Last updated: June 24, 2025
In December, the average temperature in McGregor, United States hovers around -2°C (29°F), making it a chilly time of year. Expect minimum temperatures plummeting to -23°C (-8°F), while the mercury can rise to a maximum of 20°C (68°F). With 39 mm (1.5 in) of precipitation over approximately 6 days, you'll want to be prepared. On top of that, the average humidity is a brisk 82%, adding to the wintry atmosphere.
In December in McGregor, the average temperature is -2°C (29°F), with maximums reaching 20°C (68°F) and minimums dropping as low as -23°C (-8°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both chilly and milder conditions.
In McGregor in December, the precipitation amount is 39 mm (1.5 in), occurring over the course of 6 days.
In McGregor in December, humidity is 82%. With an average temperature of -2°C (29°F), this humidity feels like a frigid chill that seeps into your bones, making travel quite uncomfortable and forcing you to bundle up tightly to ward off the damp cold that lingers in the air.
In McGregor 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 McGregor, you can visit Hourly UV Index in McGregor.
UV Risk Categories
Weather in McGregor varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in McGregor, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 41 mm (1.6 inches) | 84% | moderate |
| February Weather | -6°C (22°F) | 54 mm (2.1 inches) | 85% | moderate |
| March Weather | 2°C (37°F) | 60 mm (2.4 inches) | 84% | moderate |
| April Weather | 8°C (47°F) | 78 mm (3.1 inches) | 83% | very high |
| May Weather | 16°C (60°F) | 144 mm (5.6 inches) | 75% | very high |
| June Weather | 22°C (72°F) | 131 mm (5.1 inches) | 79% | very high |
| July Weather | 24°C (75°F) | 114 mm (4.5 inches) | 75% | very high |
| August Weather | 22°C (71°F) | 91 mm (3.6 inches) | 69% | very high |
| September Weather | 18°C (65°F) | 120 mm (4.7 inches) | 74% | very high |
| October Weather | 10°C (51°F) | 129 mm (5.1 inches) | 79% | moderate |
| November Weather | 2°C (36°F) | 48 mm (1.9 inches) | 88% | moderate |
| December Weather | -2°C (29°F) | 39 mm (1.5 inches) | 82% | low |