Last updated: August 23, 2025
In December, the average temperature in Roman catholic diocese of Terni, Italy hovers around 6°C (42°F). Expect a chill in the air, with minimums dipping to -5°C (23°F) and maximums rising to 15°C (60°F). This month also brings 159 mm (6.2 in) of precipitation over about 12 days, contributing to a high average humidity of 86%. Be prepared for a damp and cool atmosphere!
In December in Roman catholic diocese of Terni, the average temperature is 6°C (42°F). Maximums can reach 15°C (60°F), and minimums can be as low as -5°C (23°F). It's advisable to pack warm clothing and be prepared for a mix of cool and mild days when traveling during this time.
In Roman catholic diocese of Terni in December, the precipitation amount is 159 mm (6.2 in) spread over 12 days.
In Roman catholic diocese of Terni in December, humidity is 86%. With an average temperature of 6°C (42°F), this humidity feels like a chilly, damp embrace that can make outdoor activities feel uncomfortable and chilly, prompting travelers to seek shelter or warm clothing to stay cozy while exploring.
In Roman catholic diocese of Terni 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 Roman catholic diocese of Terni, you can visit Hourly UV Index in Roman catholic diocese of Terni.
UV Risk Categories
Weather in Roman catholic diocese of Terni varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Roman catholic diocese of Terni, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 72 mm (2.8 inches) | 85% | moderate |
| February Weather | 6°C (44°F) | 86 mm (3.4 inches) | 78% | moderate |
| March Weather | 8°C (46°F) | 100 mm (3.9 inches) | 69% | high |
| April Weather | 11°C (52°F) | 81 mm (3.2 inches) | 71% | high |
| May Weather | 15°C (60°F) | 103 mm (4.1 inches) | 71% | very high |
| June Weather | 20°C (69°F) | 51 mm (2.0 inches) | 63% | very high |
| July Weather | 23°C (74°F) | 26 mm (1.0 inches) | 59% | very high |
| August Weather | 24°C (75°F) | 36 mm (1.4 inches) | 54% | very high |
| September Weather | 19°C (66°F) | 106 mm (4.2 inches) | 67% | very high |
| October Weather | 14°C (57°F) | 85 mm (3.4 inches) | 78% | high |
| November Weather | 10°C (50°F) | 152 mm (6.0 inches) | 84% | moderate |
| December Weather | 6°C (42°F) | 159 mm (6.2 inches) | 86% | low |