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
January proves to be the coldest month, recording an average maximum temperature of 12.3°C (54.1°F) and a minimum temperature of 8°C (46.4°F).Humidity
With an average relative humidity of 73%, January is the most humid month in Posillipo.Rainfall
In Posillipo, during January, the rain falls for 13.6 days and regularly aggregates up to 54mm (2.13") of precipitation. Throughout the year, there are 133.1 rainfall days, and 538mm (21.18") of precipitation is accumulated.Snowfall
Months with snowfall are January and February. The months with the most snowfall in Posillipo are January and February, with an average 2mm (0.08") of accumulated snow.Daylight
The average length of the day in January in Posillipo is 9h and 38min.On the first day of the month, sunrise is at 07:27 and sunset at 16:45. On the last day of January, in Posillipo, sunrise is at 07:14 and sunset at 17:18 CET.
Sunshine
With an average of 5.6h of sunshine, January has the least sunshine of the year.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Posillipo. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 3 in January translates into this advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What time of the year is the coldest in Posillipo?
What are the temperatures in Posillipo in January?
What is the most humid month in Posillipo?
What is the average humidity in January in Posillipo?
How many days does it rain in January in Posillipo?
What is the snowiest month in Posillipo?
When does it start to snow in Posillipo?
What is the average length of the day in January in Posillipo?
What time are sunrise and sunset in January in Posillipo?
What is the month with the least sunshine in Posillipo?
How long on average sun shines in January in Posillipo?
What are the months with the lowest UV index in Posillipo?
What is the UV index intensity in January in Posillipo?
Average temperature in January
Posillipo, Italy
- Average high temperature in January: 12.3°C
The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (12.3°C).
- Average low temperature in January: 8°C
The month with the highest average low temperature is August (22.8°C).
The coldest months (with the lowest average low temperature) are January and February (8°C).
Average pressure in January
Posillipo, Italy
- Average pressure in January: 1016.2mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is April (1014mbar).
Average wind speed in January
Posillipo, Italy
- Average wind speed in January: 13.5km/h
The windiest month (with the highest average wind speed) is February (14.2km/h).
The calmest month (with the lowest average wind speed) is August (9km/h).
Average humidity in January
Posillipo, Italy
- Average humidity in January: 73%
The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is August (61%).
Average rainfall in January
Posillipo, Italy
- Average rainfall in January: 54mm
The wettest month (with the highest rainfall) is November (115mm).
The driest month (with the least rainfall) is August (9mm).
Average rainfall days in January
Posillipo, Italy
- Average rainfall days in January: 13.6 days
The month with the highest number of rainy days is November (14.9 days).
The month with the least rainy days is August (4.9 days).
Average snowfall in January
Posillipo, Italy
- Average snowfall in January: 2mm
The months with the highest snowfall are January and February (2mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in January
Posillipo, Italy
- Average snowfall days in January: 0.3 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Posillipo, 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 month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in January
Posillipo, Italy
- Average sunshine days in January: 15 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is February (13.8 days).
Average UV index in January
Posillipo, 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
Posillipo, 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 9).
Average visibility in January
Posillipo, 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).
Posillipo, Italy
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