Last updated: August 23, 2025
In December, the average temperature in Riva Valdobbia, Italy hovers around -3°C (26°F), with a chilly minimum of -17°C (2°F) and a maximum reaching 9°C (48°F). Expect 102 mm (4.0 in) of precipitation spread over 13 days, contributing to an average humidity of 85%. Prepare for a brisk and damp winter experience!
In December in Riva Valdobbia, the average temperature is -3°C (26°F). The maximum can reach 9°C (48°F) and the minimum can be as low as -17°C (2°F). Be prepared for chilly weather and pack accordingly if you plan to travel during this time.
In Riva Valdobbia in December, precipitation amounts to 102 mm (4.0 in) over the course of 13 days.
In Riva Valdobbia in December humidity is 85%. With an average temperature of -3°C (26°F), this humidity feels like an uncomfortable chill that penetrates your clothes, making traveling quite unpleasant as each breath is met with a brisk dampness that numbs the skin.
In Riva Valdobbia 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 Riva Valdobbia, you can visit Hourly UV Index in Riva Valdobbia.
UV Risk Categories
Weather in Riva Valdobbia varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Riva Valdobbia, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (26°F) | 85 mm (3.4 inches) | 88% | low |
| February Weather | -1°C (30°F) | 55 mm (2.2 inches) | 81% | moderate |
| March Weather | 1°C (34°F) | 104 mm (4.1 inches) | 76% | high |
| April Weather | 5°C (41°F) | 160 mm (6.3 inches) | 77% | high |
| May Weather | 9°C (48°F) | 201 mm (7.9 inches) | 74% | very high |
| June Weather | 14°C (58°F) | 189 mm (7.4 inches) | 71% | very high |
| July Weather | 15°C (60°F) | 188 mm (7.4 inches) | 67% | very high |
| August Weather | 15°C (60°F) | 169 mm (6.7 inches) | 64% | very high |
| September Weather | 12°C (53°F) | 136 mm (5.3 inches) | 74% | high |
| October Weather | 7°C (45°F) | 249 mm (9.8 inches) | 87% | moderate |
| November Weather | 1°C (35°F) | 189 mm (7.4 inches) | 88% | moderate |
| December Weather | -3°C (26°F) | 102 mm (4.0 inches) | 85% | low |