Last updated: June 24, 2025
In Lone Rock, United States, the average temperature in December hovers around -2°C (29°F). While you can expect minimum temperatures to plummet to -22°C (-8°F), there’s the potential for milder days with highs reaching 19°C (66°F). Rainfall is modest, with 43 mm (1.7 in) of precipitation spread over 7 days, and an average humidity of 82% keeps the air feeling brisk and damp.
In December in Lone Rock, the average temperature is -2°C (29°F). The maximum can reach 19°C (66°F), and the minimum can be as low as -22°C (-8°F). Be prepared for a wide temperature range and pack accordingly if you're planning to travel during this time.
In Lone Rock in December, the total precipitation amount is 43 mm (1.7 in) spread over a period of 7 days.
In Lone Rock in December, humidity is 82%. With an average temperature of -2°C (29°F), this humidity feels like a frigid chill that seeps into your bones, making travel quite uncomfortable and forcing you to bundle up tightly to ward off the damp cold that lingers in the air.
In Lone Rock 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 Lone Rock, you can visit Hourly UV Index in Lone Rock.
UV Risk Categories
Weather in Lone Rock varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Lone Rock, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 43 mm (1.7 inches) | 84% | low |
| February Weather | -6°C (22°F) | 55 mm (2.2 inches) | 85% | moderate |
| March Weather | 2°C (36°F) | 57 mm (2.2 inches) | 84% | moderate |
| April Weather | 8°C (46°F) | 83 mm (3.3 inches) | 83% | very high |
| May Weather | 15°C (60°F) | 130 mm (5.1 inches) | 75% | very high |
| June Weather | 21°C (71°F) | 119 mm (4.7 inches) | 79% | very high |
| July Weather | 24°C (75°F) | 95 mm (3.7 inches) | 75% | very high |
| August Weather | 22°C (71°F) | 100 mm (3.9 inches) | 69% | very high |
| September Weather | 18°C (65°F) | 118 mm (4.6 inches) | 74% | very high |
| October Weather | 10°C (51°F) | 117 mm (4.6 inches) | 79% | moderate |
| November Weather | 2°C (36°F) | 46 mm (1.8 inches) | 88% | moderate |
| December Weather | -2°C (29°F) | 43 mm (1.7 inches) | 82% | low |