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
With average high temperatures of 3.6°C (38.5°F) and lows of -2.3°C (27.9°F), January is the coldest month.Humidity
The average relative humidity in January is 74%.Rainfall
January is the month with the least rainfall. Rain falls for 9.7 days and accumulates 38mm (1.5") of precipitation.Snowfall
January through March, September, November and December are months with snowfall. In Erba, Italy, during January, snow falls for 2.8 days and regularly aggregates up to 29mm (1.14") of snow. Throughout the year, in Erba, there are 10.2 snowfall days, and 132mm (5.2") of snow is accumulated.Daylight
The average length of the day in January is 9h and 9min.On the first day of January in Erba, sunrise is at 08:04 and sunset at 16:48. On the last day of the month, sunrise is at 07:46 and sunset at 17:26 CET.
Sunshine
In Erba, Italy, the average sunshine in January is 6.3h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 2 in January interprets into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What is the coldest time of year in Erba?
Is January cold in Erba?
What is the average humidity in January in Erba?
What is the driest month in Erba?
How much does it rain in Erba in January?
How much does it snow in Erba in January?
How many hours of daylight does Erba have in January?
What time are sunrise and sunset in January in Erba?
How many hours of sunshine does Erba have in January?
What is the month with the lowest UV index in Erba?
What is the UV index intensity in January in Erba?
Average temperature in January
Erba, Italy
- Average high temperature in January: 3.6°C
The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in January: -2.3°C
The months with the highest average low temperature are July and August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in January
Erba, Italy
- Average pressure in January: 1018.4mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The months with the lowest atmospheric pressure are April and May (1014.9mbar).
Average wind speed in January
Erba, Italy
- Average wind speed in January: 6.1km/h
The windiest months (with the highest average wind speed) are March and May (6.6km/h).
The calmest month (with the lowest average wind speed) is November (5.4km/h).
Average humidity in January
Erba, Italy
- Average humidity in January: 74%
The month with the highest relative humidity is November (81%).
The month with the lowest relative humidity is July (73%).
Average rainfall in January
Erba, Italy
- Average rainfall in January: 38mm
The wettest month (with the highest rainfall) is November (162mm).
The driest month (with the least rainfall) is January (38mm).
Average rainfall days in January
Erba, Italy
- Average rainfall days in January: 9.7 days
The month with the highest number of rainy days is May (23.2 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in January
Erba, Italy
- Average snowfall in January: 29mm
The month with the highest snowfall is December (36mm).
The months with the least snowfall are April, May, June, July, August and October (0mm).
Average snowfall days in January
Erba, Italy
- Average snowfall days in January: 2.8 days
The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in January /
Average sunshine in January
Erba, Italy
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January: 6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is November (Average sunshine: 5h and 18min).
Average sunshine days in January
Erba, Italy
- Average sunshine days in January: 18.3 days
The months with the most sunshine days are January and December (18.3 days).
The month with the least sunshine days is May (5.1 days).
Average UV index in January
Erba, Italy
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Erba, Italy
- Average cloud cover in January: 32
The month with the most cloud cover is November (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in January
Erba, Italy
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Erba, Italy
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