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
Temperature records mark January as the coldest month, with highs averaging 5.6°C (42.1°F) and lows at 0.6°C (33.1°F).Humidity
The average relative humidity in January in Castellanza is 74%.Rainfall
January is the month with the least rainfall. Rain falls for 8.7 days and accumulates 33mm (1.3") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Castellanza, in January, snow falls for 3 days, with typically accumulated 36mm (1.42") of snow. In Castellanza, during the entire year, snow falls for 9.2 days and aggregates up to 147mm (5.79") of snow.Daylight
The average length of the day in January is 9h and 10min.On the first day of January, sunrise is at 08:04 and sunset at 16:50. On the last day of the month, sunrise is at 07:47 and sunset at 17:28 CET.
Sunshine
In Castellanza, the average sunshine in January is 6.1h.UV index
The months with the lowest UV index in Castellanza are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 2 transforms into these recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Castellanza?
How cold does it get in Castellanza in January?
What is the average humidity in January in Castellanza?
What is the driest month in Castellanza?
How many days does it rain in January in Castellanza?
How much does it snow in Castellanza in January?
What is the average length of the day in January in Castellanza?
What time are sunrise and sunset in January in Castellanza?
How long on average sun shines in January in Castellanza?
When is the lowest UV index in Castellanza?
What is the UV index intensity in January in Castellanza?
Average temperature in January
Castellanza, Italy
- Average high temperature in January: 5.6°C
The warmest month (with the highest average high temperature) is July (27.9°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in January: 0.6°C
The month with the highest average low temperature is August (17.7°C).
The coldest month (with the lowest average low temperature) is January (0.6°C).
Average pressure in January
Castellanza, Italy
- Average pressure in January: 1018.3mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is April (1014.7mbar).
Average wind speed in January
Castellanza, Italy
- Average wind speed in January: 5.5km/h
The windiest month (with the highest average wind speed) is March (6.8km/h).
The calmest month (with the lowest average wind speed) is December (5.4km/h).
Average humidity in January
Castellanza, Italy
- Average humidity in January: 74%
The month with the highest relative humidity is November (79%).
The months with the lowest relative humidity are April, July and August (70%).
Average rainfall in January
Castellanza, Italy
- Average rainfall in January: 33mm
The wettest month (with the highest rainfall) is November (172mm).
The driest month (with the least rainfall) is January (33mm).
Average rainfall days in January
Castellanza, Italy
- Average rainfall days in January: 8.7 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in January
Castellanza, Italy
- Average snowfall in January: 36mm
The month with the highest snowfall is February (48mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Castellanza, Italy
- Average snowfall days in January: 3 days
The month with the highest number of snowfall days is January (3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Castellanza, Italy
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January: 6h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is November (Average sunshine: 5h and 6min).
Average sunshine days in January
Castellanza, Italy
- Average sunshine days in January: 19.4 days
The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is June (5.9 days).
Average UV index in January
Castellanza, Italy
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Castellanza, Italy
- Average cloud cover in January: 32
The month with the most cloud cover is November (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 22).
Average visibility in January
Castellanza, 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).
