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 is the month when Isernia experiences its coldest temperatures, averaging a high of 7.4°C (45.3°F) and a low of 0.3°C (32.5°F).Humidity
January is the most humid month, with an average relative humidity of 85%.Rainfall
In January, the rain falls for 16.5 days. Throughout January, 58mm (2.28") of precipitation is accumulated. Throughout the year, there are 186.2 rainfall days, and 769mm (30.28") of precipitation is accumulated.Snowfall
Months with snowfall in Isernia are January through April, November and December. In Isernia, during January, snow falls for 2.5 days and regularly aggregates up to 50mm (1.97") of snow. In Isernia, during the entire year, snow falls for 9.1 days and aggregates up to 149mm (5.87") of snow.Daylight
In Isernia, the average length of the day in January is 9h and 34min.On the first day of January, sunrise is at 07:29 and sunset at 16:43. On the last day of the month, sunrise is at 07:16 and sunset at 17:16 CET.
Sunshine
With an average of 5.3h of sunshine, January has the least sunshine of the year in Isernia.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 2 during January translates into the following guidance:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Isernia?
What is the average January temperature in Isernia?
What is the most humid month in Isernia?
What is the average humidity in January in Isernia?
How many days does it rain in January in Isernia?
How much does it snow in Isernia in January?
How many hours of daylight does Isernia have in January?
When are sunrise and sunset in January in Isernia?
What is the month with the least sunshine in Isernia?
How long on average sun shines in January in Isernia?
When is the lowest UV index in Isernia?
What is the UV index reading in January in Isernia?
Average temperature in January
Isernia, Italy
- Average high temperature in January: 7.4°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (7.4°C).
- Average low temperature in January: 0.3°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in January
Isernia, 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 (1013.8mbar).
Average wind speed in January
Isernia, Italy
- Average wind speed in January: 9.4km/h
The windiest month (with the highest average wind speed) is February (10.2km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in January
Isernia, Italy
- Average humidity in January: 85%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (62%).
Average rainfall in January
Isernia, Italy
- Average rainfall in January: 58mm
The wettest month (with the highest rainfall) is November (103mm).
The driest month (with the least rainfall) is August (33mm).
Average rainfall days in January
Isernia, Italy
- Average rainfall days in January: 16.5 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is August (11.5 days).
Average snowfall in January
Isernia, Italy
- Average snowfall in January: 50mm
The month with the highest snowfall is February (68mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in January
Isernia, Italy
- Average snowfall days in January: 2.5 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Isernia, 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 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in January
Isernia, Italy
- Average sunshine days in January: 10.2 days
The month with the most sunshine days is August (16.8 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in January
Isernia, Italy
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Isernia, Italy
- Average cloud cover in January: 46
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in January
Isernia, Italy
- Average visibility in January: 8km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February and November (8km).
