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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, in Castellanza, Italy, is an icy winter month, with an average temperature fluctuating between 0.6°C (33.1°F) and 5.6°C (42.1°F). 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). Weather in January »
Weather in February
February, the last month of the winter in Castellanza, is a chilly month, with temperature in the range of an average low of 1.6°C (34.9°F) and an average high of 7.8°C (46°F). The average high-temperature during February registers at a chilly 7.8°C (46°F), closely corresponding to the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Castellanza, is a fresh month, with temperature in the range of an average low of 5.1°C (41.2°F) and an average high of 12.6°C (54.7°F). March showcases a minor temperature ascent, adjusting from February's frosty 7.8°C (46°F) to a cool 12.6°C (54.7°F). Weather in March »
Weather in April
April in Castellanza, Italy, is a refreshing spring month, with temperature in the range of an average low of 8.7°C (47.7°F) and an average high of 17.5°C (63.5°F). The start of April signals a slight increase in the average high-temperature, moving from a cool 12.6°C (54.7°F) in March to a refreshing 17.5°C (63.5°F). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Castellanza, Italy, with an average temperature varying between 21.2°C (70.2°F) and 11.4°C (52.5°F). May introduces a marginal temperature uplift, with average high-temperatures adjusting from April's comfortable 17.5°C (63.5°F) to a pleasant 21.2°C (70.2°F). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Castellanza, Italy, with an average temperature varying between 15.4°C (59.7°F) and 25.3°C (77.5°F). The onset of June introduces a subtle rise in the average high-temperature, nudging from an agreeable 21.2°C (70.2°F) in May to a warm 25.3°C (77.5°F). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Castellanza, Italy, with temperature in the range of an average low of 17.2°C (63°F) and an average high of 27.9°C (82.2°F). July is the month that records the highest temperatures, with averages ranging from a high of 27.9°C (82.2°F) to a low of 17.2°C (63°F). During July, the heat index is calculated to be a tropical 30°C (86°F). Weather in July »
Weather in August
August, the last month of the summer in Castellanza, is also a moderately hot month, with temperature in the range of an average high of 27.7°C (81.9°F) and an average low of 17.7°C (63.9°F). Castellanza marks the onset of August with an average high-temperature of a still warm 27.7°C (81.9°F), subtly divergent from July's 27.9°C (82.2°F). Weather in August »
Weather in September
September, the first month of the autumn in Castellanza, is still a pleasant month, with an average temperature varying between 22.8°C (73°F) and 13.6°C (56.5°F). In Castellanza, entering September brings a subtle temperature decrement, reducing from August's moderately hot 27.7°C (81.9°F) to an agreeable 22.8°C (73°F). Weather in September »
Weather in October
October, like September, in Castellanza, Italy, is another comfortable autumn month, with an average temperature ranging between max 17°C (62.6°F) and min 10.4°C (50.7°F). October brings a decrease in the average high-temperature, falling from September's agreeable 22.8°C (73°F) to a comfortable 17°C (62.6°F). Weather in October »
Weather in November
November, the last month of the autumn in Castellanza, is another cool month, with an average temperature fluctuating between 5.7°C (42.3°F) and 10.7°C (51.3°F). In November, the average high-temperature goes from a refreshing 17°C (62.6°F) in October to a cool 10.7°C (51.3°F). Weather in November »
Weather in December
December, the first month of the winter in Castellanza, is still a chilly month, with an average temperature varying between 6.6°C (43.9°F) and 1.3°C (34.3°F). During the shift to December, a minor reduction in average high-temperature is observed, shifting from a fresh 10.7°C (51.3°F) in November to a chilly 6.6°C (43.9°F). Weather in December »
Updated: Jan 29, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Castellanza?
January brings the lowest temperatures, with an average high of 5.6°C (42.1°F) and an average low of 0.6°C (33.1°F).
What is the driest month in Castellanza?
January is the month with the least rainfall in Castellanza, Italy. Rain falls for 8.7 days and accumulates 33mm (1.3") of precipitation.
How much does it rain in Castellanza?
In Castellanza, Italy, during the entire year, the rain falls for 178.4 days and collects up to 1147mm (45.16") of precipitation.
When does it snow in Castellanza?
Months with snowfall are January through March, November and December.
How much does it snow in Castellanza?
Throughout the year, there are 9.2 snowfall days, and 147mm (5.79") of snow is accumulated.
When is the lowest UV index in Castellanza?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Castellanza, Italy.
When does it snow the most in Castellanza?
The month with the most snowfall in Castellanza is February, when snow falls for 2.1 days and typically aggregates up to 48mm (1.89") of snow.
What are the least humid months in Castellanza?
