Last updated: August 23, 2025
In Prato Allo Stelvio, Italy, the average temperature in December hovers around -10°C (14°F), with minimums plunging to -29°C (-20°F) and maximums reaching up to 1°C (35°F). Expect 103 mm (4.1 in) of precipitation spread over approximately 12 days, contributing to an average humidity of 90%. Be prepared for a chilly and damp month!
In December in Prato Allo Stelvio, the average temperature is -10°C (14°F). The maximum can reach 1°C (35°F), while the minimum can drop as low as -29°C (-20°F). Travelers should be prepared for extremely cold weather and dress in layers to stay warm during their visit.
In Prato Allo Stelvio in December, the total precipitation amount is 103 mm (4.1 in), occurring over the course of 12 days.
In Prato Allo Stelvio in December, humidity is 90%. With an average temperature of -10°C (14°F), this humidity feels like an uncomfortable chill that seeps into your bones, making travel difficult and requiring extra layers to stay warm and dry.
In Prato Allo Stelvio 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 Prato Allo Stelvio, you can visit Hourly UV Index in Prato Allo Stelvio.
UV Risk Categories
Weather in Prato Allo Stelvio varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Prato Allo Stelvio, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -12°C (11°F) | 52 mm (2.0 inches) | 93% | low |
| February Weather | -9°C (17°F) | 44 mm (1.7 inches) | 89% | moderate |
| March Weather | -6°C (21°F) | 57 mm (2.2 inches) | 86% | high |
| April Weather | -1°C (30°F) | 74 mm (2.9 inches) | 83% | very high |
| May Weather | 3°C (37°F) | 111 mm (4.4 inches) | 78% | very high |
| June Weather | 9°C (48°F) | 103 mm (4.0 inches) | 79% | extreme |
| July Weather | 10°C (51°F) | 80 mm (3.2 inches) | 82% | extreme |
| August Weather | 10°C (51°F) | 101 mm (4.0 inches) | 80% | very high |
| September Weather | 6°C (43°F) | 92 mm (3.6 inches) | 83% | very high |
| October Weather | 2°C (35°F) | 110 mm (4.3 inches) | 90% | high |
| November Weather | -5°C (23°F) | 120 mm (4.7 inches) | 89% | moderate |
| December Weather | -10°C (14°F) | 103 mm (4.1 inches) | 90% | low |