Last updated: June 24, 2025
In December, the average temperature in Mendota Heights, United States hovers around -5°C (23°F). During this time, temperatures can dip as low as -26°C (-15°F), while occasionally reaching a maximum of 13°C (55°F). Expect about 50 mm (2.0 in) of precipitation over 7 days, coupled with a high average humidity of 84%.
In December in Mendota Heights, the average temperature is -5°C (23°F), with maximums reaching 13°C (55°F) and minimums dropping as low as -26°C (-15°F). Travelers should prepare for cold conditions and consider layering their clothing to stay warm during their visit.
In Mendota Heights in December, the precipitation amount is 50 mm (2.0 in) over a span of 7 days.
In Mendota Heights in December, humidity is 84%. With an average temperature of -5°C (23°F), this humidity feels like an icy blanket wrapping around you, making the cold air bite even deeper and turning travel into a brisk, challenging adventure where each breath comes with a frosty reminder of the chill.
In Mendota Heights 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 Mendota Heights, you can visit Hourly UV Index in Mendota Heights.
UV Risk Categories
Weather in Mendota Heights varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mendota Heights, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (17°F) | 27 mm (1.0 inches) | 87% | low |
| February Weather | -8°C (17°F) | 33 mm (1.3 inches) | 90% | moderate |
| March Weather | 0°C (33°F) | 56 mm (2.2 inches) | 85% | moderate |
| April Weather | 6°C (43°F) | 87 mm (3.4 inches) | 84% | high |
| May Weather | 15°C (59°F) | 126 mm (5.0 inches) | 78% | very high |
| June Weather | 22°C (72°F) | 86 mm (3.4 inches) | 80% | very high |
| July Weather | 24°C (75°F) | 104 mm (4.1 inches) | 81% | very high |
| August Weather | 22°C (71°F) | 135 mm (5.3 inches) | 81% | very high |
| September Weather | 18°C (64°F) | 115 mm (4.5 inches) | 81% | high |
| October Weather | 9°C (49°F) | 98 mm (3.9 inches) | 84% | moderate |
| November Weather | 1°C (33°F) | 35 mm (1.4 inches) | 88% | moderate |
| December Weather | -5°C (23°F) | 50 mm (2.0 inches) | 84% | low |