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
Weather in April
Temperature
The start of April brings a subtle rise in the average high-temperature, moving from a mild 15°C (59°F) in March to a comfortable 18.3°C (64.9°F). Formello reports an average nighttime low-temperature of 9.4°C (48.9°F) in April.Humidity
In April, the average relative humidity is 74%.Rainfall
In Formello, in April, during 10.5 rainfall days, 25mm (0.98") of precipitation is typically accumulated. In Formello, during the entire year, the rain falls for 116.5 days and collects up to 416mm (16.38") of precipitation.Snowfall
March through December are months without snowfall in Formello.Daylight
In Formello, the average length of the day in April is 13h and 23min.On the first day of the month, sunrise is at 06:51 and sunset at 19:36. On the last day of April, sunrise is at 06:06 and sunset at 20:08 CEST.
Sunshine
The average sunshine in April in Formello, Italy, is 10.5h.UV index
In April, the average daily maximum UV index in Formello, Italy, is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 4 in April transforms into this advice:
Be vigilant - Suggestions to stave off sun damage are provided. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Formello in April?
What is the average humidity in April in Formello?
How much does it rain in Formello in April?
When it does not snow in Formello?
What is the average length of the day in April in Formello?
When are sunrise and sunset in April in Formello?
How many hours of sunshine does Formello have in April?
What is the UV index reading in April in Formello?
Average temperature in April
Formello, Italy
- Average high temperature in April: 18.3°C
The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is January (11.3°C).
- Average low temperature in April: 9.4°C
The month with the highest average low temperature is August (20.7°C).
The coldest months (with the lowest average low temperature) are January and February (5.3°C).
Average pressure in April
Formello, Italy
- Average pressure in April: 1014mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is April (1014mbar).
Average wind speed in April
Formello, Italy
- Average wind speed in April: 10.8km/h
The windiest month (with the highest average wind speed) is February (14.3km/h).
The calmest month (with the lowest average wind speed) is July (9.4km/h).
Average humidity in April
Formello, Italy
- Average humidity in April: 74%
The months with the highest relative humidity are January and November (77%).
The month with the lowest relative humidity is August (58%).
Average rainfall in April
Formello, Italy
- Average rainfall in April: 25mm
The wettest month (with the highest rainfall) is November (75mm).
The driest month (with the least rainfall) is August (8mm).
Average rainfall days in April
Formello, Italy
- Average rainfall days in April: 10.5 days
The month with the highest number of rainy days is November (13.5 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in April
Formello, Italy
- Average snowfall in April: 0mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in April
Formello, Italy
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
Formello, Italy
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 10h and 3min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in April
Formello, Italy
- Average sunshine days in April: 17.6 days
The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is November (14.4 days).
Average UV index in April
Formello, Italy
- Average UV index in April: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in April
Formello, Italy
- Average cloud cover in April: 27
The month with the most cloud cover is January (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in April
Formello, Italy
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Formello, Italy
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