Last updated: June 24, 2025
In West Peoria, United States, the average temperature in December hovers around 1°C (34°F). Expect a minimum of -21°C (-6°F) and a maximum of 20°C (69°F). During this month, the area experiences approximately 54 mm (2.1 in) of precipitation over 6 days, with an average humidity of 84%.
In December in West Peoria, the average temperature is 1°C (34°F), with maximums reaching 20°C (69°F) and minimums dropping to as low as -21°C (-6°F). This diverse temperature range makes it essential for travelers to pack accordingly, ensuring comfort during both the chilly and mild moments of their journey.
In West Peoria in December, the total precipitation amount is 54 mm (2.1 in) over the course of 6 days.
In West Peoria in December humidity is 84%. With an average temperature of 1°C (34°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and requiring extra layers to keep warm while navigating the damp air.
In West Peoria 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 West Peoria, you can visit Hourly UV Index in West Peoria.
UV Risk Categories
Weather in West Peoria varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in West Peoria, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 60 mm (2.4 inches) | 82% | moderate |
| February Weather | -2°C (29°F) | 67 mm (2.6 inches) | 83% | moderate |
| March Weather | 5°C (42°F) | 111 mm (4.4 inches) | 84% | high |
| April Weather | 10°C (51°F) | 115 mm (4.5 inches) | 85% | very high |
| May Weather | 18°C (64°F) | 168 mm (6.6 inches) | 79% | very high |
| June Weather | 23°C (74°F) | 159 mm (6.2 inches) | 82% | extreme |
| July Weather | 25°C (77°F) | 105 mm (4.1 inches) | 80% | very high |
| August Weather | 24°C (75°F) | 73 mm (2.9 inches) | 81% | very high |
| September Weather | 21°C (70°F) | 74 mm (2.9 inches) | 80% | very high |
| October Weather | 13°C (56°F) | 130 mm (5.1 inches) | 82% | high |
| November Weather | 4°C (40°F) | 57 mm (2.3 inches) | 88% | moderate |
| December Weather | 1°C (34°F) | 54 mm (2.1 inches) | 84% | low |