Last updated: June 24, 2025
In December, the average temperature in Harwood Heights, United States hovers around 1°C (34°F), creating a chilly atmosphere. Expect minimums that can plunge to -18°C (-1°F), while highs may reach a mild 18°C (65°F). During this month, precipitation totals about 58 mm (2.3 in) over roughly 8 days, accompanied by a notable average humidity of 84%. Embrace the crisp conditions!
In December in Harwood Heights, the average temperature is 1°C (34°F), with maximums reaching up to 18°C (65°F) and minimums dropping as low as -18°C (-1°F). Be sure to pack for a wide range of temperatures while exploring Harwood Heights during this time!
In Harwood Heights in December, the precipitation amount is 58 mm (2.3 in) over a span of 8 days.
In Harwood Heights in December humidity is 84%. With an average temperature of 1°C (34°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and requiring extra layers to keep warm while navigating the damp air.
In Harwood 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 Harwood Heights, you can visit Hourly UV Index in Harwood Heights.
UV Risk Categories
Weather in Harwood Heights varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Harwood Heights, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 66 mm (2.6 inches) | 82% | moderate |
| February Weather | -2°C (29°F) | 66 mm (2.6 inches) | 83% | moderate |
| March Weather | 3°C (38°F) | 82 mm (3.2 inches) | 84% | high |
| April Weather | 8°C (46°F) | 116 mm (4.6 inches) | 85% | very high |
| May Weather | 14°C (57°F) | 159 mm (6.2 inches) | 79% | very high |
| June Weather | 20°C (68°F) | 123 mm (4.8 inches) | 82% | very high |
| July Weather | 23°C (74°F) | 94 mm (3.7 inches) | 80% | very high |
| August Weather | 23°C (73°F) | 80 mm (3.2 inches) | 81% | very high |
| September Weather | 20°C (68°F) | 79 mm (3.1 inches) | 80% | very high |
| October Weather | 13°C (55°F) | 134 mm (5.3 inches) | 82% | high |
| November Weather | 4°C (40°F) | 62 mm (2.4 inches) | 88% | moderate |
| December Weather | 1°C (34°F) | 58 mm (2.3 inches) | 84% | low |