Last updated: June 24, 2025
In Radium Springs, United States, the average temperature in December hovers around 8°C (47°F). However, be prepared for a temperature range that can dip as low as -6°C (21°F) and soar to a pleasant 22°C (72°F). Throughout the month, you can expect 11 mm (0.4 in) of precipitation over the course of just 2 days, and the average humidity sits at a notably high 82%. Stay cozy and plan accordingly!
In December in Radium Springs, the average temperature is 8°C (47°F). The maximum can reach 22°C (72°F), while the minimum can drop as low as -6°C (21°F). Be prepared for a wide range of temperatures when traveling during this time.
In Radium Springs in December, the precipitation amount is 11 mm (0.4 in) over the course of 2 days.
In Radium Springs in December humidity is 82%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration less enjoyable and requiring extra layers to stay warm and comfortable.
In Radium Springs 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 Radium Springs.
UV Risk Categories
Weather in Radium Springs varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Radium Springs, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 7°C (45°F) | 14 mm (0.6 inches) | 79% | moderate |
| February Weather | 10°C (50°F) | 17 mm (0.7 inches) | 79% | high |
| March Weather | 14°C (58°F) | 14 mm (0.5 inches) | 65% | very high |
| April Weather | 19°C (67°F) | 4 mm (0.1 inches) | 55% | extreme |
| May Weather | 24°C (75°F) | 5 mm (0.2 inches) | 54% | extreme |
| June Weather | 28°C (83°F) | 24 mm (1.0 inches) | 53% | extreme |
| July Weather | 28°C (83°F) | 35 mm (1.4 inches) | 55% | extreme |
| August Weather | 28°C (83°F) | 31 mm (1.2 inches) | 57% | extreme |
| September Weather | 25°C (77°F) | 24 mm (0.9 inches) | 70% | extreme |
| October Weather | 19°C (66°F) | 27 mm (1.1 inches) | 75% | very high |
| November Weather | 13°C (56°F) | 17 mm (0.7 inches) | 83% | high |
| December Weather | 8°C (47°F) | 11 mm (0.4 inches) | 82% | moderate |