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
January
Weather in January
Temperature
Nettuno notes the coldest temperatures in January, with a high average of 12.3°C (54.1°F) and a low of 8.3°C (46.9°F).Humidity
January, March, April and November, with an average relative humidity of 74%, are the most humid months in Nettuno.Rainfall
In Nettuno, during January, the rain falls for 13.8 days and regularly aggregates up to 61mm (2.4") of precipitation. Throughout the year, there are 145.7 rainfall days, and 681mm (26.81") of precipitation is accumulated.Sea temperature
In Nettuno, the average seawater temperature in January is 14.8°C (58.6°F).Note: Being in 14.8°C (58.6°F) waters at 13°C (55.4°F) is discomforting, but anything below 10°C (50°F) can jeopardize breathing and induce cold shock, factoring in physical endurance.
Daylight
In Nettuno, the average length of the day in January is 9h and 35min.On the first day of January, sunrise is at 07:35 and sunset at 16:49. On the last day of the month, sunrise is at 07:22 and sunset at 17:23 CET.
Sunshine
With an average of 5.6h of sunshine, January has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 in January interprets into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Nettuno?
What are January temperatures in Nettuno?
What are the most humid months in Nettuno?
What is the average humidity in January in Nettuno?
How much does it rain in Nettuno in January?
How cold is the water in January in Nettuno?
What is the average length of the day in January in Nettuno?
When is the sunrise / sunset in January in Nettuno?
What is the month with the least sunshine in Nettuno?
How long on average sun shines in January in Nettuno?
What are the months with the lowest UV index in Nettuno?
How high is the UV index in January in Nettuno?
Average temperature in January
Nettuno, Italy
- Average high temperature in January: 12.3°C
The warmest month (with the highest average high temperature) is August (28.9°C).
The month with the lowest average high temperature is January (12.3°C).
- Average low temperature in January: 8.3°C
The month with the highest average low temperature is August (22.5°C).
The coldest month (with the lowest average low temperature) is February (8.1°C).
Average pressure in January
Nettuno, 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 (1014.1mbar).
Average wind speed in January
Nettuno, Italy
- Average wind speed in January: 14.7km/h
The windiest month (with the highest average wind speed) is February (15.6km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in January
Nettuno, Italy
- Average humidity in January: 74%
The months with the highest relative humidity are January, March, April and November (74%).
The month with the lowest relative humidity is August (65%).
Average rainfall in January
Nettuno, Italy
- Average rainfall in January: 61mm
The wettest month (with the highest rainfall) is November (142mm).
The driest month (with the least rainfall) is August (14mm).
Average rainfall days in January
Nettuno, Italy
- Average rainfall days in January: 13.8 days
The month with the highest number of rainy days is November (16.6 days).
The month with the least rainy days is August (5.1 days).
Average sea temperature in January
Nettuno, Italy
- Average sea temperature in January: 14.8°C
The best month for swimming (with the highest average sea temperature) is August (25.1°C).
The coldest month (with the lowest average sea temperature) is February (14.1°C).
Average daylight in January /
Average sunshine in January
Nettuno, 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 12min).
- Average sunshine in January: 5h and 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in January
Nettuno, Italy
- Average sunshine days in January: 15.3 days
The month with the most sunshine days is August (23.8 days).
The month with the least sunshine days is November (11.6 days).
Average UV index in January
Nettuno, Italy
- Average UV index in January: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in January
Nettuno, Italy
- Average cloud cover in January: 39
The month with the most cloud cover is January (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in January
Nettuno, 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).
