Last updated: June 24, 2025
In December, the average temperature in Benton City, United States hovers around 2°C (35°F), making it a chilly yet invigorating time of year. Expect lows of -9°C (16°F) and highs reaching up to 20°C (68°F), offering a broad range for weather enthusiasts. With 30 mm (1.2 in) of precipitation over about 6 days, bringing an umbrella might be wise. The air is also quite moist, with an average humidity of 86%, adding to the overall atmosphere of the season.
In December in Benton City, the average temperature is 2°C (35°F). The maximum can reach up to 20°C (68°F), while the minimum can drop as low as -9°C (16°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack accordingly for both mild and chilly days.
In Benton City in December, the total precipitation amount is 30 mm (1.2 in) spread across 6 days.
In Benton City in December humidity is 86%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill that seeps into your bones, making traveling quite uncomfortable as your clothes cling to you and the cold air cuts through any warmth you try to find.
In Benton 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 Benton City, you can visit Hourly UV Index in Benton City.
UV Risk Categories
Weather in Benton City varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Benton City, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (35°F) | 37 mm (1.5 inches) | 85% | low |
| February Weather | 2°C (36°F) | 38 mm (1.5 inches) | 86% | moderate |
| March Weather | 8°C (47°F) | 24 mm (1.0 inches) | 86% | moderate |
| April Weather | 13°C (56°F) | 21 mm (0.8 inches) | 82% | high |
| May Weather | 19°C (67°F) | 14 mm (0.5 inches) | 77% | very high |
| June Weather | 24°C (75°F) | 6 mm (0.2 inches) | 79% | very high |
| July Weather | 28°C (82°F) | 0 mm (0.0 inches) | 77% | very high |
| August Weather | 27°C (81°F) | 3 mm (0.1 inches) | 62% | very high |
| September Weather | 21°C (69°F) | 8 mm (0.3 inches) | 60% | high |
| October Weather | 12°C (54°F) | 23 mm (0.9 inches) | 80% | moderate |
| November Weather | 5°C (42°F) | 30 mm (1.2 inches) | 87% | moderate |
| December Weather | 2°C (35°F) | 30 mm (1.2 inches) | 86% | low |