Last updated: June 24, 2025
In December, the average temperature in Falls City, United States hovers around 5°C (41°F). Expect chilly nights with minimums dipping to -6°C (21°F), while daytime highs can reach up to 16°C (60°F). With 207 mm (8.2 in) of precipitation spread over 18 days, don’t forget your umbrella! The average humidity is a refreshing 87%, making this month feel even cooler and more invigorating.
In December in Falls City, the average temperature is 5°C (41°F). The maximum can reach 16°C (60°F), and the minimum can be as low as -6°C (21°F). It's a perfect time to explore the unique charm of Falls City while dressing in layers to stay comfortable throughout the day.
In Falls City in December, the total precipitation amount is 207 mm (8.2 in) recorded over the course of 18 days.
In Falls City in December humidity is 87%. With an average temperature of 5°C (41°F), this humidity feels like a heavy, damp blanket enveloping you, making every step seem laborious and the chill more biting, which can be quite challenging for traveling.
In Falls City 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 Falls City, you can visit Hourly UV Index in Falls City.
UV Risk Categories
Weather in Falls City varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Falls City, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (42°F) | 193 mm (7.6 inches) | 85% | low |
| February Weather | 5°C (41°F) | 186 mm (7.3 inches) | 84% | moderate |
| March Weather | 7°C (45°F) | 145 mm (5.7 inches) | 85% | high |
| April Weather | 9°C (49°F) | 125 mm (4.9 inches) | 83% | high |
| May Weather | 13°C (55°F) | 63 mm (2.5 inches) | 83% | very high |
| June Weather | 16°C (61°F) | 50 mm (2.0 inches) | 83% | very high |
| July Weather | 18°C (65°F) | 4 mm (0.2 inches) | 82% | very high |
| August Weather | 19°C (66°F) | 6 mm (0.2 inches) | 74% | very high |
| September Weather | 16°C (62°F) | 64 mm (2.5 inches) | 71% | high |
| October Weather | 11°C (52°F) | 100 mm (3.9 inches) | 81% | moderate |
| November Weather | 8°C (46°F) | 169 mm (6.7 inches) | 87% | moderate |
| December Weather | 5°C (41°F) | 207 mm (8.2 inches) | 87% | low |