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
April brings a slight increase in the average high-temperature, progressing from a cool 11.9°C (53.4°F) in March to a refreshing 15.8°C (60.4°F). During April, Isernia's temperature averages to a cold 5.3°C (41.5°F) at night.Humidity
The average relative humidity in April in Isernia, Italy, is 78%.Rainfall
In Isernia, Italy, in April, during 19.5 rainfall days, 71mm (2.8") of precipitation is typically accumulated. In Isernia, during the entire year, the rain falls for 186.2 days and collects up to 769mm (30.28") of precipitation.Snowfall
January through April, November and December are months with snowfall in Isernia. April is the last month it regularly snows in Isernia. During 0.2 snowfall days, in April, Isernia aggregates 4mm (0.16") of snow. In Isernia, Italy, during the entire year, snow falls for 9.1 days and aggregates up to 149mm (5.87") of snow.Daylight
In Isernia, Italy, the average length of the day in April is 13h and 21min.On the first day of April in Isernia, Italy, sunrise is at 06:45 and sunset at 19:28. On the last day of the month, sunrise is at 06:00 and sunset at 20:00 CEST.
Sunshine
The average sunshine in April in Isernia is 9.5h.UV index
In Isernia, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 in April translates into these instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Isernia?
What is the average humidity in April in Isernia?
How much does it rain in Isernia in April?
What is the last month it snows in Isernia?
How many hours of daylight does Isernia have in April?
What time are sunrise and sunset in April in Isernia?
How many hours of sunshine does Isernia have in April?
How high is the UV index in April in Isernia?
Average temperature in April
Isernia, Italy
- Average high temperature in April: 15.8°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (7.4°C).
- Average low temperature in April: 5.3°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in April
Isernia, Italy
- Average pressure in April: 1013.9mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in April
Isernia, Italy
- Average wind speed in April: 8.3km/h
The windiest month (with the highest average wind speed) is February (10.2km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in April
Isernia, Italy
- Average humidity in April: 78%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (62%).
Average rainfall in April
Isernia, Italy
- Average rainfall in April: 71mm
The wettest month (with the highest rainfall) is November (103mm).
The driest month (with the least rainfall) is August (33mm).
Average rainfall days in April
Isernia, Italy
- Average rainfall days in April: 19.5 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is August (11.5 days).
Average snowfall in April
Isernia, Italy
- Average snowfall in April: 4mm
The month with the highest snowfall is February (68mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in April
Isernia, Italy
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Isernia, Italy
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 9h and 3min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in April
Isernia, Italy
- Average sunshine days in April: 8.5 days
The month with the most sunshine days is August (16.8 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in April
Isernia, Italy
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in April
Isernia, Italy
- Average cloud cover in April: 38
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in April
Isernia, Italy
- Average visibility in April: 9km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February and November (8km).
