Last updated: June 24, 2025
In Sleepy Eye, United States, the average temperature in December hovers around -4°C (25°F). Expect a chilly experience, with minimum lows reaching -25°C (-12°F) and highs peaking at 16°C (62°F). The month sees approximately 42 mm (1.6 in) of precipitation spread over about 5 days, contributing to an average humidity of 84%. Prepare accordingly for a damp, cold atmosphere!
In December in Sleepy Eye, the average temperature is -4°C (25°F). Maximum temperatures can reach 16°C (62°F) and minimums can dip as low as -25°C (-12°F). Travelers should be prepared for a wide range of temperatures, so packing accordingly is essential for a comfortable visit.
In Sleepy Eye in December, the precipitation amount is 42 mm (1.6 in) over a period of 5 days.
In Sleepy Eye in December, humidity is 84%. With an average temperature of -4°C (25°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.
In Sleepy Eye 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 Sleepy Eye, you can visit Hourly UV Index in Sleepy Eye.
UV Risk Categories
Weather in Sleepy Eye varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sleepy Eye, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (17°F) | 29 mm (1.1 inches) | 87% | moderate |
| February Weather | -9°C (16°F) | 30 mm (1.2 inches) | 90% | moderate |
| March Weather | 1°C (34°F) | 65 mm (2.5 inches) | 85% | moderate |
| April Weather | 6°C (44°F) | 84 mm (3.3 inches) | 84% | very high |
| May Weather | 15°C (60°F) | 130 mm (5.1 inches) | 78% | very high |
| June Weather | 22°C (73°F) | 111 mm (4.4 inches) | 80% | very high |
| July Weather | 24°C (75°F) | 121 mm (4.8 inches) | 81% | very high |
| August Weather | 22°C (71°F) | 117 mm (4.6 inches) | 81% | very high |
| September Weather | 18°C (65°F) | 127 mm (5.0 inches) | 81% | very high |
| October Weather | 9°C (49°F) | 95 mm (3.8 inches) | 84% | moderate |
| November Weather | 1°C (35°F) | 32 mm (1.3 inches) | 88% | moderate |
| December Weather | -4°C (25°F) | 42 mm (1.6 inches) | 84% | low |