Last updated: June 24, 2025
In December, the average temperature in Lennon, United States hovers around 0°C (32°F). Expect chilly conditions, with minimums dipping to -22°C (-6°F) and maximums peaking at 17°C (63°F). Prepare for moisture as precipitation averages 56 mm (2.2 in) over 9 days, contributing to an average humidity level of 86%.
In December in Lennon, the average temperature is 0°C (32°F). Maximums can reach 17°C (63°F), and minimums can be as low as -22°C (-6°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.
In Lennon in December, the precipitation amount is 56 mm (2.2 in) over a period of 9 days.
In Lennon in December humidity is 86%. With an average temperature of 0°C (32°F), this humidity feels like a biting chill that seeps into your bones, making travel feel uncomfortable and damp, as the cold air combines with the moisture to create a brisk sensation that may deter outdoor exploration.
In Lennon 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 Lennon, you can visit Hourly UV Index in Lennon.
UV Risk Categories
Weather in Lennon varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Lennon, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (26°F) | 62 mm (2.4 inches) | 88% | low |
| February Weather | -3°C (27°F) | 65 mm (2.6 inches) | 87% | moderate |
| March Weather | 2°C (36°F) | 64 mm (2.5 inches) | 85% | moderate |
| April Weather | 8°C (46°F) | 90 mm (3.5 inches) | 86% | very high |
| May Weather | 15°C (60°F) | 110 mm (4.3 inches) | 80% | very high |
| June Weather | 21°C (70°F) | 109 mm (4.3 inches) | 80% | very high |
| July Weather | 23°C (74°F) | 76 mm (3.0 inches) | 80% | very high |
| August Weather | 22°C (72°F) | 77 mm (3.0 inches) | 80% | very high |
| September Weather | 18°C (65°F) | 92 mm (3.6 inches) | 80% | high |
| October Weather | 12°C (53°F) | 112 mm (4.4 inches) | 84% | moderate |
| November Weather | 3°C (38°F) | 65 mm (2.5 inches) | 89% | moderate |
| December Weather | 0°C (32°F) | 56 mm (2.2 inches) | 86% | low |