Last updated: June 24, 2025
In December, the average temperature in Jerome, United States hovers around 0°C (33°F). Expect a chill in the air, with minimum temperatures potentially dropping to -13°C (8°F) and peaking at 16°C (61°F). Prepare for some wet days, as 36 mm (1.4 in) of precipitation is likely to fall over 8 days, accompanied by a high average humidity of 87%.
In December in Jerome, the average temperature is 0°C (33°F), with maximums reaching 16°C (61°F) and minimums dropping as low as -13°C (8°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to ensure comfort during their stay.
In Jerome in December, the precipitation amount is 36 mm (1.4 in) over a period of 8 days.
In Jerome in December, humidity is 87%. With an average temperature of 0°C (33°F), this humidity feels like a damp chill that seeps into your bones, making every step feel heavier and the air thick and suffocating, often leading to a sense of discomfort while traveling.
In Jerome 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 Jerome, you can check the information here.
UV Risk Categories
Weather in Jerome varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Jerome, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (31°F) | 40 mm (1.6 inches) | 91% | moderate |
| February Weather | 2°C (35°F) | 46 mm (1.8 inches) | 92% | moderate |
| March Weather | 7°C (45°F) | 34 mm (1.4 inches) | 85% | high |
| April Weather | 11°C (52°F) | 23 mm (0.9 inches) | 76% | very high |
| May Weather | 16°C (60°F) | 31 mm (1.2 inches) | 66% | very high |
| June Weather | 22°C (71°F) | 11 mm (0.4 inches) | 62% | extreme |
| July Weather | 27°C (81°F) | 3 mm (0.1 inches) | 53% | extreme |
| August Weather | 25°C (78°F) | 5 mm (0.2 inches) | 42% | very high |
| September Weather | 19°C (67°F) | 12 mm (0.5 inches) | 46% | very high |
| October Weather | 11°C (51°F) | 22 mm (0.9 inches) | 64% | high |
| November Weather | 5°C (41°F) | 29 mm (1.1 inches) | 83% | moderate |
| December Weather | 0°C (33°F) | 36 mm (1.4 inches) | 87% | moderate |