Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
In Aosta, the month of January is known for its lowest average temperatures, reaching a high of -2.7°C (27.1°F) and a low of -10.8°C (12.6°F).Humidity
In January, the average relative humidity in Aosta is 85%.Rainfall
In January, the rain falls for 15.9 days. Throughout January, 81mm (3.19") of precipitation is accumulated. In Aosta, Italy, during the entire year, the rain falls for 244.1 days and collects up to 1363mm (53.66") of precipitation.Snowfall
Months with snowfall in Aosta are January through May, October through December. In Aosta, in January, snow falls for 10 days, with typically accumulated 136mm (5.35") of snow. Throughout the year, there are 42.8 snowfall days, and 692mm (27.24") of snow is accumulated.Daylight
The average length of the day in January in Aosta is 9h and 9min.On the first day of the month, sunrise is at 08:11 and sunset at 16:56. On the last day of January, sunrise is at 07:53 and sunset at 17:34 CET.
Sunshine
In January, the average sunshine is 5.5h.UV index
The months with the lowest UV index in Aosta are January, March and April, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, a regular UV index of 1 translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. It's recommended to limit sun exposure when its radiation is at its peak during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What month is the coldest in Aosta?
How cold is it in Aosta in January?
What is the average humidity in January in Aosta?
How many days does it rain in January in Aosta?
How much does it snow in Aosta in January?
How many hours of daylight does Aosta have in January?
What time are sunrise and sunset in January in Aosta?
How many hours of sunshine does Aosta have in January?
When is the lowest UV index in Aosta?
What is the UV index intensity in January in Aosta?
Average temperature in January
Aosta, Italy
- Average high temperature in January: -2.7°C
The warmest month (with the highest average high temperature) is July (16.5°C).
The month with the lowest average high temperature is January (-2.7°C).
- Average low temperature in January: -10.8°C
The months with the highest average low temperature are July and August (6.5°C).
The coldest months (with the lowest average low temperature) are January and February (-10.8°C).
Average pressure in January
Aosta, Italy
- Average pressure in January: 1018.8mbar
The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1014.9mbar).
Average wind speed in January
Aosta, Italy
- Average wind speed in January: 8.6km/h
The windiest month (with the highest average wind speed) is December (9km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).
Average humidity in January
Aosta, Italy
- Average humidity in January: 85%
The month with the highest relative humidity is March (87%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in January
Aosta, Italy
- Average rainfall in January: 81mm
The wettest month (with the highest rainfall) is May (181mm).
The driest month (with the least rainfall) is September (77mm).
Average rainfall days in January
Aosta, Italy
- Average rainfall days in January: 15.9 days
The month with the highest number of rainy days is May (27 days).
The month with the least rainy days is December (14.9 days).
Average snowfall in January
Aosta, Italy
- Average snowfall in January: 136mm
The month with the highest snowfall is February (175mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Aosta, Italy
- Average snowfall days in January: 10 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Aosta, Italy
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January: 5h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is November (Average sunshine: 5h and 12min).
Average sunshine days in January
Aosta, Italy
- Average sunshine days in January: 10.3 days
The month with the most sunshine days is October (11.7 days).
The month with the least sunshine days is May (2.7 days).
Average UV index in January
Aosta, Italy
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, March and April (UV index 1).
Average cloud cover in January
Aosta, Italy
- Average cloud cover in January: 42
The month with the most cloud cover is May (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in January
Aosta, Italy
- Average visibility in January: 7km
The month with the highest visibility is July (9km).
The months with the lowest visibility are January, February, March, April and May (7km).
Aosta, Italy
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