August Weather | 21°C (69°F) | 95 mm (3.7 inches) | 73% | very high |
| September Weather | 17°C (63°F) | 76 mm (3.0 inches) | 78% | high |
| October Weather | 11°C (52°F) | 115 mm (4.5 inches) | 84% | moderate |
| November Weather | 3°C (38°F) | 60 mm (2.4 inches) | 89% | moderate |
| December Weather | -1°C (30°F) | 62 mm (2.4 inches) | 87% | low |