Last updated: June 24, 2025
In Arena, United States, the average temperature in December hovers around -2°C (29°F). However, be prepared for fluctuations, as temperatures can dip as low as -23°C (-8°F) and rise to a maximum of 19°C (66°F). During this month, expect 43 mm (1.7 in) of precipitation over approximately 6 days, contributing to an average humidity level of 82%. Stay warm and dry!
In December in Arena, the average temperature is -2°C (29°F), with maximums reaching 19°C (66°F) and minimums plunging as low as -23°C (-8°F). It's essential to pack accordingly for your travels, as conditions can vary dramatically from day to night.
In Arena in December, the precipitation amount is 43 mm (1.7 in) over a period of 6 days.
In Arena 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 Arena 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 Arena, you can visit Hourly UV Index in Arena.
UV Risk Categories
Weather in Arena varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Arena, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 45 mm (1.8 inches) | 84% | low |
| February Weather | -6°C (22°F) | 55 mm (2.2 inches) | 85% | moderate |
| March Weather | 2°C (36°F) | 56 mm (2.2 inches) | 84% | moderate |
| April Weather | 8°C (46°F) | 85 mm (3.4 inches) | 83% | very high |
| May Weather | 15°C (60°F) | 130 mm (5.1 inches) | 75% | very high |
| June Weather | 21°C (71°F) | 113 mm (4.4 inches) | 79% | very high |
| July Weather | 24°C (75°F) | 95 mm (3.7 inches) | 75% | very high |
| August Weather | 22°C (71°F) | 106 mm (4.2 inches) | 69% | very high |
| September Weather | 18°C (65°F) | 117 mm (4.6 inches) | 74% | very high |
| October Weather | 10°C (51°F) | 114 mm (4.5 inches) | 79% | moderate |
| November Weather | 2°C (36°F) | 45 mm (1.8 inches) | 88% | moderate |
| December Weather | -2°C (29°F) | 43 mm (1.7 inches) | 82% | low |