December Weather in Gressoney-Saint-Jean

Last updated: March 2, 2024

The weather in Gressoney-Saint-Jean, Italy, during December is characterized by an average temperature of -7°C (20°F). Highs can soar to 3°C (37°F), while lows may dip to -18°C (-1°F). Typically, the humidity level in Gressoney-Saint-Jean throughout December hovers around 85%.

-18°C (-1°F)

Minimum temperature

-7°C (20°F)

Average temperature

3°C (37°F)

Maximum temperature

85%

Humidity

Precipitation and Sunshine hours

In December, Gressoney-Saint-Jean averages 106 mm (4.2 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 8 hours 44 minutes of daylight, with the sun shining for approximately 7 hours 9 minutes each day. Additionally, there is a 47% probability of sunny days during this period.

106 mm (4.2 inches)

Precipitation

14 rainy days

Rainy days

7 hours 9 minutes

Sunshine hours

47%

Chance of sun

UV Index

In December, the UV Index in Gressoney-Saint-Jean reaches a maximum of 2, indicating a level of Low exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 45 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
	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	2	2	2	1	1	0	0	0
Exposure	Low
Time to burn	45 min