The months with the lowest humidity are April, July and August, with an average relative humidity of 70%.
When it does not snow in Castellanza?
In Castellanza, snow does not fall in April through October.
When are the longest days in Castellanza?
The month with the longest days is June, with an average of 15h and 36min of daylight.
When is the highest UV index in Castellanza?
June and July, with an average maximum UV index of 6, are months with the highest UV index in Castellanza, Italy.
What month is the hottest in Castellanza?
Castellanza experiences its average highest temperatures in July, reaching a peak of 27.9°C (82.2°F) and a minimum of 17.2°C (63°F).
What month has the most sunshine in Castellanza?
July has the most sunshine of the year in Castellanza, with an average of 11.6h of sunshine.
When is Daylight Saving Time (DST) in Castellanza?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
What is the most humid month in Castellanza?
With an average relative humidity of 79%, November is the most humid month.
What is the wettest month in Castellanza?
The month with the most rainfall in Castellanza is November, when the rain falls for 15.2 days and typically aggregates up to 172mm (6.77") of precipitation.
What is the month with the least sunshine in Castellanza?
November has the least sunshine of the year, with an average of 5.1h of sunshine.
What is the month with the shortest days in Castellanza?
December has the shortest days of the year, with an average of 8h and 48min of daylight.
Average temperature
Castellanza, Italy
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).
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
Castellanza, Italy
- Average pressure in January:
1018.3mbar - Average pressure in February:
1016.3mbar - Average pressure in March:
1015.9mbar - Average pressure in April:
1014.7mbar - Average pressure in May:
1014.8mbar - Average pressure in June:
1015.2mbar
- Average pressure in July:
1015.6mbar - Average pressure in August:
1016.7mbar - Average pressure in September:
1017.3mbar - Average pressure in October:
1017.9mbar - Average pressure in November:
1015.5mbar - Average pressure in December:
1020.2mbar
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
Castellanza, Italy
- Average wind speed in January:
5.5km/h - Average wind speed in February:
6.1km/h - Average wind speed in March:
6.8km/h - Average wind speed in April:
6.7km/h - Average wind speed in May:
6.5km/h - Average wind speed in June:
6km/h
- Average wind speed in July:
5.8km/h - Average wind speed in August:
5.6km/h - Average wind speed in September:
5.7km/h - Average wind speed in October:
5.7km/h - Average wind speed in November:
5.5km/h - Average wind speed in December:
5.4km/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
Castellanza, Italy
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
Castellanza, Italy
- Average rainfall in January:
33mm - Average rainfall in February:
52mm - Average rainfall in March:
69mm - Average rainfall in April:
111mm - Average rainfall in May:
133mm - Average rainfall in June:
125mm
The wettest month (with the highest rainfall) is November (172mm).
The driest month (with the least rainfall) is January (33mm).
Average rainfall days
Castellanza, Italy
- Average rainfall days in January:
8.7 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
13.4 days - Average rainfall days in April:
17.8 days - Average rainfall days in May:
20.3 days - Average rainfall days in June:
19.8 days
- Average rainfall days in July:
18.1 days - Average rainfall days in August:
17.4 days - Average rainfall days in September:
14.8 days - Average rainfall days in October:
13.2 days - Average rainfall days in November:
15.2 days - Average rainfall days in December:
8.9 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
Castellanza, Italy
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
Castellanza, Italy
- Average snowfall days in January:
3 days - Average snowfall days in February:
2.1 days - Average snowfall days in March:
1.2 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.4 days - Average snowfall days in December:
2.5 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 / Average sunshine
Castellanza, Italy
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 3min - Average daylight in December:
8h and 5min
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 - Average sunshine in February:
6h and 1min - Average sunshine in March:
7h and 4min - Average sunshine in April:
9h and 2min - Average sunshine in May:
10h and 1min - Average sunshine in June:
11h and 1min
- Average sunshine in July:
11h and 4min - Average sunshine in August:
11h and 1min - Average sunshine in September:
9h and 4min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 1min - Average sunshine in December:
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
Castellanza, Italy
- Average sunshine days in January:
19.4 days - Average sunshine days in February:
15.1 days - Average sunshine days in March:
15.4 days - Average sunshine days in April:
9.7 days - Average sunshine days in May:
7.1 days - Average sunshine days in June:
5.9 days
- Average sunshine days in July:
9.6 days - Average sunshine days in August:
11.3 days - Average sunshine days in September:
13.4 days - Average sunshine days in October:
16.2 days - Average sunshine days in November:
13.4 days - Average sunshine days in December:
19.5 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
Castellanza, Italy
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
Castellanza, Italy
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
Castellanza, Italy
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).
