Last updated: March 2, 2024
The weather in Aosta, Italy, during January is characterized by an average temperature of -9°C (16°F). Highs can soar to 0°C (32°F), while lows may dip to -22°C (-7°F). Typically, the humidity level in Aosta throughout January hovers around 91%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, Aosta averages 114 mm (4.5 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 9 hours 6 minutes of daylight, with the sun shining for approximately 5 hours 48 minutes each day. Additionally, there is a 23% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in Aosta reaches a maximum of 3, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 30 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 0 | 1 | 1 | 1 | 2 | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 0 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||