Last updated: June 24, 2025
In Juniata, United States, the average temperature in December hovers around 0°C (32°F). Be prepared for a chilly range, with minimums plummeting to -20°C (-4°F) and highs reaching a pleasant 22°C (72°F). During this month, anticipate around 40 mm (1.6 in) of precipitation spread over 4 days, while the air remains comfortably moist with an average humidity of 79%.
In December in Juniata, the average temperature is 0°C (32°F). Maximum temperatures can reach 22°C (72°F), while minimums can drop as low as -20°C (-4°F). Be prepared for a wide range of temperatures when traveling during this month.
In Juniata in December, the precipitation amount is 40 mm (1.6 in) spread over a duration of 4 days.
In Juniata 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 Juniata 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 Juniata, you can check the information here.
UV Risk Categories
Weather in Juniata varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Juniata, 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 (27°F) | 20 mm (0.8 inches) | 81% | moderate |
| March Weather | 5°C (42°F) | 88 mm (3.5 inches) | 69% | high |
| April Weather | 10°C (50°F) | 47 mm (1.9 inches) | 71% | very high |
| May Weather | 16°C (62°F) | 167 mm (6.6 inches) | 80% | very high |
| June Weather | 24°C (75°F) | 72 mm (2.9 inches) | 83% | extreme |
| July Weather | 25°C (78°F) | 73 mm (2.9 inches) | 84% | extreme |
| August Weather | 24°C (75°F) | 76 mm (3.0 inches) | 84% | very high |
| September Weather | 21°C (70°F) | 61 mm (2.4 inches) | 77% | very high |
| October Weather | 11°C (52°F) | 80 mm (3.1 inches) | 72% | high |
| November Weather | 5°C (41°F) | 21 mm (0.8 inches) | 80% | moderate |
| December Weather | 0°C (32°F) | 40 mm (1.6 inches) | 79% | moderate |