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
January
Weather in January
Temperature
January, known for its average high temperature of 11.7°C (53.1°F) and an average low temperature of 6.8°C (44.2°F), is the coldest month.Humidity
The months with the highest humidity are January and November, with an average relative humidity of 75%.Rainfall
In Siano, in January, it is raining for 15.6 days, with typically 69mm (2.72") of accumulated precipitation. In Siano, during the entire year, the rain falls for 149.6 days and collects up to 614mm (24.17") of precipitation.Snowfall
Months with snowfall are January and February. The months with the most snowfall are January and February, with an average 3mm (0.12") of accumulated snow.Daylight
In January, the average length of the day is 9h and 38min.On the first day of the month, sunrise is at 07:25 and sunset at 16:43. On the last day of January, sunrise is at 07:12 and sunset at 17:16 CET.
Sunshine
The month with the least sunshine in Siano is January, with an average of 5.6h of sunshine.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 3 in January translates into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
What is the average January temperature in Siano?
What are the most humid months?
What is the average humidity in January?
How much does it rain in January?
When does it snow the most?
When does it start snowing?
How many hours of daylight does Siano have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Siano have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Siano, Italy
- Average high temperature in January: 11.7°C
The warmest month (with the highest average high temperature) is August (30.2°C).
The month with the lowest average high temperature is January (11.7°C).
- Average low temperature in January: 6.8°C
The month with the highest average low temperature is August (21.6°C).
The coldest months (with the lowest average low temperature) are January and February (6.8°C).
Average pressure in January
Siano, Italy
- Average pressure in January: 1016.1mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.9mbar).
Average wind speed in January
Siano, Italy
- Average wind speed in January: 12.7km/h
The windiest month (with the highest average wind speed) is February (13.1km/h).
The calmest month (with the lowest average wind speed) is August (7.7km/h).
Average humidity in January
Siano, Italy
- Average humidity in January: 75%
The months with the highest relative humidity are January and November (75%).
The month with the lowest relative humidity is August (61%).
Average rainfall in January
Siano, Italy
- Average rainfall in January: 69mm
The wettest month (with the highest rainfall) is November (122mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days in January
Siano, Italy
- Average rainfall days in January: 15.6 days
The month with the highest number of rainy days is January (15.6 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in January
Siano, Italy
- Average snowfall in January: 3mm
The months with the highest snowfall are January and February (3mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in January
Siano, Italy
- Average snowfall days in January: 0.6 days
The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Siano, Italy
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 5h and 4min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in January
Siano, Italy
- Average sunshine days in January: 12.4 days
The month with the most sunshine days is July (22.4 days).
The month with the least sunshine days is February (10.8 days).
Average UV index in January
Siano, Italy
- Average UV index in January: 3
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in January
Siano, Italy
- Average cloud cover in January: 40
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in January
Siano, Italy
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
