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 sea temperature 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
The start of January sees the average high-temperature at a still refreshing 14.5°C (58.1°F), showing little difference from December's 16.1°C (61°F). Nighttime temperatures hover around an average low of 12.8°C (55°F) in January, a slight descent from daytime highs.Humidity
The average relative humidity in January in Ustica is 70%.Rainfall
In January, the rain falls for 17.8 days. Throughout January, 58mm (2.28") of precipitation is accumulated. Throughout the year, there are 137.1 rainfall days, and 453mm (17.83") of precipitation is accumulated.Sea temperature
In Ustica, in January, the average water temperature is 14.8°C (58.6°F).Note: Swimming in 14.8°C (58.6°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.
Daylight
The average length of the day in January in Ustica is 9h and 49min.On the first day of January, sunrise is at 07:25 and sunset at 16:56. On the last day of the month, sunrise is at 07:14 and sunset at 17:27 CET.
Sunshine
January has the least sunshine of the year in Ustica, with an average of 6.1h of sunshine.UV index
January through March and December, with an average maximum UV index of 4, are months with the lowest UV index in Ustica. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 4 in January, converts into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What is the usual temperature for Ustica in January?
What is the average humidity in January in Ustica?
How many days does it rain in January in Ustica?
How cold is the water in January in Ustica?
How many hours of daylight does Ustica have in January?
When are sunrise and sunset in January in Ustica?
What is the month with the least sunshine in Ustica?
How long on average sun shines in January in Ustica?
What is the month with the lowest UV index in Ustica?
What is the UV index reading in January in Ustica?
Average temperature in January
Ustica, Italy
- Average high temperature in January: 14.5°C
The warmest month (with the highest average high temperature) is August (26.9°C).
The month with the lowest average high temperature is February (13.8°C).
- Average low temperature in January: 12.8°C
The month with the highest average low temperature is August (25.7°C).
The coldest month (with the lowest average low temperature) is February (11.9°C).
Average pressure in January
Ustica, Italy
- Average pressure in January: 1016.6mbar
The month with the highest atmospheric pressure is December (1018.9mbar).
The months with the lowest atmospheric pressure are April and July (1014.3mbar).
Average wind speed in January
Ustica, Italy
- Average wind speed in January: 24.1km/h
The windiest months (with the highest average wind speed) are January and December (24.1km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in January
Ustica, Italy
- Average humidity in January: 70%
The months with the highest relative humidity are April and May (75%).
The month with the lowest relative humidity is December (68%).
Average rainfall in January
Ustica, Italy
- Average rainfall in January: 58mm
The wettest month (with the highest rainfall) is November (77mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in January
Ustica, Italy
- Average rainfall days in January: 17.8 days
The month with the highest number of rainy days is January (17.8 days).
The month with the least rainy days is July (2.4 days).
Average sea temperature in January
Ustica, Italy
- Average sea temperature in January: 14.8°C
The best month for swimming (with the highest average sea temperature) is August (26.5°C).
The coldest month (with the lowest average sea temperature) is February (14.2°C).
Average daylight in January /
Average sunshine in January
Ustica, Italy
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 6h and 1min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in January
Ustica, Italy
- Average sunshine days in January: 10.2 days
The month with the most sunshine days is July (27.9 days).
The month with the least sunshine days is November (9.6 days).
Average UV index in January
Ustica, Italy
- Average UV index in January: 4
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February, March and December (UV index 4).
Average cloud cover in January
Ustica, Italy
- Average cloud cover in January: 36
The month with the most cloud cover is January (Cloud cover 36).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in January
Ustica, 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).
Ustica, Italy
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