Last updated: June 24, 2025
In December, the average temperature in Wood River, United States hovers around 0°C (32°F), with a minimum of -23°C (-9°F) and a maximum reaching up to 22°C (71°F). Expect 41 mm (1.6 in) of precipitation over approximately 4 days, and keep in mind that the average humidity sits at a brisk 79%. Enjoy your chilly adventure!
In December in Wood River, the average temperature is 0°C (32°F). Maximum temperatures can reach 22°C (71°F), while minimums can drop as low as -23°C (-9°F). Be prepared for a wide range of weather conditions when traveling to Wood River during this time.
In Wood River in December, the precipitation amount is 41 mm (1.6 in) over the course of 4 days.
In Wood River in December humidity is 79%. With an average temperature of 0°C (32°F), this humidity feels like a heavy blanket wrapping around you, making every step outside feel like a challenge while also leaving a chill that cuts through your bones—it's a reminder to dress warmly yet prepare for the dampness that clings to your clothes, making travel less comfortable and more of an adventure.
In Wood River in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Wood River, you can check the information here.
UV Risk Categories
Weather in Wood River varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Wood River, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 27 mm (1.1 inches) | 73% | moderate |
| February Weather | -3°C (26°F) | 19 mm (0.7 inches) | 81% | moderate |
| March Weather | 5°C (41°F) | 87 mm (3.4 inches) | 69% | high |
| April Weather | 10°C (50°F) | 52 mm (2.0 inches) | 71% | very high |
| May Weather | 16°C (62°F) | 154 mm (6.1 inches) | 80% | very high |
| June Weather | 24°C (75°F) | 77 mm (3.0 inches) | 83% | extreme |
| July Weather | 25°C (78°F) | 71 mm (2.8 inches) | 84% | very high |
| August Weather | 24°C (75°F) | 73 mm (2.9 inches) | 84% | very high |
| September Weather | 21°C (69°F) | 56 mm (2.2 inches) | 77% | very high |
| October Weather | 11°C (52°F) | 82 mm (3.2 inches) | 72% | high |
| November Weather | 5°C (41°F) | 21 mm (0.8 inches) | 80% | moderate |
| December Weather | 0°C (32°F) | 41 mm (1.6 inches) | 79% | moderate |