Last updated: June 24, 2025
In December, the average temperature in Forest City, United States hovers around 17°C (63°F). Daily temperatures can swing from a chilly 1°C (34°F) to a warm 29°C (85°F). Be prepared for some rain, as 63 mm (2.5 in) of precipitation is expected over the course of 8 days. With an average humidity of 84%, you'll definitely feel the moisture in the air!
In December in Forest City, the average temperature is 17°C (63°F). The maximum can reach 29°C (85°F), and the minimum can be as low as 1°C (34°F). This weather makes it a great time for travelers to enjoy a mix of warm days and cool evenings while exploring the area.
In Forest City in December, the precipitation amount is 63 mm (2.5 in) spread over 8 days.
In Forest City 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 Forest City 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 Forest City.
UV Risk Categories
Weather in Forest City varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Forest City, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 16°C (60°F) | 45 mm (1.8 inches) | 83% | moderate |
| February Weather | 19°C (66°F) | 56 mm (2.2 inches) | 80% | very high |
| March Weather | 20°C (68°F) | 23 mm (0.9 inches) | 75% | very high |
| April Weather | 22°C (72°F) | 77 mm (3.0 inches) | 70% | extreme |
| May Weather | 25°C (77°F) | 97 mm (3.8 inches) | 68% | extreme |
| June Weather | 27°C (81°F) | 197 mm (7.8 inches) | 75% | extreme |
| July Weather | 27°C (82°F) | 221 mm (8.7 inches) | 79% | extreme |
| August Weather | 28°C (82°F) | 227 mm (8.9 inches) | 81% | extreme |
| September Weather | 27°C (81°F) | 169 mm (6.6 inches) | 83% | extreme |
| October Weather | 25°C (77°F) | 88 mm (3.4 inches) | 81% | very high |
| November Weather | 20°C (68°F) | 49 mm (1.9 inches) | 82% | high |
| December Weather | 17°C (63°F) | 63 mm (2.5 inches) | 84% | moderate |