Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
April
Weather in April
Temperature
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). April witnesses an average nighttime temperature of 8.7°C (47.7°F) in Castellanza.Humidity
The months with the lowest humidity are April, July and August, with an average relative humidity of 70%.Rainfall
In Castellanza, in April, during 17.8 rainfall days, 111mm (4.37") of precipitation is typically accumulated. In Castellanza, Italy, during the entire year, the rain falls for 178.4 days and collects up to 1147mm (45.16") of precipitation.Snowfall
In Castellanza, snow does not fall in April through October.Daylight
In April, the average length of the day is 13h and 33min.On the first day of April in Castellanza, sunrise is at 07:03 and sunset at 19:52. On the last day of the month, sunrise is at 06:12 and sunset at 20:30 CEST.
Sunshine
In Castellanza, the average sunshine in April is 9.4h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 4 in April translates into this advice:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Castellanza in April?
What are the least humid months in Castellanza?
What is the average humidity in April in Castellanza?
How much does it rain in Castellanza in April?
When it does not snow in Castellanza?
Does it snow in Castellanza in April?
What is the average length of the day in April in Castellanza?
When is the sunrise / sunset in April in Castellanza?
How many hours of sunshine does Castellanza have in April?
What is the UV index intensity in April in Castellanza?
Average temperature in April
Castellanza, Italy
- Average high temperature in April: 17.5°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 April: 8.7°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 April
Castellanza, Italy
- Average pressure in April: 1014.7mbar
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 April
Castellanza, Italy
- Average wind speed in April: 6.7km/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 April
Castellanza, Italy
- Average humidity in April: 70%
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 April
Castellanza, Italy
- Average rainfall in April: 111mm
The wettest month (with the highest rainfall) is November (172mm).
The driest month (with the least rainfall) is January (33mm).
Average rainfall days in April
Castellanza, Italy
- Average rainfall days in April: 17.8 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 April
Castellanza, Italy
- Average snowfall in April: 0mm
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 April
Castellanza, Italy
- Average snowfall days in April: 0 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 April /
Average sunshine in April
Castellanza, Italy
- Average daylight in April: 13h and 3min
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 April: 9h and 2min
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 April
Castellanza, Italy
- Average sunshine days in April: 9.7 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 April
Castellanza, Italy
- Average UV index in April: 4
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 April
Castellanza, Italy
- Average cloud cover in April: 36
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 April
Castellanza, Italy
- Average visibility in April: 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).
