Last updated: June 24, 2025
In Lake Mack-Forest Hills, United States, the average temperature in December hovers around 17°C (63°F), presenting a refreshing climate. However, be prepared for a temperature range that can dip to a brisk 0°C (32°F) or rise to a warm 29°C (84°F). During this month, expect about 67 mm (2.7 in) of precipitation spread over 8 days, accompanied by an average humidity level of 84%. Stay comfortable and enjoy the diverse weather!
In December in Lake Mack-Forest Hills, the average temperature is 17°C (63°F). Maximums can reach 29°C (84°F), and minimums can drop as low as 0°C (32°F). Be prepared for a range of temperatures to ensure a comfortable and enjoyable travel experience.
In Lake Mack-Forest Hills in December, the precipitation amount is 67 mm (2.7 in) during a total of 8 days.
In Lake Mack-Forest Hills in December, humidity is 84%. With an average temperature of 17°C (63°F), this humidity feels like a warm, sticky embrace that can make traveling feel heavy and cumbersome, often leaving visitors yearning for refreshing breezes and shade.
In Lake Mack-Forest Hills in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Lake Mack-Forest Hills.
UV Risk Categories
Weather in Lake Mack-Forest Hills varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Lake Mack-Forest Hills, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 15°C (60°F) | 46 mm (1.8 inches) | 83% | moderate |
| February Weather | 18°C (66°F) | 57 mm (2.2 inches) | 80% | very high |
| March Weather | 20°C (67°F) | 25 mm (1.0 inches) | 75% | very high |
| April Weather | 22°C (72°F) | 78 mm (3.1 inches) | 70% | extreme |
| May Weather | 25°C (77°F) | 98 mm (3.9 inches) | 68% | extreme |
| June Weather | 27°C (80°F) | 197 mm (7.7 inches) | 75% | extreme |
| July Weather | 27°C (81°F) | 224 mm (8.8 inches) | 79% | extreme |
| August Weather | 28°C (82°F) | 207 mm (8.2 inches) | 81% | extreme |
| September Weather | 27°C (81°F) | 157 mm (6.2 inches) | 83% | extreme |
| October Weather | 25°C (77°F) | 88 mm (3.5 inches) | 81% | very high |
| November Weather | 20°C (68°F) | 57 mm (2.2 inches) | 82% | high |
| December Weather | 17°C (63°F) | 67 mm (2.7 inches) | 84% | moderate |